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Home Material GB /T 24186-2022
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Grade NM400E
Corresponding Standard GB /T 24186-2022
High Strength Abrasion Resistant Steel Plates for Construction Machine
Classification Alloy Steel
NM400E Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo Ti B Al
Minimum Value - - - - - - - - - 0.0005 0.015
Maximum Value 0.25 0.7 1.6 0.02 0.005 1.2 0.7 0.6 0.05 0.006 -
NM400E Mechanical Properties
Thickness
t
mm		 Tensile Strength
σb
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW 		Impact Energy Absorption
KV2
J
t≤80 Transverse Tensile: 1200 Transverse Tensile: 10 Surface Hardness: 370~430HBW
Center Section Hardness: 330~430HBW		 -40°C: ≥ 24 (Longitudinal)
80＜t≤120 Transverse Tensile: 1200 Transverse Tensile: 10 Surface Hardness: 360~440HBW
Center Section Hardness: -		 -40°C: ≥ 21 (Longitudinal)

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