GB1129890A - Heat treatment of steel - Google Patents

Heat treatment of steel

Info

Publication number
GB1129890A
GB1129890A GB33457/67A GB3345767A GB1129890A GB 1129890 A GB1129890 A GB 1129890A GB 33457/67 A GB33457/67 A GB 33457/67A GB 3345767 A GB3345767 A GB 3345767A GB 1129890 A GB1129890 A GB 1129890A
Authority
GB
United Kingdom
Prior art keywords
steel
heat treatment
july
range
nickel
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
Application number
GB33457/67A
Inventor
Glenn William Tuffnell
Charles Joseph Novak
Stephen Floreen
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.)
Inco Ltd
Original Assignee
Inco Ltd
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 Inco Ltd filed Critical Inco Ltd
Publication of GB1129890A publication Critical patent/GB1129890A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
    • C22C38/105—Ferrous alloys, e.g. steel alloys containing cobalt containing Co and Ni
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/001—Heat treatment of ferrous alloys containing Ni

Abstract

1,129,890. Working at specified temperatures. INTERNATIONAL NICKEL Ltd. 20 July, 1967 [25 July, 1966], No. 33457/67. Heading B3V. [Also in Division C7] Nickel-containing steels that are age-hardenable in the martensitic state are initially hotworked in the range 1205-1260‹ C.; final hotwork is over the range 925-1240‹ C. but the finishing temperature should be between 815‹ C. and 870‹ C. These conditions, and the subsequent heat-treatment (see Division C7), are stated to result in improved fatigue properties.
GB33457/67A 1966-07-25 1967-07-20 Heat treatment of steel Expired GB1129890A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US56741066A 1966-07-25 1966-07-25

Publications (1)

Publication Number Publication Date
GB1129890A true GB1129890A (en) 1968-10-09

Family

ID=24267035

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33457/67A Expired GB1129890A (en) 1966-07-25 1967-07-20 Heat treatment of steel

Country Status (3)

Country Link
US (1) US3453153A (en)
BE (1) BE701800A (en)
GB (1) GB1129890A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2570483A1 (en) * 1984-10-26 1986-03-21 Arbed Saarstahl Gmbh Use of nickel-containing maraging steels for the blades of cut and thrust arms (swords)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3642595A (en) * 1969-09-23 1972-02-15 Us Air Force Thermal grain refinement of maraging steel
CA1029643A (en) * 1973-07-27 1978-04-18 Hiromori Tsutsumi Cylinders for uranium enrichment centrifugal separators and process for their production

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3093518A (en) * 1959-09-11 1963-06-11 Int Nickel Co Nickel alloy
US3093519A (en) * 1961-01-03 1963-06-11 Int Nickel Co Age-hardenable, martensitic iron-base alloys
US3131097A (en) * 1962-02-23 1964-04-28 Gen Motors Corp Heat treatment of bearing steel to eliminate retained austenite
US3210224A (en) * 1963-04-19 1965-10-05 Westinghouse Electric Corp Process for producing damping alloy members
US3341372A (en) * 1965-07-12 1967-09-12 Int Nickel Co Process for heat treating cast maraging steels

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2570483A1 (en) * 1984-10-26 1986-03-21 Arbed Saarstahl Gmbh Use of nickel-containing maraging steels for the blades of cut and thrust arms (swords)

Also Published As

Publication number Publication date
BE701800A (en) 1968-01-25
US3453153A (en) 1969-07-01

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