Chemical Composition Of Special Purpose Alloy Steel Gb Ns 312 Material - China

GB NS 312 material is a special purpose alloy steel in the Chinese national standard (GB), and its chemical composition and mechanical properties may vary according to specific application requirements.

Here are some relevant information about the chemical composition of GB NS 312 material: 1 - **Chemical composition**: - Carbon (C): usually between 0.10% - 0.20% - Manganese (Mn): usually between 0.30% - 0.60% - Silicon (Si): usually between 0.15% - 0.40% - Sulfur (S) and phosphorus (P): usually low content, not exceeding 0.035% and 0.035% respectively - The content of alloying elements (such as chromium Cr, nickel Ni, molybdenum Mo, etc.

) depends on the specific standard and purpose.

2 - **Mechanical properties**: - Performance indicators such as tensile strength, yield strength and elongation are usually specified in the standard, and the performance will vary according to different heat treatment states.

3 - **Application fields**:

- GB NS 312 material is widely used in manufacturing parts that require high strength and wear resistance, such as mechanical structural parts, automotive parts, etc.

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