09CuPCrNi-B - TB /T 1979-2003

Grade	09CuPCrNi-B
Corresponding Standard	TB /T 1979-2003 Technical Specification for The Procurement of Atmospheric Corrosion Resisting Steel for Railway Rolling Stock
Classification	Alloy Steel

09CuPCrNi-B Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu
Minimum Value	-	0.1	0.2	0.06	-	0.3	0.25	0.25
Maximum Value	0.12	0.4	0.5	0.12	0.02	0.65	0.5	0.45

09CuPCrNi-B 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 Rolling	≥431	≥295	≥24
t＞6	Hot Rolling	≥431	≥295	≥24	t ≥ 12: Room Temperature: ≥47 -40°C: ≥21
t≤4	Cold Rolling	≥402	≥265	≥27

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

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