CN1013085B - Components of welding electrode - Google Patents
Components of welding electrodeInfo
- Publication number
- CN1013085B CN1013085B CN 87103887 CN87103887A CN1013085B CN 1013085 B CN1013085 B CN 1013085B CN 87103887 CN87103887 CN 87103887 CN 87103887 A CN87103887 A CN 87103887A CN 1013085 B CN1013085 B CN 1013085B
- Authority
- CN
- China
- Prior art keywords
- welding
- weld
- metal
- wire
- component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000003466 welding Methods 0.000 title abstract description 125
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 23
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 23
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 44
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 38
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 26
- 229910052799 carbon Inorganic materials 0.000 claims description 26
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 25
- 229910052802 copper Inorganic materials 0.000 claims description 25
- 239000010949 copper Substances 0.000 claims description 25
- 239000004411 aluminium Substances 0.000 claims description 23
- 229910052782 aluminium Inorganic materials 0.000 claims description 23
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 23
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 22
- 229910052791 calcium Inorganic materials 0.000 claims description 22
- 239000011575 calcium Substances 0.000 claims description 22
- 229910052759 nickel Inorganic materials 0.000 claims description 22
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 20
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 20
- 229910052804 chromium Inorganic materials 0.000 claims description 20
- 239000011651 chromium Substances 0.000 claims description 20
- 229910052710 silicon Inorganic materials 0.000 claims description 20
- 239000010703 silicon Substances 0.000 claims description 20
- 229910052742 iron Inorganic materials 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 17
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 16
- 229910052748 manganese Inorganic materials 0.000 claims description 16
- 239000011572 manganese Substances 0.000 claims description 16
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 13
- 239000010936 titanium Substances 0.000 claims description 13
- 229910052719 titanium Inorganic materials 0.000 claims description 13
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 description 49
- 239000002184 metal Substances 0.000 description 49
- 238000000034 method Methods 0.000 description 22
- 230000002950 deficient Effects 0.000 description 14
- 230000007704 transition Effects 0.000 description 13
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 12
- 238000004021 metal welding Methods 0.000 description 12
- 238000013102 re-test Methods 0.000 description 11
- 239000004615 ingredient Substances 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 description 6
- 239000001569 carbon dioxide Substances 0.000 description 6
- 208000037656 Respiratory Sounds Diseases 0.000 description 5
- 238000010891 electric arc Methods 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- 229910000851 Alloy steel Inorganic materials 0.000 description 4
- 229910000975 Carbon steel Inorganic materials 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 3
- 239000010962 carbon steel Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910052755 nonmetal Inorganic materials 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- 238000003490 calendering Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- WWNBZGLDODTKEM-UHFFFAOYSA-N sulfanylidenenickel Chemical compound [Ni]=S WWNBZGLDODTKEM-UHFFFAOYSA-N 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Nonmetallic Welding Materials (AREA)
- Arc Welding In General (AREA)
Abstract
The present invention relates to the components of a welding rod which comprises 0.03 to 0.25 wt % of C, 0.8 to 2.2 wt % of Mn, 0.7 to 2.2 wt % of Si, 0.005 to 0.2 wt % of Al, 0.01 to 0.25 wt % of Cr, 0.01 to 0.25 wt % of Cu, 0.01 to 0.25 wt % of Ni, 0.001 to 0.02 wt % of Ca, 0.01 to 0.1 wt % of rare-earth metal and Fe as the rest.
Description
The present invention relates to iron and steel industry field, particularly component of weld wire.
Described welding wire is widely used in making the important weld metal structure and the part of multi-purpose carbon steel and low alloy steel.
As everyone knows, the main application form of welding wire is the active strand or the powdery strand in real core cross section, and its core is made up of alloying component and other mixture of ingredients.
The weld seam of finishing with these welding wires there is series of requirements.These weld seams should have closely knit macrostructure, flawless, pore, undercut, accumulation and other defective.Also require the mechanical performance of weld seam,, be not less than the basic index of Welding Structure major metal as ultimate strength, yield limit, impact flexibility etc.
