09CuPCrNi-A - GB 4171-1984

Grade	09CuPCrNi-A
Corresponding Standard	GB 4171-1984 Superlor Antomspheric Corrosion Resisting Structual Steel
Classification	Alloy Steel

09CuPCrNi-A Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu
Minimum Value	-	0.25	0.2	0.07	-	0.3	-	0.25
Maximum Value	0.12	0.75	0.5	0.15	0.04	1.25	0.65	0.55

09CuPCrNi-A Mechanical Properties

thickness t mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
t ≤ 6 (Hot Rolled)		≥480	≥343	≥22
t > 6 (Hot Rolled)		≥480	≥343	≥22
t ≤ 2.5 (Cold Rolled)		≥451	≥314	≥26
12 ≤ t ≤ 16 (Longitudinal)	Temperature 0°C				≥28

New and Old Grade Replacement List

Approximate Comparison Table Structural Alloy Steel

China	Japan	United States	International Organization for Standardization	Germany	France	European Standard		United Kingdom
GB	JIS	ASTM	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade	BS EN/BS
09CuPCrNi-A	SPA-H	Gr.1	Fe355W-1A	9CrNiCuP324	E36WA3	S355J0WP Fe510C1KI	1.8945	WR50A WR50B WR50C

09CuPCrNi-A Corresponding Standards(Same grade name, different standards)

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