490 U34902 - GB /T 5312-2009

Grade	490
China ISC	U34902
Corresponding Standard	GB /T 5312-2009 Carbon and Carbon-Manganese Steel Seamless Steel Tubes and Pipes for Ship
Classification	Carbon Steel

490 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	More
Minimum Value	-	-	0.8	-	-	-	-	-	-	Cr+Mo+Ni+Cu≤0.70
Maximum Value	0.23	0.35	1.5	0.025	0.02	0.25	0.3	0.3	0.1	Cr+Mo+Ni+Cu≤0.70

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