SM400C - Q/BQB 130-2003

Grade	SM400C
Corresponding Standard	Q/BQB 130-2003
Classification	Carbon Steel

SM400C Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S
适用成品板厚≤6mm	Minimum Value	0.12	0.04	0.25	-	-
适用成品板厚≤6mm	Maximum Value	0.21	0.3	0.75	0.035	0.035

	Component	C	Si	Mn	P	S
适用成品板厚>6~12mm	Minimum Value	0.12	0.04	0.45	-	-
适用成品板厚>6~12mm	Maximum Value	0.21	0.3	0.9	0.035	0.035

①Deoxidation method : C--Cap steel；A--aluminum-killed steel；G-aluminum--silicon killed steel；K--silicon killed steel
②For thick plates (thickness ≥ 15mm), the slabs should be aluminum-silicon killed steel slabs.

SM400C Corresponding Standards(Same grade name, different standards)

1	JIS G 3106-2008
	SM400C
2	Q/ASB 271-2017
	SM400C
3	Q/ASB 320-2017
	SM400C
4	Q/BQB 303-2018
	SM400C
5	Q/BQB 130-2003
	SM400C

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!