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Spectro >> Useful Info >> Traditional Structural Steels

Comparative Data for Traditional Structural Steels (Ladle Analysis)

European Standard	German Standard	UK Standard	US Standard	STEEL TYPE	Chemical Composition ( % m/m)					Mechanical Properties
EN 10025	DIN 17100	BS 4360	ASTM	NFA 35-501	C (1)	Mn	Si	S	P	Yield min.	Tensile Strength (2)
S185	St33		A283B	A33
S235JR	St37-2	40B	A283C-A		0.17 max	1.40 max	-	0.045	0.045	235	360/510
S235JO	St37-3U	40C	-	E 24-2	0.17 max	1.40 max	-	0.040	0.040	235	360/510
S235J2	St37-3N	40D	-	E 24-4	0.17 max	1.40 max	-	0.035	0.035	235	360/510
S275JR	St44-2	40B	A283D-A	E 28-2	0.21 max	1.50 max	-	0.035 max	0.035 max	275	410/580
S275JO	St44-3 U	40C	A578Gr7C	E 28-3	0.18 max	1.50 max	-	0.030 max	0.030 max	275	410/580
S275J2	St44-3 N	40D	-	E 28-4	0.18 max	1.50 max	-	0.025 max	0.025 max	275	410/580
S355JR		50B	-	E 36-2	0.24 max	1.60 max	0.55 max	0.035 max	0.035 max	355	470/630
S355JO	St52-3 U	50C	-	E 36-3	0.20 max	1.60 max	0.55 max	0.030 max	0.030 max	355	470/630
S355J2	St52-3 N	50D	A441	E 36-4	0.20 max	1.60 max	0.55 max	0.025 max	0.025 max	355	470/630
S355K2		50DD			0.20 max	1.60 max	0.55 max	0.025 max	0.025 max	355	470/630
S450J2		55C			0.20 max	1.70 max	0.55 max	0.030 max	0.030 max	450	550/720

(1) For Thickness > 16 mm & < 40 mm
(2) For Thickness > 2 mm & < 100 mm

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