When metal structure of welding carbon steel and low alloy steel with welding rod and part, splashing of more serious molten metal taken place.The degree of splashing and the mechanical performance of weld seam depend on the composition of welding wire to a great extent.
The composition (Soviet Union's certificate of invention 664797) (quality %) composed of the following components of known solid core cross section welding wire:
Carbon 0.03～0.25
Manganese 0.8～2.2
Silicon 0.7～2.2
Chromium 0.03～1.0
Nickel 0.03～0.45
Zirconium 0.05～0.3
Calcium 0.001～0.02
Copper 0.05～0.6
Aluminium 0.01～0.5
Iron surplus
This composition of welding wire can be realized the welding of carbon steel and low alloy steel and guarantee to improve the antirust stability and the cold conditions stability of weld seam.
But when utilizing above-mentioned welding wire, produce more serious the splashing of molten metal.Splash on goods and the nozzle of the welding gun of making dirty.Thereby it causes heavy remove the operation of splash and dwindling the protection of pass through cross section destruction electric arc of air nozzle from metal structure.
Also known another kind of component of weld wire, it (quality %) composed of the following components: (SU-988502)
Carbon 0.05～0.09
Silicon 0.6～1.0
Chromium 3.2～3.6
Manganese 0.6～2.4
Nickel 1.0～4.0
Molybdenum 0.2～0.4
Aluminium 0.03～0.08
Calcium 0.01～0.03
Rare earth metal 0.01～0.03
Titanium 0.02～0.04
Copper 0.02～0.5
Iron all the other
But this welding wire is mainly used in big thickness martensite low-alloy steel welding point, is intended to improve its intensity and plasticity, simultaneously also for anti-cold-crack stability and anticorrosive stability, does not wherein consider other factors, as mechanical index or splash etc.
In addition, owing in welding process, separate out quality more than 0.6%() the copper of ε-phase weldquality is worsened, cause cracking.Adopt this welding wire also to be accompanied by a large amount of losses that metal splashes.Above-mentioned component of weld wire has narrow range of application.It can only weld the metal structure of being made by stainless steel and steel alloy.
Must dispose the splash on the weldbonding on the metal structure when adopting the welding wire of principal component.This moment, the spatter loss of welding wire metal reached 12%, and the amount of labour of the splash on the removing goods is 30～35% of the welding job amount of labour.
Use the mechanical performance of the resulting weld seam of known composition welding wire can not satisfy impact flexibility under institute of the institute requirement, particularly zubzero temperature.The macrostructure of gained weld seam is not got rid of the existence of solidification cracking and other defective.
Basic task of the present invention is to set up a kind of component of weld wire, and it can guarantee that the gained weld seam has sufficiently high mechanical index, simultaneously in welding process metal splash minimum.
The solution of this task has been to propose such component of weld wire, and it contains carbon, manganese, and silicon, aluminium, chromium, copper, nickel, calcium, rare earth metal and iron, according to the present invention, it has following component (quality %):
Carbon 0.03～0.25
Manganese 0.8～2.2
Silicon 0.7～2.2
Aluminium 0.005～0.2
Chromium 0.01～0.25
Copper 0.01～0.25
Nickel 0.01～0.25
Calcium 0.001～0.02
Rare earth metal 0.01～0.1
Iron surplus
In component of weld wire, contain 0.03～0.25%(quality) carbon and the amount with selected manganese, silicon and chromium of joining guaranteed the necessary intensity of weld metal.In component of weld wire, be incorporated in the 0.03%(quality) the carbon weld seam that can not obtain having desired strength character because can not guarantee necessary carbon content is arranged in weld metal.Carbon content surpasses the 0.25%(quality) also be inappropriate, because can in weld seam, form thermal crack(ing.
In component of weld wire, there are manganese, silicon and the chromium of above-mentioned quantity, promptly should be 0.8～2.2 mutually; 0.7～2.2 and 0.01～0.25%(quality), can guarantee that weld seam has closely knit macrostructure and do not have crackle, pore, undercut, accumulation and other defective.The content of these elements in component of weld wire is lower than down can not guarantee that in limited time weld seam has closely knit macrostructure.The content of above-mentioned element is increased to above last and causes the embrittlement of weld metal in limited time and its chemical inhomogeneities occurs.
