Brief introduction of Japanese standard SM400ZL steel plate

SM400ZL steel plate is Japanese standard steel for the converter shell. The negative deviation of SM400ZL steel plate thickness is limited to -0.25mm.

Melting analysis of chemical composition of SM400ZL steel plate:

Grade	C	Si	Mn	P	S	A1t	Nb	V	Ti	Mo	N (ppm)
SM400ZL	0.07-0.11	0.15-0.35	0.90-1.15	≤0.02	≤0.015	0.02-0.05	0.015-0.03	0.020-0.035	0.010-0.025	0.20-0.3	≤100

SM400ZL steel plate delivery condition: normalized, SM400ZL impact temperature 0℃, thickness 8-200mm.

Mechanical properties of SM400ZL steel plate, SM400ZL tensile test:

Grade	Thickness	Tensile Test			Charpy V-Impact Test
	(mm)	Yield strength	Tensile strength	Elongation	Impact Energy Akv, J, Longitudinal			Room Temperature Aging Impact Energy Akvs, Longitudinal, J
		Re, MPa	Rm, MPa	%	0℃	-20℃	-40℃
SM400ZL	≤16	≥245	400-540	≥22	≥47	―	―	―
	>16-40	≥235
	>40-75	≥215
	>75-100	≥215
	>100-160	≥205
	>160-200	≥195

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