Product Description
- SNCM439 has good hardness and strength, and is a high-strength alloy steel.
- With proper heat treatment, high hardness and wear resistance can be obtained, making it suitable for manufacturing parts subjected to high loads and high pressures.
- It has good hardenability, and the microstructure after heat treatment is uniform and fine, which improves the strength and toughness of the material.
Detailed introduction
SNCM439 is a high-strength alloy steel commonly used in the manufacture of machine parts and tools.
| SNCM439 Main Ingredients | percentage |
|---|---|
| Carbon (C) | 0.36-0.43% |
| Silicon (Si) | 0.15-0.35% |
| Manganese (Mn) | 0.60-0.90% |
| Phosphorus (P) | ≤ 0.030% |
| Sulfur (S) | ≤ 0.040% |
| Chromium (Cr) | 0.85-1.15% |
| Molybdenum (Mo) | 0.25-0.35% |
| Nickel (Ni) | 1.60-2.00% |
| Iron (Fe) | The remaining part |
Country Numbers
| nation | Steel grade |
|---|---|
| Japan JIS | JIS G 4103 SNCM439 JIS SNCM439 |
| American AISI / SAE | ASTM A29 AISI 4340 |
| China GB | GB/T 3077-1999 |
| Europe EN | EN 10083-3 |
| German DIN | DIN 41Cr4 |
♦The standards and grades of chemical components vary slightly from country to country. The information in the table above is for reference only. For detailed ingredient content, please refer to the databases of each country.
Main application scope
- Mechanical parts: Due to its excellent strength and hardness, SNCM439 is often used to manufacture mechanical parts with high load and high strength requirements, such as gears, bearings, and transmission parts.
- Mold making: SNCM439 has good wear resistance and fatigue resistance, and is suitable for manufacturing molds, pressure machinery parts, etc.
- Automotive Industry: In the automotive industry, SNCM439 can be used to manufacture engine parts, steering systems, transmission systems, etc., to meet the requirements of high strength and high wear.
- Aerospace: Due to its excellent strength and heat resistance, SNCM439 can be used to manufacture aerospace parts, such as engine parts and suspension systems.
- Oil and gas industry: In the process of oil and gas extraction, SNCM439 can be used to manufacture corrosion-resistant and high-strength parts such as high-pressure pipelines, pumps, and valves.
Application
