FR2194911A1 - Preparing steel for cold-working - by forming a lubricant-receiving ferrite surface layer - Google Patents

Preparing steel for cold-working - by forming a lubricant-receiving ferrite surface layer

Info

Publication number
FR2194911A1
FR2194911A1 FR7327282A FR7327282A FR2194911A1 FR 2194911 A1 FR2194911 A1 FR 2194911A1 FR 7327282 A FR7327282 A FR 7327282A FR 7327282 A FR7327282 A FR 7327282A FR 2194911 A1 FR2194911 A1 FR 2194911A1
Authority
FR
France
Prior art keywords
cold
working
lubricant
forming
surface layer
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.)
Withdrawn
Application number
FR7327282A
Other languages
French (fr)
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.)
SKF Industrial Trading and Development Co BV
Original Assignee
SKF Industrial Trading and Development Co BV
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 SKF Industrial Trading and Development Co BV filed Critical SKF Industrial Trading and Development Co BV
Publication of FR2194911A1 publication Critical patent/FR2194911A1/en
Withdrawn legal-status Critical Current

Links

Landscapes

  • Heat Treatment Of Steel (AREA)
  • Laminated Bodies (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Metal Extraction Processes (AREA)
  • Lubricants (AREA)

Abstract

Steel to be 'cold-worked' (at a temp. 500 degrees C) is rapidly cooled to a temp. 850 degrees C after the last hot-working operation, and then heated in a reducing atmosphere to reduce the seale formed on its surface to ferite, which is an excellent recipient of a lubricant used for cold-working. The method is esp. suitable for hammering bearingballs.
FR7327282A 1972-08-01 1973-06-25 Preparing steel for cold-working - by forming a lubricant-receiving ferrite surface layer Withdrawn FR2194911A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE998972 1972-08-01

Publications (1)

Publication Number Publication Date
FR2194911A1 true FR2194911A1 (en) 1974-03-01

Family

ID=20277976

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7327282A Withdrawn FR2194911A1 (en) 1972-08-01 1973-06-25 Preparing steel for cold-working - by forming a lubricant-receiving ferrite surface layer

Country Status (4)

Country Link
JP (1) JPS4953554A (en)
DE (1) DE2336715A1 (en)
ES (1) ES417411A1 (en)
FR (1) FR2194911A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0657551A1 (en) * 1993-12-13 1995-06-14 Ascometal Process for annealing products of high chrome manganese steel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0657551A1 (en) * 1993-12-13 1995-06-14 Ascometal Process for annealing products of high chrome manganese steel
FR2713661A1 (en) * 1993-12-13 1995-06-16 Ascometal Sa Annealing process for carbon steel steel products rich in chromium and manganese.

Also Published As

Publication number Publication date
DE2336715A1 (en) 1974-02-14
JPS4953554A (en) 1974-05-24
ES417411A1 (en) 1976-03-01

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Legal Events

Date Code Title Description
RE Withdrawal of published application