SM400B - JIS G 3106-2008

Grade	SM400B
Corresponding Standard	JIS G 3106-2008 Rolled steels for welded structure
Classification	Carbon Steel

SM400B Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S
厚度≤50	Minimum Value	-	-	0.6	-	-
厚度≤50	Maximum Value	0.2	0.35	1.5	0.035	0.035

	Component	C	Si	Mn	P	S
<50厚度≤200	Minimum Value	-	-	0.6	-	-
<50厚度≤200	Maximum Value	0.22	0.35	1.5	0.035	0.035

SM400B Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
t≤16	400~510	≥245
16<t≤40	400~510	≥235
40<t≤100	400~510	≥215
100<t≤160	400~510	-
160<t≤200	400~510	-
t≤5			No.5 ≥23
5<t≤16			No.1A ≥18
16<t≤50			≥22
t>40			No.4 ≥24

1 Approximate Comparison Table

2 Approximate Comparison Table

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
Q235C	SM400B	A284C A284D	E235C	St37-3U	E24-3	S235J0 Fe360C	1.0114	St3ps St3sp	1312	40C

3 Approximate Comparison Table

4 Approximate Comparison Table

China		Japan	United States	International Organization for Standardization	European Standard
GB	ISC	JIS	ASTM/AISI	ISO	EN	Numerical Grade
Q235D (GB/T 700-2006)	U12359	SM400B (JIS G3106:2004)	Gr.65[240] (ASTM A283/A283M:2003)	E235D (ISO 630:1995)	S235J2 (EN 10025-2:2004)	1.0117

SM400B Corresponding Standards(Same grade name, different standards)

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