SB450M - JIS G 3103-2019 - H2ABC

中文版

Grade	SB450M
Corresponding Standard	JIS G 3103-2019 Carbon Steel and Molybdenum Alloy Steel Plates for Boilers and Pressure Vessels
Classification	Alloy Steel

SB450M Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Ti ^*	V ^*	Nb ^*	B
厚度t≤25	Minimum Value	-	0.15	-	-	-	-	-	-	0.45	-	-	-	-
厚度t≤25	Maximum Value	0.18	0.4	0.9	0.02	0.02	0.3	0.4	0.4	0.6	0.03	0.03	0.02	0.001

	Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Ti ^*	V ^*	Nb ^*	B
厚度25<t≤50	Minimum Value	-	0.15	-	-	-	-	-	-	0.45	-	-	-	-
厚度25<t≤50	Maximum Value	0.21	0.4	0.9	0.02	0.02	0.3	0.4	0.4	0.6	0.03	0.03	0.02	0.001

	Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Ti ^*	V ^*	Nb ^*	B
厚度50<t≤100	Minimum Value	-	0.15	-	-	-	-	-	-	0.45	-	-	-	-
厚度50<t≤100	Maximum Value	0.23	0.4	0.9	0.02	0.02	0.3	0.4	0.4	0.6	0.03	0.03	0.02	0.001

	Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Ti ^*	V ^*	Nb ^*	B
厚度100<t≤150	Minimum Value	-	0.15	-	-	-	-	-	-	0.45	-	-	-	-
厚度100<t≤150	Maximum Value	0.25	0.4	0.9	0.02	0.02	0.3	0.4	0.4	0.6	0.03	0.03	0.02	0.001

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