High-strength welded structural steel SM490YA steel plate

SM490YA steel plate executive standard: JIS G3106-2004.

SM490YA steel sheet delivery condition: hot rolled, normalized, quenched + tempered or tempered.

Chemical composition and melting analysis of SM490YA steel plate:

Grade	Thickness	C	Si	Mn	P	S
SM490YA	≤100mm	≤0.20	≤0.55	≤1.65	≤0.035	≤0.035

Mechanical properties of SM490YA steel plate:

Grade	Yield point or yield strength, N/m㎡				Tensile strength		Elongation
	Thickness mm				Thickness mm		Thickness mm	%
	≤16	16<t≤40	40<t≤75	75<t≤100	≤100	100<t≤200
SM490YA	≥365	≥355	≥335	≥325	490-610	-	≤5	≥19
							5<t≤16	≥15
							5<t≤50	≥19
							>40	≥21

SM490YA Japanese standard hot-rolled steel is high-strength welded structural steel, used for bridges, ships, vehicles, oil storage tanks, containers and other structural parts that require excellent welding performance, general welded containers.

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