Selected copper amount (0.01～0.25%(quality) in component of weld wire) advantageously influences the antirust stability of weld metal.Copper content is increased to the quality that surpasses last butt welding bar in limited time and weld seam adverse effect.In component of weld wire copper content be lower than down in limited time can not butt welded seam antirust stability exert one's influence.
Content 0.005～0.2%(quality of aluminium in the composition of being carried) can guarantee weld metal deoxidation and obtain its micrograined texture on request.Aluminium content surpasses the 0.2%(quality) time, its calendering plasticity reduces.Aluminium content is lower than the above-mentioned micronize that is not enough to make weld metal deoxidation and structure down in limited time.
In component of weld wire, has the impact flexibility that nickel in the above-mentioned scope advantageously influences weld metal.When the content of nickel is lower than the 0.01%(quality) time, the influence of its impact toughness just can not shown.In component of weld wire, add more than the 0.25%(quality) nickel cause in weld metal, forming its meltable sulfide, it distributes along weld line and granule boundary.When weld seam solidified, the liquid level of nickel sulfide lyotrope caused producing the crystal crackle under the condition of the welding stress that has tensioning.
In component of weld wire, add following ranges, i.e. 0.001～0.02%(quality) calcium shape and the character that changes nonmetal impurities is applied favorable influence.The content of calcium is lower than the 0.001%(quality) time can not exert one's influence to changing the nonmetal impurities attitude.The concentration of calcium brought up to exceed the above-mentioned upper limit be irrational economically, also be difficult to actually realize.
In component of weld wire, add aluminium and calcium simultaneously and can access the most favourable form one pelletiod of nonmetallic foreign material.In addition, in component of weld wire, there is nickel and also impel and obtain high impact flexibility index.This is because the micronize of weld seam microstructure and the change of nonmetal impurities form.
Contain 0.01～0.1%(quality) rare earth metal can reduce splashing of metal in the welding process, and improve the impact flexibility of weld metal under the zubzero temperature.Under being lower than, component of weld wire middle rare earth metal can not exert one's influence to splashing of metal in limited time.It is inappropriate adding the rare earth metal that surpasses the upper limit in mentioned component, because the level that metal splashes can not reduce, and the outward appearance of weld seam has worsened.
The rare earth metal that adds above-mentioned limit, other component in conjunction with giving determined number in the putting forward component of weld wire causes unexpected effect, and promptly the welding wire metal carefully drips (jet) transition and has improved the stability of arc burning in welding process.
Be recommended in the additional titanium that drops in the component of weld wire, its quantity is total 0.002～0.2%(quality of forming weight) percentage.
The additional titanium that adds above-mentioned quantity can guarantee the further deoxidation of welding pool in component of weld wire, the minimizing that electrode metal splashes when the microstructure of change metal welding seam and welding.The content of titanium surpasses the 0.2%(quality in component of weld wire) be inappropriate, because it has worsened calendering plasticity.When the content of titanium is less than the 0.002%(quality) time, can't see the refinement of weld metal microstructure.
At the content of component of weld wire middle rare earth metal in the 0.01%(quality) more than, titanium is no less than the 0.02%(quality), aluminium is in the 0.005%(quality) more than, these several combine and can obtain the high target of weld seam impact toughness.
Proposed component of weld wire guarantees stable electrogas arc welding process, and the degree of the splashing minimum of welding wire metal.
The splash coefficient low 4～10 times of coefficient ψ that splash when for example, using proposed component of weld wire than principal component.Welding process is characterised in that thin (jet) transition of welding wire metal.The electric arc uninterrupted length of arc burning stability in the decision welding process is higher 1.5～2 times than the electric arc uninterrupted length of principal component.
In addition, be characteristics with the resulting weld seam of proposed component of weld wire with closely knit macrostructure, there are not crackle, pore, undercut, accumulation and other defective.The Sha Er of band v-notch exceeds 10～30 joules (J) than the ballistic work (KV) of (Wapnu) welded specimen under 253 ° of K temperature.Use proposed component of weld wire also improve weld seam the strength characteristics index (Rm, Re).
