ATE71153T1 - PROCESS FOR HARDENING A CYLINDRICAL TUBE OF STEEL. - Google Patents

PROCESS FOR HARDENING A CYLINDRICAL TUBE OF STEEL.

Info

Publication number
ATE71153T1
ATE71153T1 AT89730122T AT89730122T ATE71153T1 AT E71153 T1 ATE71153 T1 AT E71153T1 AT 89730122 T AT89730122 T AT 89730122T AT 89730122 T AT89730122 T AT 89730122T AT E71153 T1 ATE71153 T1 AT E71153T1
Authority
AT
Austria
Prior art keywords
hardening
steel
cylindrical tube
cylindrical
tube
Prior art date
Application number
AT89730122T
Other languages
German (de)
Inventor
Wolfgang Dipl-Ing Hengstenberg
Wilhelm Luedecke
Christoph Dr Ing Prasser
Hagen Ingo Dr Ing Von
Klaus Dr Ing Prochaska
Original Assignee
Mannesmann Ag
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
Priority claimed from DE19883818878 external-priority patent/DE3818878A1/en
Priority claimed from DE3900995A external-priority patent/DE3900995A1/en
Application filed by Mannesmann Ag filed Critical Mannesmann Ag
Application granted granted Critical
Publication of ATE71153T1 publication Critical patent/ATE71153T1/en

Links

AT89730122T 1988-06-01 1989-05-16 PROCESS FOR HARDENING A CYLINDRICAL TUBE OF STEEL. ATE71153T1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19883818878 DE3818878A1 (en) 1988-06-01 1988-06-01 Process for hardening a cylindrical hollow steel body
DE3900995A DE3900995A1 (en) 1988-06-01 1989-01-11 METHOD FOR HARDENING A CYLINDRICAL HOLLOW BODY
EP89730122A EP0345205B1 (en) 1988-06-01 1989-05-16 Method for tempering a hollow cylindrical steel product

Publications (1)

Publication Number Publication Date
ATE71153T1 true ATE71153T1 (en) 1992-01-15

Family

ID=27197730

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89730122T ATE71153T1 (en) 1988-06-01 1989-05-16 PROCESS FOR HARDENING A CYLINDRICAL TUBE OF STEEL.

Country Status (1)

Country Link
AT (1) ATE71153T1 (en)

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Legal Events

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