SB410 - Q/BQB 130-2003

Grade	SB410
Corresponding Standard	Q/BQB 130-2003
Classification	Carbon Steel

SB410 Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S
适用成品板厚6~15mm	Minimum Value	0.1	0.1	0.4	-	-
适用成品板厚6~15mm	Maximum Value	0.19	0.35	0.9	0.035	0.03

	Component	C	Si	Mn	P	S
适用成品板厚＞15~35mm	Minimum Value	0.15	0.1	0.45	-	-
适用成品板厚＞15~35mm	Maximum Value	0.24	0.35	0.95	0.035	0.03

	Component	C	Si	Mn	P	S
适用成品板厚＞35~50mm	Minimum Value	0.16	0.1	0.5	-	-
适用成品板厚＞35~50mm	Maximum Value	0.25	0.35	1	0.03	0.03

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.

SB410 Corresponding Standards(Same grade name, different standards)

1	JIS G 3103-2019
	SB410
2	Q/BQB 130-2003
	SB410

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