Proposed component of weld wire can be used in shipbuilding, locomotive and compartment manufacturing, automobile making, crane manufacturing, and chemical machinery, petroleum machinery, agricultural machinery manufacturing, building industry and other need the department of metal to make important weld metal structure.The welding wire of the composition of advising can be used for replacing the welding wire in the real core of known standard cross section to weld (carbon dioxide, the mixture of active gases are the mixture of the gas of base with the argon) in the protective gas medium.
The welding wire of proposed composition is used for replacing the powdery welding rod in the time of can also welding in carbon dioxide.
Proposed component of weld wire is preferably used in automatically and the welding of mechanization.Their result of use is best during with robot welding.
The production method of component of weld wire does not require complicated, expensive equipment and uses rare and expensive material.
The method that obtains component of weld wire is simple at process aspect, and realizes in the following manner.
Composition can be in converter, obtains in electric furnace and the open hearth.For this reason will be the original component quantity on request steelmaking equipment of packing into, fusing is kept required time, is injected steel ladle and mold then.Metal is cast steel ingot, and rolls into wire rod.
The wire rod of producing diameter 5.5～6.5mm from the composition that obtains does not have technologic difficulty.The mechanical performance of wire rod is as follows: ultimate strength is not more than 740MPa, and compression deformability is not less than 48%.
From wire rod, make welding wire can be earlier the wire rod cold-drawn to more than the diameter 0.8mm, copper facing or not copper facing subsequently.The ultimate strength of gained welding wire reaches 830～1320MPa.
In order further to understand the present invention, lift some specific embodiment below.
(embodiment 1)
The following component of weld wire of melting (quality %)
Carbon 0.13
Manganese 2.0
Silicon 1.5
Chromium 0.20
Copper 0.15
Aluminium 0.12
Nickel 0.20
Calcium 0.007
Rare earth metal 0.08
Iron surplus
Mentioned component obtains in steelmaking equipment.The original components of fusing necessary amounts, the melt of liquid is kept a period of time and is injected steel ladle then.Metal is cast steel ingot, and the latter rolls into lines, rolls into the welding wire of diameter 1.6mm then.
Welding wire with mentioned component welds in the carbon dioxide gas body medium, and the thickness of steel sample is 20mm, contains 0.14～0.21%(quality) carbon.Being welded on low level carries out.DC current values is 380～400A, and arc voltage is 32～34V, and this is the makers' condition of heavy duty crane.In the process that the welding wire with mentioned component welds, the welding wire metal is thin (jet) transition of dripping.The electric arc uninterrupted length is in 18～20mm scope.The gained weld seam does not have pore, crackle and other gross imperfection.
In order to compare, under equal conditions weld, principal component following (quality %) with the welding wire of principal component sample to similar size:
Carbon 0.12
Manganese 1
Silicon 1
Aluminium 0.15
Chromium 12
Copper 0.5
Titanium 0.15
Rare earth metal 0.05
Nickel 5
Calcium 0.007
Vanadium 0.2
Zirconium 0.15
Molybdenum 3.1
Iron surplus
In with the process that the welding wire of principal component has welded, observe the globular transfer of welding wire metal, and have and splash.The electric arc uninterrupted length is 9～12mm.The weld seam that obtain this moment does not have pore.But because the copper of more amount is arranged in mentioned component, it is separated out with the form of particulate phase, therefore visible crystalloid crackle in weld metal.
The feature of welding process and the mechanical performance index of gained weld seam when table 1 has been listed with the welding wire of the principal component and the composition of proposing.
Table 1
The mechanical property of metal welding seam during the weldering welding
The splash sample of coefficient ultimate strength yield limit band V-notch of silk exists
Become ψ, % Rm, Re tests under 253 ° of K temperature
Ballistic work KV when dividing MPa MPa, J
Known 14～15 480～520 340～360 21～30
1.9～2.2 540～550 390～430 48～52 of proposal
From the listed data of table 1 as seen, welding wire that use to propose composition reduces splashing of welding wire metal greatly and improves the mechanical property, the particularly impact flexibility of weld seam under zubzero temperature of weld seam.
