SA516Gr70(R-HIC)

SA516Gr70(R-HIC) Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S	Ni	Nb	Al	Ca	O
厚度8~165mm	Minimum Value	-	0.15	0.85	-	-	-	-	0.02	0.0015	-
厚度8~165mm	Maximum Value	0.23	0.4	1.2	0.015	0.003	0.4	0.03	-	0.003	0.003

SA516Gr70(R-HIC) Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
485~620	≥260	L0=50mm: ≥21 L0=200mm: ≥17	Thickness Direction Performance ψZ%: Average value ≥35 Individual value ≥25	≤200	-30°C: Average ≥34 Single value ≥24

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