Metal treatment – Stock – Ferrous
Patent
1992-11-09
1994-08-23
Yee, Deborah
Metal treatment
Stock
Ferrous
148326, 420 64, C22C 3832
Patent
active
053404149
ABSTRACT:
A heat-resistant ferritic cast steel member composed of 0.05 to 0.25 wt % of C, 0.3 to 2.0 wt % of Si, 0.2 to 1.0 wt % of Mn, not more than 0.05 wt % of P, not more than 0.05 wt % of of S, 16 to 20 wt % of Cr, 0.5 to 1.5 wt % of Nb, 0.02 to 0.15 wt % of B and balance to 100 of Fe is cast in a lost model made of foamed polymethyl methacrylate.
REFERENCES:
patent: 3798075 (1974-03-01), Bendel
Asai Hiroshi
Morimoto Shigenori
Omori Motofumi
Shibahara Masahiko
Takeshige Nobuhide
Mazda Motor Corporation
Yee Deborah
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