A5 铸钢-化学成分-物理机械性能-冲击性能-全球材料网

牌号	A5
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
标签	碳锰铸钢

A5 化学元素成分含量(%)

成分	C	Si	Mn	P	S
最小值	0.25	-	1.2	-	-
最大值	0.33	0.6	1.6	0.05	0.05

碳当量计算

A5 机械性能

热处理或状态	抗拉强度 σ_b Mpa	屈服点 σ_s Mpa	断后伸长率或延伸率 δ %	冲击吸收能量 KV2 J
(厚度≤100mm)N或N+T或OQ+T或WQ+T	620~770	≥370	≥13	≥25

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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