302C35 - BS 3100-1991

牌号	302C35
对应标准	BS 3100-1991 一般工程用铸钢件 Specification for Steel castings for general engineering purposes
归类	铸钢
性能	耐腐蚀
标签	耐热不锈铸钢

302C35 化学元素成分含量(%)

成分	C	Si	Mn	P	S	Cr	Ni	Mo
最小值	0.2	-	-	-	-	17	6	-
最大值	0.4	2	2	0.05	0.05	22	10	1.5

碳当量计算

302C35 机械性能

热处理或状态	抗拉强度 σ_b	屈服点 σ_s	断后伸长率或延伸率 δ %	硬度 HBW	冲击吸收能量 KV2 J
N或N+T或QQ+T或WQ+T	540~690	≥320	≥16	152~207	≥30

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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