1.4021 QT800 is a stainless steel material
1.4021 QT800 is a stainless steel material, also known as X20Cr13. It is a stainless steel with high hardness, high corrosion resistance and good wear resistance. The following is a detailed introduction:
chemical composition:
- Carbon (C): 0.16-0.25%
- Silicon (Si): maximum 1.00%
- Manganese (Mn): maximum 1.00%
- Phosphorus (P): maximum 0.040%
- Sulfur (S): max. 0.030%
- Chromium (Cr): 12.00-14.00%
Physical properties:
- Density: 7.7 g/cm³
- Melting point: 1455°C
- Modulus of elasticity: 215 GPa
- Thermal expansion coefficient: 10.4 μm/m°C (20-100°C)
- Thermal conductivity: 30 W/m·K (100°C)
Mechanical behavior:
- Tensile strength: approximately 650 MPa (tensile)
- Yield strength: approximately 350 MPa (tensile)
- Elongation: approximately 17% (stretch)
- Impact toughness: approx. 100 J (room temperature)
- Hardness: Approximately HRC 48
Features and uses:
1.4021 QT800 has high hardness and wear resistance and is suitable for manufacturing blades, knives, saw blades and some mechanical parts. It can work under high load and high friction environment, and can maintain cutting performance and wear resistance for a long time.
In addition, it also has good corrosion resistance in certain corrosive media, such as water, steam, light salt water and some organic acids.
Summarize:
1.4021 QT800 is a stainless steel material with high hardness, high wear resistance and corrosion resistance. It is commonly used in the manufacture of cutting tools, machine parts and related applications that require higher hardness and wear resistance. For more details please provide me with further requirements and I will try my best to help you.
