General information:
Alloy type: 1.4308
Main alloying elements: Iron (Fe), Chromium (Cr), Nickel (Ni)
International standard: EN 10088-3
Mechanical properties:
Tensile strength: 500 - 700 MPa (megapascals)
Yield strength: 200 - 500 MPa
Elongation at break: 40 - 60%
Hardness (Rockwell): 70 HRB
Modulus of elasticity: 200GPa
Physical Properties:
Density: 7.9 g/cm³
Melting point: approx. 1400 - 1450 °C
Thermal conductivity: 15 W/(m K)
Electric conductivity: -
Chemical composition (in percent by weight):
Carbon (C): 0.08% max.
Chromium (Cr): 17.5 - 19.5%
Nickel (Ni): 8.0 - 10.5%
Manganese (Mn): max. 2%
Silicon (Si): max. 1%
Phosphorus (P): 0.045% max.
Sulfur (S): max. 0.015%
Heat treatment:
Alloy 1.4308 cannot be heat treated.
Corrosion resistance:
1.4308 alloy features good corrosion resistance in many environments including atmospheric conditions, light acids, alkaline solutions and salt water.
Applications:
1.4308 alloy is used in a variety of applications including:
Food industry: tanks, pipes, valves
Chemical industry: pumps, fittings, heat exchangers
Architecture: railings, facade elements, fasteners
Medical technology: surgical instruments, implants
Please note that the values given are indicative and may vary slightly depending on the manufacturing process and specific batch. It is recommended to always check the manufacturer's exact specifications.
