St 50-2 - Q/BQB 130-2003

Grade	St 50-2
Corresponding Standard	Q/BQB 130-2003
Classification	Carbon Steel

St 50-2 Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S
适用成品板厚<10mm	Minimum Value	0.21	0.12	0.45	-	-
适用成品板厚<10mm	Maximum Value	0.3	0.35	0.95	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.

St50-2 Corresponding Standards(Same grade name, different standards)

1	DIN 17100-1980
	St50-2 1.0050 (1.0532)
2	DIN 1652-1963
	St50-2 1.0533
3	DIN 1652-2-1990
	St50-2 1.0050
4	Q/BQB 130-2003
	St 50-2

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