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US2521273A - Nickel base alloy - Google Patents

Nickel base alloy Download PDF

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Publication number
US2521273A
US2521273A US21302A US2130248A US2521273A US 2521273 A US2521273 A US 2521273A US 21302 A US21302 A US 21302A US 2130248 A US2130248 A US 2130248A US 2521273 A US2521273 A US 2521273A
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US
United States
Prior art keywords
alloy
nickel
nil
iron
base alloy
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 - Lifetime
Application number
US21302A
Inventor
William A Wissler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Union Carbide Corp
Original Assignee
Union Carbide and Carbon Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Union Carbide and Carbon Corp filed Critical Union Carbide and Carbon Corp
Priority to US21302A priority Critical patent/US2521273A/en
Application granted granted Critical
Publication of US2521273A publication Critical patent/US2521273A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C19/00Alloys based on nickel or cobalt

Definitions

  • the invention is a hard, wear-resistant nickel base alloy of relatively low melting point suitable for use in hard facing operations.
  • the invention also includes a welding rod fabricated from the alloy.
  • the alloy of the invention contains to 18 7.. silicon; 5% to 30% cobalt; 10% to 30% copper; the remainder nickel and incidental impurities.
  • With the nickel may be associated iron up to about of the alloy, and preferably the alloy contains 3% to 10% iron.
  • the alloy may also contain up to 15% chromium, replacing nickel, without materially affecting the properties of the alloy, but the sum of chromium and iron should not exceed of the alloy.
  • the nickel content should be not less than 35% and not more than 65% of the alloy, and the sum of nickel and iron should not exceed 65%.
  • a preferred range of compositions for the alloy of the invention is 10% to 14% silicon; 15% to cobalt; 15% to 25% copper; 3% to 10% chromium; remainder nickel, together with 3% to 10% iron.
  • Alloys within the foregoing composition ranges generally have a melting point between about 1000 C. and 1100 0. Their hardness, as measured on the Rockwell C Scale is between about 45 and 55. The wear-resistance of alloys of this composition is excellent, and they have a fairly high degree of resistance to corrosion and are thereforesuitable for use where corrosion resistance and hardness are both desirable, for example as trim for certain types of valves.
  • the alloy of the invention may be cast into any desired shape and is well suited to the production of welding rods for use in hard-facing operations.
  • the alloys may be applied in the conventional manner by deposition from a welding rod, or the alloy may be laid in place on an article to be hard-faced and the entire assembly heated until the alloy melts and forms a coating.
  • the alloy may be used as a carrier or bond for tungsten carbide or other types of diamond substitute.
  • a welding rod composed of the alloy defined by claim 1.
  • a welding rod composed of the alloy defined by claim 2.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Earth Drilling (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Multiple-Way Valves (AREA)

Description

Patented Sept. 5, 1950 UNITED STAT NICKEL BASE ALLOY William A. Wissler, Niagara Falls, N. Y., assignor, by mesne assignments, to Union Carbide and 'Carbon Corporation, a corporation of New York No Drawing. Application April 15, 1948, Serial No. 21,302
9 Claims. (01. 75-134) The invention is a hard, wear-resistant nickel base alloy of relatively low melting point suitable for use in hard facing operations. The invention also includes a welding rod fabricated from the alloy.
The alloy of the invention contains to 18 7.. silicon; 5% to 30% cobalt; 10% to 30% copper; the remainder nickel and incidental impurities. With the nickel may be associated iron up to about of the alloy, and preferably the alloy contains 3% to 10% iron. The alloy may also contain up to 15% chromium, replacing nickel, without materially affecting the properties of the alloy, but the sum of chromium and iron should not exceed of the alloy. The nickel content should be not less than 35% and not more than 65% of the alloy, and the sum of nickel and iron should not exceed 65%.
A preferred range of compositions for the alloy of the invention is 10% to 14% silicon; 15% to cobalt; 15% to 25% copper; 3% to 10% chromium; remainder nickel, together with 3% to 10% iron.
Alloys within the foregoing composition ranges generally have a melting point between about 1000 C. and 1100 0. Their hardness, as measured on the Rockwell C Scale is between about 45 and 55. The wear-resistance of alloys of this composition is excellent, and they have a fairly high degree of resistance to corrosion and are thereforesuitable for use where corrosion resistance and hardness are both desirable, for example as trim for certain types of valves.
The alloy of the invention may be cast into any desired shape and is well suited to the production of welding rods for use in hard-facing operations.
For hard-facing, the alloys may be applied in the conventional manner by deposition from a welding rod, or the alloy may be laid in place on an article to be hard-faced and the entire assembly heated until the alloy melts and forms a coating. Where extreme resistance to abrasion is required, the alloy may be used as a carrier or bond for tungsten carbide or other types of diamond substitute.
In the following table are listed several specific compositions typical of alloys of the invention, together with their melting points and hardness, the latter being measured on the Rockwell C Scale.
Per Cent Composition ggfg Hardness Si 00 Cu Ni Cr Fe 12 20 20 48 Nil Nil 1, 045 54-55 11 18 18 43 10 N i] 1. 045 53-55 12 20 20 43 5 N il N. D. 51-54 10 18 19 38 15 Nil N. D. 53 max 12 20 20 43 Nil 5 N. D. 51-55 12 20 2O 38 Nil 10 N D. 48-52 12 2O 20 38 5 5 N. D. 50-53 12 20 20 33 5 10 N. D. 48-54 l0 10 18 42 10 10 1, 090 52-56 10 15 15 6O Nil Nil 1, 47-52 14 25 25 36 Nil Nil 1,125 51 max.
8 10 10 72 Nil Nil 1, 130 41-42 8 10 20 62 Nil Nil 1, 095 47-49 8 20 10 62 Nil Nil 1, 43-44 8 20 20 52 N i] Nil 1, 065 47-49 N. D.11ot determined.
The data in the above table are illustrative of the properties of the alloy of the invention which make it suitable for use in applications where resistance to wear is required.
I claim:
1. An alloy containing 5% to 18% silicon; 5% to 30% cobalt; 10% to 30% copper; up to 15% chromium; up to 15% iron; remainder nickel, the nickel content being not less than 35% and not exceeding 65%, the sum of chromium and iron not exceeding 20% and the sum of nickel and iron not exceeding 65% of the alloy.
2. An alloy containing 10% to 14% silicon; 15% to 25% cobalt; 15% to 25% copper; 3% to 10% chromium; remainder nickel and incidental impurities, the nickel content being not less than 35% and not more than 65% of the alloy.
3. A welding rod. composed of the alloy defined by claim 1.
4. A welding rod composed of the alloy defined by claim 2.
5. An article required to withstand wear and abrasion, at least the portions of such article subjected to wear being composed of the alloy defined by claim 1.
3 tent being not less than 35% and the sum of the nickel and iron contents being not more than 65% of the alloy.
8. A welding rod composed of the alloy defined by claim 7.
9. An article required to withstand wear and abrasion, at least the portions of said article subjected to wear being composed of the alloy defined by claim 7.
WILLIAM A. WISSLER.
REFERENCES CITED The following references are of record in the file of this patent:
Number Number 4 UNITED STATES PATENTS Name Date Douglass Dec. 14, 1915 Brix Oct. 31, 1916 Lytle June 10, 1930 Bishop Nov. 19, 1940 Bolton June 17, 1941 Nieman Jan. 26, 1943 Wise Aug. 8, 1944 FOREIGN PATENTS Country Date Switzerland Oct. 1, 1932

