Alloys or metallic compositions – Ferrous – Nine percent or more chromium containing
Patent
1999-03-05
2000-09-12
Yee, Deborah
Alloys or metallic compositions
Ferrous
Nine percent or more chromium containing
420 38, 420 69, 420105, 420107, C22C 3822, C22C 3830, C22C 3844, C22C 3852
Patent
active
061173886
ABSTRACT:
Alloy steel containing 0.10 to 0.50 wt % of C, 0.5 wt % or less of Si, 1.5 wt % or less of Mn, 1.5 wt % or less of Ni, 3.0 to 13.0 wt % of Cr, 0 to 3.0 wt % of Mo, 1.0 to 8.0 wt % of W, 0.01 to 1.0 wt % of V, 0.01 to 1.0 wt % of Nb, 1.0 to 10.0 wt % of Co, 0.003 to 0.04 wt % of B, and 0.005 to 0.05 wt % of N, the balance comprising Fe and unavoidable impurities.
REFERENCES:
patent: 4171233 (1979-10-01), Vander Voort
Maeda Eiji
Shibata Takashi
The Japan Steel Works Ltd.
Yee Deborah
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