Grade 8 - ASTM A334/A334M-2004(R2021)

Grade	Grade 8
Corresponding Standard	ASTM A334/A334M-2004(R2021) Seamless and Welded Carbon and Alloy-Steel Tubes for Low-Temperature Service
Classification	Alloy Steel

Grade 8 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Ni
Minimum Value	-	0.13	-	-	-	8.4
Maximum Value	0.13	0.32	0.9	0.025	0.025	9.6

Grade 8 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
≥690	≥520	≥22	-195°C ≥18

Grade8 Corresponding Standards(Same grade name, different standards)

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