GB1218981A - Grinding members and steels therefor - Google Patents
Grinding members and steels thereforInfo
- Publication number
- GB1218981A GB1218981A GB164468A GB164468A GB1218981A GB 1218981 A GB1218981 A GB 1218981A GB 164468 A GB164468 A GB 164468A GB 164468 A GB164468 A GB 164468A GB 1218981 A GB1218981 A GB 1218981A
- Authority
- GB
- United Kingdom
- Prior art keywords
- steel
- grinding
- tempering
- jan
- steels
- 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
- 229910000831 Steel Inorganic materials 0.000 title abstract 3
- 239000010959 steel Substances 0.000 title abstract 3
- 229910001208 Crucible steel Inorganic materials 0.000 abstract 2
- 238000005496 tempering Methods 0.000 abstract 2
- 229910001566 austenite Inorganic materials 0.000 abstract 1
- 229910052804 chromium Inorganic materials 0.000 abstract 1
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 abstract 1
- 230000005496 eutectics Effects 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 abstract 1
- 229910000734 martensite Inorganic materials 0.000 abstract 1
- 150000001247 metal acetylides Chemical class 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 229910001562 pearlite Inorganic materials 0.000 abstract 1
- 239000006104 solid solution Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/20—Disintegrating members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/22—Lining for containers
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/06—Cast-iron alloys containing chromium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/36—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.7% by weight of carbon
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
- Crushing And Grinding (AREA)
Abstract
1,218,981. Cast steel grinding members. SOC. ANON. FONDERIES MAGOTTEAUX. Jan. 11, 1968 [Jan.13, 1967], No. 1644/68. Heading C7A. A grinding member such as a ball or lining plate for use in a grinding mill or the like is made of a cast steel having Cr>14% and a metallographic structure which is constituted by a martensitic solid solution, which contains eutectic and pro-eutectoidic carbides and < 3% residual austenite, and which is free from pearlite, A suitable steel has the composition:- C 2-3%, Cr 14-27% with the limitation that Cr-5C = 4-12%, the balance being Fe except for impurties such as Mn, Si, P and S, and incidental ingredients such as Mo, V and W. The steel is heat-treated by hardening in still air or an air blast at a temperature of at least 950‹C., prefer - ably 950‹ -1100‹ C., and then tempering at 440‹ - 530‹ C. A second tempering may follow at a temperature lower than the first. Specification 1, 119, 516 is referred to.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES107843A DE1298390B (en) | 1967-01-13 | 1967-01-13 | Balls, lining plates and similar items made of cast steel |
| BE693669 | 1967-02-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1218981A true GB1218981A (en) | 1971-01-13 |
Family
ID=25656528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB164468A Expired GB1218981A (en) | 1967-01-13 | 1968-01-11 | Grinding members and steels therefor |
Country Status (11)
| Country | Link |
|---|---|
| BE (1) | BE693669A (en) |
| CH (1) | CH479710A (en) |
| CS (1) | CS216227B2 (en) |
| DE (1) | DE1298390B (en) |
| DK (1) | DK139391B (en) |
| ES (1) | ES349501A1 (en) |
| FI (1) | FI50933C (en) |
| FR (1) | FR1573013A (en) |
| GB (1) | GB1218981A (en) |
| NL (1) | NL6800375A (en) |
