SAPH440 - Q/BQB 130-2003

Grade	SAPH440
Corresponding Standard	Q/BQB 130-2003
Classification	Carbon Steel

SAPH440 Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S	Al
适用成品板1.6~4.5mm	Minimum Value	0.13	-	0.7	-	-	0.01
适用成品板1.6~4.5mm	Maximum Value	0.21	0.06	1.2	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.

SAPH440 Corresponding Standards(Same grade name, different standards)

1	JIS G 3113-2018
	SAPH 440
2	Q/BQB 310-2014
	SAPH440
3	Q/BQB 130-2003
	SAPH440
4	Q/BQB 310-2023
	SAPH440

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