B440HP - Q/BQB 130-2003

Grade	B440HP
Corresponding Standard	Q/BQB 130-2003
Classification	Carbon Steel

B440HP Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S	Al
适用成品板厚≤6mm	Minimum Value	0.13	-	0.6	-	-	0.01
适用成品板厚≤6mm	Maximum Value	0.22	0.05	1.1	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.

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