NM400, NM means wear resistance, 400 means the average Brinell hardness is around 400. Lianyang NM400 is widely used in the metallurgical industry, road construction industry, sand mill barrels, blades, U-shaped dump trucks, various freight yards, terminal mechanical parts, bearing structural parts, railway wheel structural parts, rollers, etc.
Chemical Composition of NM400:
| Brand | C | Si | Mn | P | S | Cr | Mo | Ni | B | CEV |
|---|---|---|---|---|---|---|---|---|---|---|
| NM400 | ≤0.24 | ≤0.50 | ≤1.6 | ≤0.025 | ≤0.015 | 0.4~0.8 | 0.2~0.5 | 0.2~0.5 | ≤0.005 |
Mechanical Property of NM400:
| Brand | Thickness mm | Tensile Test MPa | Hardness | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| YS Rel MPa | TS Rm MPa | Elongation % | ||||||||
| NM400 | 10-50 | ≥620 | 725-900 | ≥16 | 380-460 | |||||
