SM490C - JIS G 3106-2008

Grade	SM490C
Corresponding Standard	JIS G 3106-2008 Rolled steels for welded structure
Classification	Carbon Steel

SM490C Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S
厚度≤100	Minimum Value	-	-	-	-	-
厚度≤100	Maximum Value	0.18	0.55	1.65	0.035	0.035

SM490C Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
t≤16	490~610	≥325
16<t≤40	490~610	≥315
40<t≤100	490~610	≥295
100<t≤160	490~610	-
160<t≤200	490~610	-
t≤5			No.5 ≥22
5<t≤16			No.1A ≥17
16<t≤50			≥21
t>40			No.4 ≥23

1 Approximate Comparison Table Structural, pressure vessel and engineering steels

China	Japan	United States	International Organization for Standardization	Germany	France	European Standard		Russia
GB	JIS	ASTM	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade	GOST
Q420D	SM490A SM490C	A255Gr.D A633E	E420	StE420	E420R	S420N FeE420KGN	1.8902	16G2AF

2 Approximate Comparison Table

China	Japan	United States	International Organization for Standardization	Germany		France	European Standard		Russia	Sweden	United Kingdom
GB	JIS	AISI	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	EN	Numerical Grade	GOST	SS	BS EN/BS
16Mn	SM490 SM490C SS490C	1024 Gr.50type1-4	Fe510D	St52-3 St52-3N	1.0570	E36-3	S355J2(+N) Fe510D1① S355J2G3①	1.0570(dubl)	17G1S 17GS S345	2135-01	50D 50C

SM490C Corresponding Standards(Same grade name, different standards)

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