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NM500
Qilu
Product Description
GB/T 24186 NM500 Wear-resisting Steel Plate
1: NM500 Steel Introduction
NM500 is a high-strength wear-resistant steel plate whose designation originates from the Chinese standard GB/T 24186. NM stands for “wear-resistant,” while the number 500 indicates a Brinell hardness value of no less than 500 HBW. This steel plate possesses extremely high hardness and outstanding wear resistance, while also maintaining good impact toughness. NM500 is typically processed through quenching or quenching followed by tempering to achieve high hardness and required mechanical properties. It is widely used in applications demanding high wear resistance, such as construction machinery, mining equipment, material handling systems, and metallurgical equipment. Common applications include manufacturing wear-resistant components like buckets, crusher liners, and conveyor blades.
NM500 Steel Stock in Warehouse
2: NM500 Quality Standard
GB NM500 steel according to GB/T 24186.
3: NM500 Steel Chemical Composition
| Grade | C | Si | Mn | P | S | Mo | Cr | Ni | B |
| HB500 | 0.26-0.29 | 0.20-0.40 | 0.20-0.40 | 0.010 Max | 0.002 Max | 0.10-0.30 | 3.40-3.60 | 0.60-1.80 | 0.005 Max |
| NM500 | 0.25-0.38 | 0.70 Max | 1.00-1.70 | 0.025 Max | 0.010 Max | 0.20-0.60 | 0.50-1.50 | 1.00 Max | 0.005 Max |
4: Mechanical Properties
Grade | H+T | Tensile strength | Yield strength | Elongation | Reduction | Impact Value | Hardness/HB |
| NM500 | +A | / | / | / | / | / | 150 |
NM500 | +QT | 691 | 512 | 12 | 56 | 69/83/85 | 265/272/297 |
5: NM500 Steel Equivalent
| Country | China | Germany | Others |
| Standard | GB GB/T 24186 | DIN (W-Nr.) | / |
| Grade | NM500 | HB500 | AR500 |
6: Goods available in China
If you want to purchase NM500 steel from China, for hot rolled plates, you can easily find stocks from the Chinese market. The stock quantity is generally sufficient as it is a commonly used grade in domestic infrastructure and machinery manufacturing.
For flame cut or laser cut parts based on NM500 plates, there are usually no ready-made stocks for the specific processed parts.
