NM400E is a kind of ultra-low temperature wear-resistant steel with high strength, hardness and toughness, also has good machinability. It is mainly used for wear-resistant structures such as bucket main blades and drill bits of large excavators, shovel loaders, and rotary drilling rigs.
Grade:NM400E
Standard:GB /T 24186-2022
High Strength abrasion resistant steel plates for construction machine
NM400E Wear Resistant Steel Chemical Composition
| Element | C | Si | Mn | P | S | Cr | Ni | Mo | Ti | B | Al |
| min | - | - | - | - | - | - | - | - | - | 0.0005 | 0.015 |
| max | 0.25 | 0.7 | 1.6 | 0.02 | 0.005 | 1.2 | 0.7 | 0.6 | 0.05 | 0.006 | - |
NM400E Mechanical Property
|
Thickness t,mm |
TS(transversal) Rm, Mpa |
elongation(transversal) % |
Brinell hardness on surface HBW |
Absorbed impact energy (-40℃) (longitudinal), KV2, J |
| t≤80 | 1200 | 10 | 370-430 | ≥24 |
| 80＜t≤120 | 1200 | 10 | 360-440 | ≥21 |
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