S20C - Q/BQB 130-2003

Grade	S20C
Corresponding Standard	Q/BQB 130-2003 Primary Rolled Slabs
Classification	Carbon Steel

S20C Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S	Cr	Cu	More
适用成品板厚1.6~6mm	Minimum Value	0.18	0.15	0.3	-	-	-	-	Ni+Cr≤0.35
适用成品板厚1.6~6mm	Maximum Value	0.23	0.35	0.6	0.03	0.035	0.2	0.3	Ni+Cr≤0.35

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.

S20C Corresponding Standards(Same grade name, different standards)

1	JIS
	S20C
2	JIS G 4051-2005
	S20C
3	JIS G 4051-2016
	S20C
4	Q/BQB 517-2018
	S20C
5	Q/ASB 271-2017
	S20C
6	Q/BQB 615-2009
	S20C
7	Q/BQB 615-2018
	S20C
8	Q/BQB 130-2003
	S20C

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