309C32

2023-05-17 16:30:07 来源：钢铁之家阅读量：0

牌号	309C32
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	耐热不锈铸钢有磁性

309C32 化学元素成分含量(%)

成分	C	Si	Mn	P	S	Cr	Ni	Mo	N
最小值	0.2	-	-	-	-	24	11	-	-
最大值	0.45	1.5	2.5	0.04	0.04	28	14	1.5	0.2

碳当量计算

309C32 机械性能

热处理或状态	抗拉强度 σ_b Mpa	断后伸长率或延伸率 δ %
As cast	≥560	≥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.

①For steel 309C32, test pieces are heat treated for 24h at 760°C±15°C and cooled in air

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