Title:
溶射成形された窒素添加鋼、該鋼を製造する方法、および該鋼から製造された複合材料
Document Type and Number:
Japanese Patent JP2004501276
Kind Code:
A
Abstract:
Nitrogen alloyed steel produced by spray compacting contains (in wt.%): 0.8-2.5 C, 0.03-0.75 N, 0.15-1.8 Mn, not more than 1.0 P, not more than 0.03 S, not more than 0.05 S, 5.0-11.5 Cr, 0.5-6.0 Mo, not more than 4.0 V, not more than 4.0 Nb, not more than 3.5 W, not more than 0.005 O2, and optionally further alloying components and a balance of iron and the usual impurities. Independent claims are also included for: (a) a process for the production of the steel comprising spray compacting the steel using nitrogen as the spray gas; heat treating at up to 1150[deg] C; cooling; heating to the austenitic temperature of 1075-1225[deg] C; quenching; and annealing at 150-625[deg] C; and (b) a composite material containing the steel.
Inventors:
Ernst, Claudia
Schuler, Volker
Gärike, Bernd
Schluff, Inn Golf
Schuler, Volker
Gärike, Bernd
Schluff, Inn Golf
Application Number:
JP2001576958A
Publication Date:
January 15, 2004
Filing Date:
April 18, 2001
Export Citation:
Assignee:
Edelstahl Witten-Krefeld Gesellschaft Mitt Beschlenktel Haftung
International Classes:
B22D23/00; B22F3/115; C22C1/10; C22C33/02; C21D6/00; C22C33/04; C22C38/00; C22C38/22; C22C38/24; C22C38/26; C22C38/36; C22C38/60; C23C4/12; C23C4/123; (IPC1-7): C22C38/00; C21D6/00; C22C33/04; C22C38/60
Domestic Patent References:
| JPH0978199A | 1997-03-25 | |||
| JPS63169361A | 1988-07-13 | |||
| JPH04266475A | 1992-09-22 | |||
| JPH06145886A | 1994-05-27 | |||
| JPH01309737A | 1989-12-14 | |||
| JPH11335791A | 1999-12-07 | |||
| JPS621849A | 1987-01-07 | |||
| JPH116041A | 1999-01-12 |
Foreign References:
| WO1999050469A1 | 1999-10-07 | |||
| WO1998040180A1 | 1998-09-17 |
Attorney, Agent or Firm:
Takashi Ishida
Jun Tsuruta
Masaya Nishiyama
Higuchi Souji
Jun Tsuruta
Masaya Nishiyama
Higuchi Souji