A707 Grade L3 Class1 - ASTM A707/A707M-2019 - H2ABC

中文版

Grade	A707 Grade L3 Class1
Corresponding Standard	ASTM A707/A707M-2019 Forged Carbon and Alloy Steel Flanges for Low- Temperature Service
Classification	Carbon Steel

A707 Grade L3 Class1 Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S	Cr	Ni	Cu ^*	Mo	N	V	Nb
熔炼分析	Minimum Value	-	-	1.15	-	-	-	-	-	-	0.01	0.04	-
熔炼分析	Maximum Value	0.22	0.3	1.5	0.025	0.025	0.3	0.4	0.2	0.12	0.03	0.11	0.02

	Component	C	Si	Mn	P	S	Cr	Ni	Cu ^*	Mo	N	V	Nb
成品分析	Minimum Value	-	-	1.05	-	-	-	-	-	-	0.005	0.03	-
成品分析	Maximum Value	0.25	0.32	1.6	0.03	0.035	0.34	0.43	0.18	0.13	0.035	0.13	0.03

A707 Grade L3 Class1 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
≥415	≥290	≥22	≥40	149~207	-50°F (-46°C) Average of 3 samples: ≥41 Single sample: ≥33

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