(embodiment 2)
Refine the welding wire of following composition (quality %):
Carbon 0.03
Manganese 0.8
Silicon 0.7
Chromium 0.01
Copper 0.01
Aluminium 0.006
Nickel 0.01
Calcium 0.001
Rare earth metal 0.01
Iron surplus
In the carbon dioxide gas body medium, weld the steel sample of carbon containing 0.07～0.12% quality of thick 20mm with the welding wire of mentioned component.Welded condition is similar to embodiment 1 with the locus.Be welded under the agricultural machinery manufacturing condition and carry out.
With the result of the welding wire welded specimen of mentioned component, considerable clip the welding wire metal thin dripped (jet) transition.The macrostructure of weld metal does not have defective.The characteristic of welding process and the character of weld metal are listed in table 2.
Table 2
The mechanical property of metal welding seam during welding
The sample of the coefficient ultimate strength of splashing yield limit band V-notch exists
ψ, % Rm, MPa Re tests under 253 ° of K temperature of MPa
The time ballistic work KV, J
1.9～2.3 540～580 410～430 50～60
(embodiment 3)
Refine the welding wire of following ingredients (quality %):
Carbon 0.25
Manganese 2.18
Silicon 2.19
Chromium 0.25
Copper 0.20
Aluminium 0.20
Nickel 0.23
Calcium 0.017
Rare earth metal 0.09
Iron surplus
Welding wire with diameter 1.2mm in the carbon dioxide gas body medium welds in the upright position.Steel sample to carbon containing 0.07～0.12% quality of thick 20mm welds.DC current values 140～160A, arc voltage 19～21V.
Thin (jet) transition of welding wire metal takes place when using the welding wire welded specimen of mentioned component.Weld seam does not have defective.The characteristic of welding process and weld metal character are listed in table 3.
Table 3
The mechanical property of metal welding seam during welding
The sample of the coefficient ultimate strength of splashing yield limit band V-notch exists
ψ, % Rm, MPa Re tests under 253 ° of K temperature of MPa
The time ballistic work KV, J
2.1～2.8 580～600 420～460 47～51
(embodiment 4)
Refine the welding wire of following ingredients (quality %):
Carbon 0.17
Manganese 1.2
Silicon 1.5
Chromium 0.15
Copper 0.15
Aluminium 0.017
Nickel 0.16
Calcium 0.009
Rare earth metal 0.06
Iron surplus
With the welding wire of mentioned component in the carbon dioxide gas body medium to 20mm thick contain 0.08～0.13%(quality) the steel sample of carbon weld.Welded condition is similar to embodiment 1 with the locus.Welding is to carry out under the condition of compartment manufacturing enterprise.
Result with the welding wire welded specimen of mentioned component observes the welding wire metal and carefully drips (jet) transition.Welding does not have defective.The characteristic of welding process and weld seam character are listed in table 4.
Table 4
The mechanical property of metal welding seam during welding
The sample of the coefficient ultimate strength of splashing yield limit band V-notch exists
ψ, % Rm, MPa Re tests under 253 ° of K temperature of MPa
The time ballistic work KV, J
2.3～2.9 570～600 400～450 52～58
(embodiment 5)
Refine the welding wire of following ingredients (quality %):
Carbon 0.09
Manganese 1.0
Silicon 2.0
Chromium 0.11
Copper 0.25
Aluminium 0.17
Nickel 0.10
Calcium 0.02
Rare earth metal 0.02
Iron surplus
Welding wire with mentioned component welds the sample that is similar among the embodiment 4.Be equal among welded condition and locus and the embodiment 1.Welding is to carry out under the condition of shipbuilding enterprise.
Result with the welding wire welded specimen of mentioned component observes the welding wire metal and carefully drips (jet) transition.Weld seam does not have defective.The weld seam character of welding process is listed in table 5.
