GB1472331A - Powder metallurgy - Google Patents

Powder metallurgy

Info

Publication number
GB1472331A
GB1472331A GB2938274A GB2938274A GB1472331A GB 1472331 A GB1472331 A GB 1472331A GB 2938274 A GB2938274 A GB 2938274A GB 2938274 A GB2938274 A GB 2938274A GB 1472331 A GB1472331 A GB 1472331A
Authority
GB
United Kingdom
Prior art keywords
powders
july
powder metallurgy
steel
atomizing
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
GB2938274A
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.)
JFE Steel Corp
Original Assignee
Kawasaki Steel 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 Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Publication of GB1472331A publication Critical patent/GB1472331A/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
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0264—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements the maximum content of each alloying element not exceeding 5%

Abstract

1472331 Steel powders KAWASAKI STEEL CORP 2 July 1974 [5 July 1973] 29382/74 Heading C7A Low alloy steels, having an excellent hardenability as measured by the forming test, are made from powders produced by granulation after atomizing. The composition of the powders consists of:- The powders are reduction annealed in hydrogen at 1050‹C for 3 hours prior to sinter forging in closed dies, and are used in automotive applications.
GB2938274A 1973-07-05 1974-07-02 Powder metallurgy Expired GB1472331A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7529973A JPS5441968B2 (en) 1973-07-05 1973-07-05

Publications (1)

Publication Number Publication Date
GB1472331A true GB1472331A (en) 1977-05-04

Family

ID=13572216

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2938274A Expired GB1472331A (en) 1973-07-05 1974-07-02 Powder metallurgy

Country Status (4)

Country Link
US (1) US3890136A (en)
JP (1) JPS5441968B2 (en)
GB (1) GB1472331A (en)
SE (2) SE412256B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5616587Y2 (en) * 1975-05-24 1981-04-17
JPS5614505Y2 (en) * 1975-05-24 1981-04-06
JPS5365249A (en) * 1976-11-25 1978-06-10 Hoeganaes Ab Improved mixture and said manufacturing process for low alloy steel powder
SE9404110D0 (en) * 1994-11-25 1994-11-25 Hoeganaes Ab Manganese containing materials having high tensile strength
SE0201824D0 (en) * 2002-06-14 2002-06-14 Hoeganaes Ab Pre-alloyed iron based powder
US20070048169A1 (en) * 2005-08-25 2007-03-01 Borgwarner Inc. Method of making powder metal parts by surface densification

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2284638A (en) * 1938-08-20 1942-06-02 Frances H Clark Metallurgy of ferrous metals
US3798022A (en) * 1971-02-17 1974-03-19 Federal Mogul Corp Pre-alloyed nickel-free silicon-free minimal oxide low alloy iron powder
US3687654A (en) * 1971-03-10 1972-08-29 Smith Inland A O Method of making alloy steel powder
US3725142A (en) * 1971-08-23 1973-04-03 Smith A Inland Inc Atomized steel powder having improved hardenability
US3837845A (en) * 1972-03-27 1974-09-24 Int Nickel Co Oxide coated ferrous metal powder

Also Published As

Publication number Publication date
US3890136A (en) 1975-06-17
SE412257B (en) 1980-02-25
SE412256B (en) 1980-02-25
DE2432338B2 (en) 1977-01-27
JPS5023303A (en) 1975-03-13
SE7706654L (en) 1977-06-08
SE7408807L (en) 1975-01-06
JPS5441968B2 (en) 1979-12-11
DE2432338A1 (en) 1975-01-16
SE412257C (en) 1987-05-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee