331C40 - BS 3100-1991

牌号	331C40
對應标準	BS 3100-1991 一般工程用鑄鋼件 Specification for Steel castings for general engineering purposes
歸類	鑄鋼
性能	耐腐蝕
标簽	耐熱不鏽鑄鋼

331C40 化學元素成分含量(%)

成分	C	Si	Mn	P	S	Cr	Ni	Mo
最小值	0.35	-	-	-	-	17	37	-
最大值	0.55	1.5	2	0.04	0.04	21	41	1.5

碳當量計算

331C40 機械性能

熱處理或狀态	抗拉強度 σ_b Mpa	斷後伸長率或延伸率 δ %
As cast	≥450	≥3

A=for anneal by heating to a temperature above the AC3 and cool in the furnace
N=for normalize by heating to a temperature above the AC3 and cool in still air
OQ=for quench into oil from a temperature above the AC3
WQ=for quench into water from a temperature above the AC3
AH=for air harden by heating to a temperature above the AC3 and cool in air at a rate fast enough to produce a hardened microstructure
T=for temper by heating to a temperature below AC1
ST=for solution treat by heating to temperature high enough to dissolve and any intermetallic phases followed by a rapid cool.

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