Table 5
The mechanical property of metal welding seam during welding
The sample of the coefficient ultimate strength of splashing yield limit band V-notch exists
ψ, % Rm, MPa Re tests under 253 ° of K temperature of MPa
The time ballistic work KV, J
2.4～30 570～590 400～440 48～53
(embodiment 6)
Refine the welding wire of following ingredients (quality %):
Carbon 0.05
Manganese 0.8
Silicon 2.0
Chromium 0.03
Copper 0.10
Aluminium 0.10
Nickel 0.03
Calcium 0.018
Rare earth metal 0.04
Iron surplus
Welding wire with mentioned component welds the sample that is similar among the embodiment 4.Be equal among the locus of welded condition and the embodiment 1.Welding condition is with embodiment 1.
Result with the welding wire welded specimen of mentioned component observes the welding wire metal and carefully drips (jet) transition.Weld seam does not have defective.The characteristic of welding process and weld seam character are listed in table 6.
Table 6
The mechanical property of metal welding seam during welding
The sample of the coefficient ultimate strength of splashing yield limit band V-notch exists
ψ, % Rm, MPa Re tests under 253 ° of K temperature of MPa
The time ballistic work KV, J
2.1～2.7 520～560 390～440 49～55
(embodiment 7)
Refine the welding wire of following ingredients (quality %):
Carbon 0.03
Manganese 0.87
Silicon 0.79
Chromium 0.01
Copper 0.02
Aluminium 0.009
Nickel 0.02
Calcium 0.017
Rare earth metal 0.01
Titanium 0.002
Iron surplus
Welding wire with mentioned component welds the sample that is similar among the embodiment 2.Be equal among welded condition and locus and the embodiment 1.Welding is to carry out under the condition of shipbuilding enterprise.
Meet the result of sample with above-mentioned wire welding, that observes the welding wire metal carefully drips (jet) transition.Weld seam does not have defective.The characteristic of welding process and weld seam character are listed in table 7.
Table 7
The mechanical property of metal welding seam during welding
The sample of the coefficient ultimate strength of splashing yield limit band V-notch exists
ψ, % Rm, MPa Re tests under 253 ° of K temperature of MPa
The time ballistic work KV, J
1.6～2.0 520～560 380～410 55～65
(embodiment 8)
Refine the welding wire of following ingredients (quality %):
Carbon 0.25
Manganese 2.2
Silicon 2.17
Chromium 0.25
Copper 0.25
Aluminium 0.18
Nickel 0.25
Calcium 0.02
Rare earth metal 0.10
Titanium 0.20
Iron surplus
Welding wire with mentioned component welds the sample that is similar among the embodiment 2.
Welded condition and locus and embodiment 3 are equal to.Welding condition is with embodiment 3.
With the result of the welding wire welded specimen of mentioned component, that observes the welding wire metal carefully drips (jet) transition.Weld seam does not have defective.The characteristic of welding process and weld seam character are listed in table 8.
Table 8
The mechanical property of metal welding seam during welding
The sample of the coefficient ultimate strength of splashing yield limit band V-notch exists
ψ, % Rm, MPa Re tests under 253 ° of K temperature of MPa
The time ballistic work KV, J
1.8～2.1 560～580 480～500 52～58
(embodiment 9)
Refine the welding wire of following ingredients (quality %):
Carbon 0.16
Manganese 1.10
Silicon 1.80
Chromium 0.17
Copper 0.14
Aluminium 0.015
Nickel 0.10
Calcium 0.008
Rare earth metal 0.05
Titanium 0.11
Iron surplus
Welding wire with mentioned component welds the sample that is similar among the embodiment 2.Welded condition and locus and embodiment 1 are equal to.Welding is to carry out under the condition of locomotive manufacturing enterprises.
With the result of the welding wire welded specimen of mentioned component, that observes the welding wire metal carefully drips (jet) transition.Weld seam does not have defective.The characteristic of welding process and weld seam character are listed in table 9.
Table 9
The mechanical property of metal welding seam during welding
The sample of the coefficient ultimate strength of splashing yield limit band V-notch exists
ψ, % Rm, MPa Re tests under 253 ° of K temperature of MPa
The time ballistic work KV, J
1.5～2.0 570～590 470～510 57～61
(embodiment 10)
Refine the welding wire of following ingredients (quality %):
Carbon 0.08
Manganese 1.43
Silicon 1.56
Chromium 0.034
Copper 0.06
Aluminium 0.05
Nickel 0.05
Calcium 0.01
Rare earth metal 0.02
Titanium 0.03
Iron surplus
Welding wire with mentioned component welds the sample that is similar among the embodiment 4.Welded condition and locus and embodiment 1 are equal to.Welding is to carry out under the enterprise condition of building industry.
