GB1021883A - A method of improving physical properties of work hardening or precipitation hardening steels - Google Patents
A method of improving physical properties of work hardening or precipitation hardening steelsInfo
- Publication number
- GB1021883A GB1021883A GB31389/62A GB3138962A GB1021883A GB 1021883 A GB1021883 A GB 1021883A GB 31389/62 A GB31389/62 A GB 31389/62A GB 3138962 A GB3138962 A GB 3138962A GB 1021883 A GB1021883 A GB 1021883A
- Authority
- GB
- United Kingdom
- Prior art keywords
- stress
- steel
- steels
- plastic
- range
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
- C21D1/30—Stress-relieving
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Child & Adolescent Psychology (AREA)
- Health & Medical Sciences (AREA)
- Heat Treatment Of Steel (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
A method of increasing the tensile strength of steels of the kind which strain harden or precipitation harden in which the steel is axially stressed in tension or compression into the plastic range and is stress-relieved in order to maintain the hardness at substantially that of the unstressed steel. The steel may be stress-relieved during or after the plastic stressing, as by heat treatment or subjection to ultrasonic sound waves, or both. Stress-relieving by gas or electric heat in the range 200-800 DEG F. is referred to. If the steel is cold-drawn after the plastic stressing, a second stress-relieving operation may be performed, in the range 200-1000 DEG F. Tabular statements are included giving tensile strength and other physical properties for various plastic stresses, annealing temperatures and holding times. Steels within the following range may be treated: .C.0.18 -0.42 .Mn.1.157-0.74 .P.0.12 -0.016 .S.0.025-0.029 .Si.0.25 .Cr.0.93 .Mo.0.2
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US131557A US3230118A (en) | 1961-08-15 | 1961-08-15 | Method of developing high physical properties in ferrous material and product produced thereby |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1021883A true GB1021883A (en) | 1966-03-09 |
Family
ID=22449968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB31389/62A Expired GB1021883A (en) | 1961-08-15 | 1962-08-15 | A method of improving physical properties of work hardening or precipitation hardening steels |
Country Status (4)
Country | Link |
---|---|
US (1) | US3230118A (en) |
DE (1) | DE1433810B2 (en) |
GB (1) | GB1021883A (en) |
SE (1) | SE323401B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2482136A1 (en) * | 1980-03-24 | 1981-11-13 | Usui Kokusai Sangyo Kk | IMPROVEMENTS TO FERROUS MATERIALS |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3388011A (en) * | 1965-10-08 | 1968-06-11 | Atomic Energy Commission Usa | Process for the production of high strength steels |
US3490957A (en) * | 1967-03-23 | 1970-01-20 | Gen Motors Corp | Heat treatment to eliminate the upper yield point in ferrous alloys |
US3537913A (en) * | 1967-04-17 | 1970-11-03 | Nat Steel Corp | Cyclic stressing for suppression of strain aging |
US3904445A (en) * | 1972-12-29 | 1975-09-09 | Jr Hugh M Gallagher | Steel bar stock and method for making same |
US3888119A (en) * | 1974-01-18 | 1975-06-10 | Armco Steel Corp | Process for cold-working and stress-relieving non-heat hardenable ferritic stainless steels |
US4039354A (en) * | 1974-08-23 | 1977-08-02 | Borg-Warner Corporation | Method of making Belleville springs |
US3964938A (en) * | 1975-01-20 | 1976-06-22 | New York Wire Mills Corporation | Method and apparatus for forming high tensile steel from low and medium carbon steel |
US6852181B2 (en) * | 2001-10-23 | 2005-02-08 | Consolidated Metal Products, Inc. | Flattened U-bolt and method |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR373453A (en) * | 1906-11-12 | 1907-05-16 | Isem Bv | Electric switch controller for railway tracks |
US1373589A (en) * | 1920-05-13 | 1921-04-05 | Pratt & Whitney Co | Process of seasoning steel articles |
US1692521A (en) * | 1924-05-08 | 1928-11-20 | William Wharton Jr & Company I | Manufacture of containers for compressed gases |
GB295390A (en) * | 1927-08-11 | 1929-01-31 | Gyorgy Kerekgyarto | A method of increasing the elasticity limit or yield point of tough or plastic metals |
GB400395A (en) * | 1931-08-28 | 1933-10-26 | Gen Electric | Improvements relating to processes for improving ferromagnetic alloys |
US1978219A (en) * | 1932-08-31 | 1934-10-23 | Allegheny Steel Co | Method of treating metallic materials |
US2235026A (en) * | 1940-02-05 | 1941-03-18 | Hubbard & Co | Track chisel and method of treating same |
US2813049A (en) * | 1953-01-09 | 1957-11-12 | Jr Edward M Maccutcheon | Method for preventing rupture of metal structures |
US2848775A (en) * | 1953-09-17 | 1958-08-26 | Etma S A | Method of controlling the properties of metals and metal alloys by irradiation with vibrations |
US2924543A (en) * | 1956-10-22 | 1960-02-09 | Lasalle Steel Co | Cold-finished steels and method for manufacturing same |
US3053703A (en) * | 1960-08-05 | 1962-09-11 | Norman N Breyer | Producing high strengths in martensitic steels |
-
1961
- 1961-08-15 US US131557A patent/US3230118A/en not_active Expired - Lifetime
-
1962
- 1962-07-19 DE DE19621433810 patent/DE1433810B2/en active Pending
- 1962-08-13 SE SE8816/62A patent/SE323401B/xx unknown
- 1962-08-15 GB GB31389/62A patent/GB1021883A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2482136A1 (en) * | 1980-03-24 | 1981-11-13 | Usui Kokusai Sangyo Kk | IMPROVEMENTS TO FERROUS MATERIALS |
Also Published As
Publication number | Publication date |
---|---|
US3230118A (en) | 1966-01-18 |
SE323401B (en) | 1970-05-04 |
DE1433810A1 (en) | 1968-12-19 |
DE1433810B2 (en) | 1970-10-15 |
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