SM400A - Q/BQB 130-2003

Grade	SM400A
Corresponding Standard	Q/BQB 130-2003 Primary Rolled Slabs
Classification	Carbon Steel

SM400A Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S	Al
适用成品板厚>6~12.7mm	Minimum Value	0.1	-	0.6	-	-	0.01
适用成品板厚>6~12.7mm	Maximum Value	0.19	0.06	1.1	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.

SM400A Corresponding Standards(Same grade name, different standards)

1	JIS G 3106-2008
	SM400A
2	Q/ASB 271-2017
	SM400A
3	Q/ASB 320-2017
	SM400A
4	Q/BQB 303-2018
	SM400A
5	Q/BQB 130-2003
	SM400A

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