Grade LC3 J31550 - ASTM A352/A352M-2021

Grade	Grade LC3
USA UNS	J31550
Corresponding Standard	ASTM A352/A352M-2021 Steel Castings, Ferritic and Martensitic, for Pressure- Containing Parts, Suitable for Low-Temperature Service
Classification	Carbon Steel

Grade LC3 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Ni
Minimum Value	-	-	0.5	-	-	3
Maximum Value	0.15	0.6	0.8	0.04	0.045	4

Grade LC3 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Impact Energy Absorption KV2 J
485~655	≥275 ⓐ	≥24 ⓑ	≥35	-101°C: ≥20

Approximate Comparison Table Cast Steel

China	United States	International Organization for Standardization
GB	UNS	ISO	Numerical Grade
ZG012Ni4	J31550	G9Ni14	1.5638

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