| NO (1) | NO122077B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0014655A1 (en) * | 1979-02-05 | 1980-08-20 | ACIERIES THOME CROMBACK Société anonyme dite: | Process for the manufacture of grinding members of an iron alloy |
| EP0029539A1 (en) * | 1979-11-19 | 1981-06-03 | Georg Fischer Aktiengesellschaft | Process for manufacturing chromium-containing cast iron and cast articles made therefrom |
| AU2008313233B2 (en) * | 2007-10-18 | 2013-01-24 | Tega Industries Limited | Composite steel claded mill liner |
| RU2651724C2 (en) * | 2013-07-19 | 2018-04-23 | Эвоник Дегусса Гмбх | Method of recovering a copper sulfide concentrate from an ore containing an iron sulfide |
| US10413914B2 (en) | 2012-01-27 | 2019-09-17 | Evonik Degussa Gmbh | Enrichment of metal sulfide ores by oxidant assisted froth flotation |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE795569A (en) * | 1972-03-23 | 1973-06-18 | Boehler & Co Ag Geb | INTERNAL COATING OF BALL MILLS |
| US4043842A (en) * | 1972-07-12 | 1977-08-23 | Joiret Victor L J | Grinding members |
| FR2228115B1 (en) * | 1973-05-04 | 1975-11-21 | Thome Cromback Acieries | |
| WO1979000274A1 (en) * | 1977-11-11 | 1979-05-17 | Fischer Ag Georg | Manufacturing process of metal pieces made of alloy cast iron exposed to wear |
| CN104096620A (en) * | 2014-07-31 | 2014-10-15 | 宁国市鑫煌矿冶配件制造有限公司 | Preparation technology for wear resistant lining board for ball grinder |
-
1967
- 1967-01-13 DE DES107843A patent/DE1298390B/en active Pending
- 1967-02-03 BE BE693669D patent/BE693669A/xx not_active IP Right Cessation
- 1967-12-27 NO NO17115567A patent/NO122077B/no unknown
- 1967-12-29 FR FR1573013D patent/FR1573013A/fr not_active Expired
- 1967-12-29 DK DK661467A patent/DK139391B/en unknown
-
1968
- 1968-01-04 CH CH8968A patent/CH479710A/en not_active IP Right Cessation
- 1968-01-10 NL NL6800375A patent/NL6800375A/xx unknown
- 1968-01-11 FI FI6068A patent/FI50933C/en active
- 1968-01-11 ES ES349501A patent/ES349501A1/en not_active Expired
- 1968-01-11 GB GB164468A patent/GB1218981A/en not_active Expired
- 1968-01-12 CS CS23068A patent/CS216227B2/en unknown
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0014655A1 (en) * | 1979-02-05 | 1980-08-20 | ACIERIES THOME CROMBACK Société anonyme dite: | Process for the manufacture of grinding members of an iron alloy |
| FR2447753A1 (en) * | 1979-02-05 | 1980-08-29 | Thome Cromback Acieries | PROCESS FOR MANUFACTURING GRINDING BODIES WITH AXIAL SYMMETRY IN FERROUS ALLOY AND NEW GRINDING BODIES OBTAINED BY THIS PROCESS |
| EP0029539A1 (en) * | 1979-11-19 | 1981-06-03 | Georg Fischer Aktiengesellschaft | Process for manufacturing chromium-containing cast iron and cast articles made therefrom |
| AU2008313233B2 (en) * | 2007-10-18 | 2013-01-24 | Tega Industries Limited | Composite steel claded mill liner |
| US10413914B2 (en) | 2012-01-27 | 2019-09-17 | Evonik Degussa Gmbh | Enrichment of metal sulfide ores by oxidant assisted froth flotation |
| RU2651724C2 (en) * | 2013-07-19 | 2018-04-23 | Эвоник Дегусса Гмбх | Method of recovering a copper sulfide concentrate from an ore containing an iron sulfide |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1573013A (en) | 1969-07-04 |
| CH479710A (en) | 1969-10-15 |
| BE693669A (en) | 1967-07-17 |
| FI50933B (en) | 1976-05-31 |
| NO122077B (en) | 1971-05-18 |
| NL6800375A (en) | 1968-07-15 |
| DE1298390B (en) | 1969-06-26 |
| CS216227B2 (en) | 1982-10-29 |
| DK139391B (en) | 1979-02-12 |
| FI50933C (en) | 1976-09-10 |
| ES349501A1 (en) | 1969-09-16 |
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