Alloys or metallic compositions – Containing over 50 per cent metal but no base metal – Iron containing
Patent
1989-10-26
1991-05-28
Dean, R.
Alloys or metallic compositions
Containing over 50 per cent metal but no base metal
Iron containing
C22C 3000
Patent
active
050193384
ABSTRACT:
An alloy for building up a valve according to the present invention comprises: with respect to the total weight of the alloy taken as 100%, 30 to 40% by weight of chromium; 15 to 31% by weight of nickel; 7 to 20% by weight of molybdenum; 0.7 to 2.2% by weight of carbon; 1.5% or less by weight of silicon; and balance of iron and inevitable impurities. The alloy is superior in hardness at high temperatures, PbO resistance and PbO+PbSO.sub.4 resistance. In addition, the alloy is suitable for powder buildup welding.
REFERENCES:
patent: 4609401 (1986-09-01), Simm et al.
Hidaka Kensuke
Koyama Mototsugu
Nagai Syozo
Nakagawa Masahiro
Oishi Shinji
Dean R.
Fukuda Metal Foil and Powder Co., Ltd.
Schumaker David W.
Toyota Jidosha & Kabushiki Kaisha
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