Grade LC9 J31300 - ASTM A352/A352M-2021

牌号	Grade LC9
美国UNS	J31300
对应标准	ASTM A352/A352M-2021 低温用铁素体及马氏体铸钢承压件 Steel Castings, Ferritic and Martensitic, for Pressure- Containing Parts, Suitable for Low-Temperature Service
归类	碳钢
标签	合金钢铸件

Grade LC9 化学元素成分含量(%)

成分	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V
最小值	-	-	-	-	-	-	8.5	-	-	-
最大值	0.13	0.45	0.9	0.04	0.045	0.5	10	0.3	0.2	0.03

碳当量计算

Grade LC9 机械性能

抗拉强度 σ_b Mpa	屈服点 σ_s Mpa	断后伸长率或延伸率 δ %	断面收缩率 ψ %	冲击吸收能量 KV2 J
≥585	≥515 ⓐ	≥20ⓑ	≥30	-196°C: ≥27

ⓐ Determine by either 0.2 % offset method or 0.5 % extension-under-load method.
ⓑ When ICI test bars are used in tensile testing as provided for in Specification A703/A703M, the gage length to reduced section diameter ratio shall be 4 to 1.

注：数据仅供参考！如有疑问，请填写"我要纠错"！