GB1233847A - - Google Patents

Info

Publication number
GB1233847A
GB1233847A GB1233847DA GB1233847A GB 1233847 A GB1233847 A GB 1233847A GB 1233847D A GB1233847D A GB 1233847DA GB 1233847 A GB1233847 A GB 1233847A
Authority
GB
United Kingdom
Prior art keywords
steels
atmosphere
heat
hydrogen
martensitic
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
Other languages
English (en)
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 filed Critical
Publication of GB1233847A publication Critical patent/GB1233847A/en
Expired legal-status Critical Current

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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76—Adjusting the composition of the atmosphere

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
GB1233847D 1968-06-28 1969-05-12 Expired GB1233847A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74085068A 1968-06-28 1968-06-28

Publications (1)

Publication Number Publication Date
GB1233847A true GB1233847A (it) 1971-06-03

Family

ID=24978340

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1233847D Expired GB1233847A (it) 1968-06-28 1969-05-12

Country Status (4)

Country Link
BE (1) BE735024A (it)
DE (1) DE1932382A1 (it)
FR (1) FR2011766A1 (it)
GB (1) GB1233847A (it)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009149903A1 (de) * 2008-06-13 2009-12-17 Loi Thermoprocess Gmbh Verfahren zum hochtemperatur-glühen von kornorientiertem elektroband in einer schutzgasatmospäre in einem wärmebehandlungsofen
US7867344B2 (en) 2004-07-15 2011-01-11 Nippon Steel Corporation Hot pressing method for high strength member using steel sheet and hot pressed parts

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4334938A (en) * 1980-08-22 1982-06-15 Air Products And Chemicals, Inc. Inhibited annealing of ferrous metals containing chromium
DE3826729A1 (de) * 1988-08-05 1990-02-15 Krauss Maffei Ag Verfahren zur waermebehandlung eines hochlegierten chromstahls
FR2660744B1 (fr) * 1990-04-04 1994-03-11 Air Liquide Four a cloches.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7867344B2 (en) 2004-07-15 2011-01-11 Nippon Steel Corporation Hot pressing method for high strength member using steel sheet and hot pressed parts
WO2009149903A1 (de) * 2008-06-13 2009-12-17 Loi Thermoprocess Gmbh Verfahren zum hochtemperatur-glühen von kornorientiertem elektroband in einer schutzgasatmospäre in einem wärmebehandlungsofen

Also Published As

Publication number Publication date
DE1932382A1 (de) 1970-02-05
FR2011766A1 (it) 1970-03-06
BE735024A (it) 1969-12-23

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees