Special Steel Bars AISI5140/4140/4115/4340/SCM440/SCM415/SNCM439/ according to standard of GB,ASTM,DIN,JIS, Fine Grained Structural Steels Bars (DIN 17102, SEW 089)

Steel Grade				Chemical composition in % by wt (ladle analysis)
DIN		AISI No SAE No	JIS	C	Si	Mn	≤P	≤S	≤N	≤Al	≤Cr	≤Cu	≤Mo	≤Ni	≤Nb	≤Ti	≤V	≤Nb+Ti+V
Code Number	Material Number
StE 255	1.0461	—	—	0.18	≤0.4	0.5—1.3	0.035	0.030	0.020	0.020	0.3   Cr+Cu+Mo ≤0.45	0.2                                     Cr+Cu+ Mo ≤ 0.45	0.08                             Cr+Cu+ Mo ≤ 0.45	0.3	0.03	—	—	0.05
WStE 255	1.0462	—	—	0.18			0.035	0.030								—	—
TStE 255	1.0463	—	—	0.16			0.030	0.025								—	—
StE 285	1.0486	—	—	0.18		0.6—1.4	0.035	0.030								—	—
WSTE 285	1.0487	—	—	0.18			0.035	0.030								—	—
TStE 285	1.0488	—	—	0.16			0.030	0.025								—	—
StE 315	1.0505	—	—	0.18	≤0.45	0.7—1.5	0.035	0.030								—	—
WStE 315	1.0506	—	—	0.18			0.035	0.030								—	—
TStE 315	1.0508	—	—	0.16			0.030	0.025								—	—
StE 355	1.0562	—	—	0.20	0.1—0.5	0.9—1.65	0.035	0.030						0.3—0.85	0.05	—	0.1	0.12
WStE 355	1.0565	—	—	0.20			0.035	0.030								—
TStE 355	1.0566	—	—	0.18			0.030	0.025								—
StE 380	1.8900	—	—	0.20	0.1—0.6	1.0—1.7	0.035	0.030			0.3—0.7			1.0		0.2	0.2	0.22
WStE 380	1.8930	—	—	0.20			0.035	0.030
TStE 380	1.8910	—	—	0.20			0.030	0.025
StE 420	1.8902	—	—	0.20			0.035	0.030				0.2	0.10
WStE 420	1.8932	—	—	0.20			0.035	0.030
TStE 420	1.8912	—	—	0.20			0.030	0.025
StE 460	1.8905	—	—	0.20			0.035	0.030
WStE 460	1.8935	—	—	0.20			0.035	0.030
TStE 460	1.8915	—	—	0.20			0.030	0.025

 Sizes: Cold Drawn Bars:Dia.2-18mm ; Hot Rolled Bars: Dia. 13-360mm; Forged Bars: Dia.200-1500mm 

Other sizes are also available  to be discussed

Alloy Structrual Steel Bars