NM400 Wear-resistant Steel Plate

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04-Sep-2024

NM400 wear-resistant steel plate is an abrasion resistant plate with a hardness of 400 HBW, intended for applications where demands are imposed on abrasion resistance in combination with good cold bending properties. NM400 wear-resistant steel plate offers very good weldability.

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The application of NM400 wear-resistant steel plate

GBT 24186 NM400 wear-resistant steel plates are widely used in thermal power plant and coal yards.

NM400 wear-resistant steel plate Chemical Compositiom
Plate	C	Si	Mn	P	S	Cr	Ni	Mo	B	CEV	CET
thickness mm	max %	max %	max %	max %	max %	max %	max %	max %	max %	typv	typv
3-（8）	0.15	0.7	1.6	0.025	0.01	0.3	0.25	0.25	0.004	0.33	0.23
8-20	0.15	0.7	1.6	0.025	0.01	0.5	0.25	0.25	0.004	0.37	0.27
（20）-32	0.18	0.7	1.6	0.025	0.01	1	0.25	0.25	0.004	0.48	0.29
（32）-45	0.22	0.7	1.6	0.025	0.01	1.4	0.5	0.6	0.004	0.57	0.31
（45）-51	0.22	0.7	1.6	0.025	0.01	1.4	0.5	0.6	0.004	0.57	0.38
（51）-80	0.27	0.7	1.6	0.025	0.01	1.4	1	0.6	0.004	0.65	0.41
（80）-130	0.32	0.7	1.6	0.025	0.01	1.4	1.5	0.6	0.004	0.73	0.48

Plate thickness below 4 mm only after special agreement
CEV = C+Mn/6+(Cr+Mo+V)/5+(Cu+Ni)/15
CET = C +（Mn+Mo）/10+( Cr+ Cu)/20+ Ni/40

Mechanical properties of NM400 wear-resistant steel plate
Grade	Mechanical Property			Charpy V Impact Test
NM400	Yield	Tensile	Elongation	Degree	longitudinal
	Min Mpa	Mpa	Min %	-40	J
	1000	1250	10	-40	45

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