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SM520C steel plate technical parameters

Posted:2021-12-18 10:19:49

SM520C steel plate executive standard: JISG 3106.
SM520C steel plate heat treatment process: hot rolling, normalizing, quenching + tempering or tempering

Chemical composition of SM520C steel plate:

Grade	Thickness	C	Si	Mn	P	S
SM520C	≤100mm	≤0.20	≤0.55	≤1.65	≤0.035	≤0.035

Mechanical properties of SM520C steel plate:

Grade	Yield point or yield strength,N/m㎡				Tensile strength	Elongation
	Thickness (t) mm				Thickness (t) mm	Thickness (t) mm	%
	≤16	16<t≤40	40<t≤75	75<t≤100	≤100
SM520C	≥365	≥355	≥335	≥325	520-640	≤5	≥19
						5<t≤16	≥15
						5<t≤50	≥19
						>40	≥21

Brief introduction of SM520C steel plate:
SM520C steel plate is a Japanese industrial standard grade. It is a hot-rolled low-alloy high-strength plate with a strength σb of 520MPa. It is used for construction, bridges, ships, vehicles, engineering machinery and other structural parts that require excellent welding performance.