Claims (1)

1. AN ALLOY CONTAINING 5% TO 18% SILICON; 5% TO 30% COBALT; 10% TO 30% COPPER; UP TO 15% CHROMIUM; UP TO 15% IRON; REMAINDER NICKEL, THE NICKEL CONTENT BEING NOT LESS THAN 35% AND NOT EXCEEDING 65%, THE SUM OF CHROMIUM AND IRON NOT EXCEEDING 20% AND THE SUM OF NICKEL AND IRON NOT EXCEEDING 65% OF THE ALLOY.
US21302A 1948-04-15 1948-04-15 Nickel base alloy Expired - Lifetime US2521273A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2761778A (en) * 1953-08-26 1956-09-04 Herman L Mann Alloy
US2762706A (en) * 1954-10-19 1956-09-11 Coast Metals Inc Low melting point alloys
US2821474A (en) * 1954-04-09 1958-01-28 Lunkenheimer Co Hard ductile alloy

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1163813A (en) * 1914-02-09 1915-12-14 Peter John Archibald Douglass Proces for the hardening of compositions of nickel and copper.
US1203555A (en) * 1914-10-17 1916-10-31 American Alloys Company Metal alloy.
US1762871A (en) * 1927-12-20 1930-06-10 Union Carbide & Carbon Res Lab Welding alloy
CH155829A (en) * 1929-10-11 1932-07-15 Commentry Fourchambault Et Dec A method of making an improved alloy of iron, nickel and at least one other additional component.
US2222472A (en) * 1939-08-24 1940-11-19 Haynes Stellite Co Corrosion resistant nickel base alloy
US2245566A (en) * 1940-02-02 1941-06-17 Lunkenheimer Co Welding rod
US2309136A (en) * 1940-05-04 1943-01-26 Edmund A Steinbock Process for preparing an alloy for cast dentures
US2355581A (en) * 1942-05-16 1944-08-08 Int Nickel Co Process of making nickel-copper alloy castings

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1163813A (en) * 1914-02-09 1915-12-14 Peter John Archibald Douglass Proces for the hardening of compositions of nickel and copper.
US1203555A (en) * 1914-10-17 1916-10-31 American Alloys Company Metal alloy.
US1762871A (en) * 1927-12-20 1930-06-10 Union Carbide & Carbon Res Lab Welding alloy
CH155829A (en) * 1929-10-11 1932-07-15 Commentry Fourchambault Et Dec A method of making an improved alloy of iron, nickel and at least one other additional component.
US2222472A (en) * 1939-08-24 1940-11-19 Haynes Stellite Co Corrosion resistant nickel base alloy
US2245566A (en) * 1940-02-02 1941-06-17 Lunkenheimer Co Welding rod
US2309136A (en) * 1940-05-04 1943-01-26 Edmund A Steinbock Process for preparing an alloy for cast dentures
US2355581A (en) * 1942-05-16 1944-08-08 Int Nickel Co Process of making nickel-copper alloy castings

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2761778A (en) * 1953-08-26 1956-09-04 Herman L Mann Alloy
US2821474A (en) * 1954-04-09 1958-01-28 Lunkenheimer Co Hard ductile alloy
US2762706A (en) * 1954-10-19 1956-09-11 Coast Metals Inc Low melting point alloys

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