NM360 NM400 NM450 NM500 Hot Rolled Steel Plate
bulldozers
loaders
excavators
dump trucks
various mining machinery, etc.
NM stands for "Wear-Resistant steel Material". These four grades of steel (NM360, NM400, NM450, NM500) are designed to withstand wear and tear in high-wear applications, such as mining and construction equipment, quarrying, and dredging operations. They are known for their excellent wear resistance, high strength, and toughness.
Hot-rolled steel plates are manufactured by heating the steel slab to a high temperature, then rolling it into a flat shape. The process results in a durable, high-quality product with superior mechanical properties.
If you are looking to purchase these types of steel plates, it is recommended to consult with a professional supplier or a steel manufacturer to ensure the right specifications, grades, and quantities are ordered.
Chemical Composition (%) of NM Wear Resistant Steel
| Steel Grade | C | Si | Mn | P | S | Cr | Mo | B | N | H | Ceq |
| NM360/NM400 | ≤0.20 | ≤0.40 | ≤1.50 | ≤0.012 | ≤0.005 | ≤0.35 | ≤0.30 | ≤0.002 | ≤0.005 | ≤0.00025 | ≤0.53 |
| NM450 | ≤0.22 | ≤0.60 | ≤1.50 | ≤0.012 | ≤0.005 | ≤0.80 | ≤0.30 | ≤0.002 | ≤0.005 | ≤0.00025 | ≤0.62 |
| NM500 | ≤0.30 | ≤0.60 | ≤1.00 | ≤0.012 | ≤0.002 | ≤1.00 | ≤0.30 | ≤0.002 | ≤0.005 | ≤0.0002 | ≤0.65 |
| NM550 | ≤0.35 | ≤0.40 | ≤1.20 | ≤0.010 | ≤0.002 | ≤1.00 | ≤0.30 | ≤0.002 | ≤0.0045 | ≤0.0002 | ≤0.72 |
Mechanical property:
|
Grade
|
Tensile strengthc | Elongation | Hardness | -20℃ Impact energy |
| (Mpa) | (%)(min) | (HBW) | AKv/J (min) | |
| NM360 | ≥1100 | 12 | 330-390 | 24 |
| NM400 | ≥1200 | 10 | 370-430 | 24 |
| NM450 | ≥1250 | 7 | 420-480 | 24 |
| NM500 | 470(min) | |||
| NM550 | 530(min) | |||
| NM600 | 570(min) |
Product application
Production Process
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