Carry out the result of welded specimen with the welding wire of mentioned component, observe fine (jet) transition of welding wire metal.Weld seam does not have defective.The characteristic of welding process and weld seam character are listed in table 10.
Table 10
The mechanical property of metal welding seam during welding
The sample of the coefficient ultimate strength of splashing yield limit band V-notch exists
ψ, % Rm, MPa Re tests under 253 ° of K temperature of MPa
The time ballistic work KV, J
1.6～2.2 580～570 400～470 50～57
(embodiment 11)
Refine the welding wire of following ingredients (quality %):
Carbon 2.2
Manganese 1.70
Silicon 0.71
Chromium 0.06
Copper 0.13
Aluminium 0.12
Nickel 0.17
Calcium 0.05
Rare earth metal 0.015
Titanium 0.07
Iron surplus
Welding wire with mentioned component welds the sample that is similar among the embodiment 4.Welded condition and locus and embodiment 1 are equal to.
With the result of the welding wire welded specimen of mentioned component, that observes the welding wire metal carefully drips (jet) transition.Weld seam does not have defective.The characteristic of welding process and weld seam character are listed in table 11.
Table 11
The mechanical property of metal welding seam during welding
The sample of the coefficient ultimate strength of splashing yield limit band V-notch exists
ψ, % Rm, MPa Re tests under 253 ° of K temperature of MPa
The time ballistic work KV, J
1.7～2.1 520～580 390～450 52～60
Claims (2)
1, a kind of component of weld wire, it contains carbon, manganese, silicon, aluminium, chromium, copper, nickel, calcium, rare earth metal and iron, and the content that it is characterized in that said components is in following ratio (quality %):
Carbon 0.03～0.25
Manganese 0.8～2.2
Silicon 0.7～2.2
Aluminium 0.005～0.2
Chromium 0.01～0.25
Copper 0.01～0.25
Nickel 0.01～0.25
Calcium 0.001～0.02
Rare earth metal 0.01～0.1
Iron all the other
2, according to the composition of claim 1, it is characterized in that it also additionally contains titanium, its quantity is 0.002～0.2% of total mixture quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87103887 CN1013085B (en) | 1987-05-29 | 1987-05-29 | Components of welding electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87103887 CN1013085B (en) | 1987-05-29 | 1987-05-29 | Components of welding electrode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN87103887A CN87103887A (en) | 1988-12-14 |
| CN1013085B true CN1013085B (en) | 1991-07-10 |
Family
ID=4814619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87103887 Expired CN1013085B (en) | 1987-05-29 | 1987-05-29 | Components of welding electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1013085B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101733580B (en) * | 2008-11-18 | 2013-08-28 | 山东索力得焊材有限公司 | 800MPa-grade high-strength high-tenacity gas shielded welding wire |
| CN101913034B (en) * | 2010-07-30 | 2012-11-07 | 西安理工大学 | Low-hydrogen basic electrode for manual metal arc welding of FV520 (B) stainless steel |
| US10898966B2 (en) | 2012-05-24 | 2021-01-26 | Hobart Brothers Llc | Systems and methods for low-manganese welding wire |
| US10906135B2 (en) | 2012-05-24 | 2021-02-02 | Hobart Brothers Llc | Systems and methods for low-manganese welding wire |
| US9844838B2 (en) | 2013-05-08 | 2017-12-19 | Hobart Brothers Company | Systems and methods for low-manganese welding alloys |
| EP3180157B1 (en) * | 2014-08-12 | 2020-09-16 | Hobart Brothers Company | Systems and methods for low-manganese welding alloys |
| US10722986B2 (en) | 2015-12-11 | 2020-07-28 | Hobart Brothers Llc | Systems and methods for low-manganese welding wire |
-
1987
- 1987-05-29 CN CN 87103887 patent/CN1013085B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN87103887A (en) | 1988-12-14 |
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