E 275B Fe 430B - ISO 630-1995

Grade	E 275B
Old Grade
Corresponding Standard	ISO 630-1995(Amd1:2003) Structural Steels--Plates,Wide Flats,bars,Sections and Profiles
Classification	Carbon Steel

E 275B Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S
厚度t≤40 NE	Minimum Value	-	-	-	-	-
厚度t≤40 NE	Maximum Value	0.21	0.4	1.5	0.45	0.45

	Component	C	Si	Mn	P	S
厚度t>40 NE	Minimum Value	-	-	-	-	-
厚度t>40 NE	Maximum Value	0.22	0.4	1.5	0.45	0.45

E 275B Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
t≤16	410~540	≥275	≥22
16＜t≤40	410~540	≥265	≥22
40＜t≤63	410~540	≥255	≥21
63＜t≤80	410~540	≥245	≥20
80＜t≤100	410~540	≥235	≥20
100＜t≤150	410~540	≥225	≥18
150＜t≤200	410~540	≥215	≥17

1 Approximate Comparison Table Carbon Structural Steel and Engineering Steel

China	Japan	United States	International Organization for Standardization	Germany	France	European Standard		Russia	Sweden	United Kingdom
GB	JIS	ASTM	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade	GOST	SS	BS EN/BS
Q225A Q275Z	SS400	A283D A529 Gr.D	E275B	RSt42-2 St 44-2	E28-2	S275JR Fe430B①	1.0044	St4ps St4sp	1411 1412	161-430 43A 43B

2 Approximate Comparison Table Carbon Structural Steel and Engineering Steel

China		Japan	United States	International Organization for Standardization	European Standard
GB	ISC	JIS	ASTM/AISI	ISO	EN	Numerical Grade
Q275B (GB/T 700-2006)	U12753	SM490A (JIS G3106:2004)	Gr.70[290] (ASTM A573/A573M:2000)	E275B (ISO 630:1995)	S275JR (EN 10025-2:2004)	1.0044

E275B Corresponding Standards(Same grade name, different standards)

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