GB698768A - Improvements in and relating to steel alloys - Google Patents

Improvements in and relating to steel alloys

Info

Publication number
GB698768A
GB698768A GB15610/51A GB1561051A GB698768A GB 698768 A GB698768 A GB 698768A GB 15610/51 A GB15610/51 A GB 15610/51A GB 1561051 A GB1561051 A GB 1561051A GB 698768 A GB698768 A GB 698768A
Authority
GB
United Kingdom
Prior art keywords
per cent
wear
steel alloys
steel
relating
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
GB15610/51A
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.)
HAUTS FOURNEAUX FORGES ET ACIE
Original Assignee
HAUTS FOURNEAUX FORGES ET ACIE
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 HAUTS FOURNEAUX FORGES ET ACIE filed Critical HAUTS FOURNEAUX FORGES ET ACIE
Publication of GB698768A publication Critical patent/GB698768A/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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

Steel alloys having high resistance to wear, abrasion, intergranular corrosion and surface corrosion have the following composition: C up 0.2 per cent, Cr 1.0-6.0 per cent, Al 0.2-2.0 per cent, Ni 0.2-2.0 per cent, Si 0-0.5 per cent, Mn 0-0.6 per cent, Cu 0-0.5 per cent Mo 0-0.6 per cent, one or more of the following elements as killing agents, namely Ti, V, Sr, Nb, Ce up to 0.2 per cent, Fe, and the usual impurities, the balance. The Specification describes the heat-treatment of a 5mm. thick sheet which is annealed at 750 DEG -780 DEG C to bring it into a condition in which it may be machined and has a good press forming capacity. The properties of hardness and wear-resistance are then restored by heating to 900-950 DEG C and cooling in air. The steel may often be worked without previous tempering and then tempered at 300-400 DEG C to increase its tensile strength.
GB15610/51A 1950-07-05 1951-07-02 Improvements in and relating to steel alloys Expired GB698768A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR698768X 1950-07-05

Publications (1)

Publication Number Publication Date
GB698768A true GB698768A (en) 1953-10-21

Family

ID=9047890

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15610/51A Expired GB698768A (en) 1950-07-05 1951-07-02 Improvements in and relating to steel alloys

Country Status (1)

Country Link
GB (1) GB698768A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2999039A (en) * 1959-09-14 1961-09-05 Allegheny Ludlum Steel Martensitic steel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2999039A (en) * 1959-09-14 1961-09-05 Allegheny Ludlum Steel Martensitic steel

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