SM490C - Q/BQB 130-2003

Grade	SM490C
Corresponding Standard	Q/BQB 130-2003
Classification	Carbon Steel

SM490C Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S	Nb
适用成品板厚2~5mm	Minimum Value	0.12	-	0.5	-	-	-
适用成品板厚2~5mm	Maximum Value	0.21	0.25	1	0.035	0.035	0.04

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.

SM490C Corresponding Standards(Same grade name, different standards)

1	JIS G 3106-2008
	SM490C
2	Q/ASB 271-2017
	SM490C
3	Q/ASB 320-2017
	SM490C
4	Q/BQB 303-2018
	SM490C
5	Q/BQB 130-2003
	SM490C

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