NM500 steel specifications steel plate

NM500 steel is a high-strength abrasion-resistant steel known for its toughness and durability in harsh environments such as mining, construction, and material handling equipment. Here are some key specifications of NM500 steel:

NM500 Steel Specifications:

Standard:

NM500 steel is typically manufactured to Chinese standard GB/T 24186 or equivalent international standards.

Chemical Composition:

Carbon (C): 0.38-0.45%

Silicon (Si): 0.20-0.40%

Manganese (Mn): 1.00-1.70%

Phosphorus (P): 0.030% max

Sulfur (S): 0.020% max

Chromium (Cr): 0.30-0.70%

Nickel (Ni): 0.50-1.00%

Molybdenum (Mo): 0.20-0.40%

Copper (Cu): 0.25-0.45%

Mechanical Properties:

Hardness: 470-530 HBW (Brinell hardness)

Tensile Strength: 1550 MPa (N/mm²) min

Yield Strength: 1300 MPa (N/mm²) min

Elongation: 8% min

Applications:

NM500 steel is commonly used in applications requiring high wear resistance, such as excavator buckets, bulldozer blades, dump truck bodies, crushers, and structural components subjected to abrasive wear.

Weldability:

NM500 steel has moderate weldability, and proper welding procedures should be followed to maintain its mechanical properties and wear resistance after welding.

Formability:

Due to its high hardness and strength, forming NM500 steel into complex shapes may require preheating and special processes to prevent cracking.

Coating:

NM500 steel can be surface-treated with coatings like a hard-facing overlay to enhance its wear resistance further and prolong service life in abrasive environments.

These specifications outline the composition, mechanical properties, applications, and characteristics of NM500 steel, a popular choice for high-wear applications where resistance to abrasion and impact is crucial.

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