Title:
USE OF A STEEL ALLOY FOR PRODUCING HIGH-TENSILE SEAMLESS STEEL TUBES
Document Type and Number:
WIPO Patent Application WO2001016391
Kind Code:
A3
Abstract:
The invention relates to the use of a steel alloy that contains (in % by weight):C 0.12-0.25 %; Si
Inventors:
VON HAGEN INGO (DE)
NIEDERHOFF KURT (DE)
KOSCHLIG BERNHARD (DE)
PARDUN MARKUS (DE)
NIEDERHOFF KURT (DE)
KOSCHLIG BERNHARD (DE)
PARDUN MARKUS (DE)
Application Number:
PCT/DE2000/002787
Publication Date:
August 30, 2001
Filing Date:
August 14, 2000
Export Citation:
Assignee:
MANNESMANN AG (DE)
VON HAGEN INGO (DE)
NIEDERHOFF KURT (DE)
KOSCHLIG BERNHARD (DE)
PARDUN MARKUS (DE)
VON HAGEN INGO (DE)
NIEDERHOFF KURT (DE)
KOSCHLIG BERNHARD (DE)
PARDUN MARKUS (DE)
International Classes:
C21D9/08; C22C38/12; C22C38/22; C22C38/24; C22C38/38; C21D8/10; (IPC1-7): C22C38/22; C21D9/08; C22C38/24; C22C38/38
Domestic Patent References:
| WO1998031843A1 | 1998-07-23 |
Foreign References:
| DE4446709A1 | 1996-06-27 | |||
| US5454883A | 1995-10-03 |
Other References:
PATENT ABSTRACTS OF JAPAN vol. 017, no. 442 (C - 1097) 16 August 1993 (1993-08-16)
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 11 28 November 1997 (1997-11-28)
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 11 28 November 1997 (1997-11-28)
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