St 33 - Q/BQB 130-2003

Grade	St 33
Corresponding Standard	Q/BQB 130-2003
Classification	Carbon Steel

St 33 Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S	Al
适用成品板厚≤13mm	Minimum Value	0.03	-	0.15	-	-	0.01
适用成品板厚≤13mm	Maximum Value	0.12	0.08	0.65	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.

St33 Corresponding Standards(Same grade name, different standards)

1	DIN 17100-1980
	St33 1.0035
2	Q/BQB 130-2003
	St 33

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