Alloy 1.4311 is an austenitic stainless steel with a high nitrogen content. The alloy offers good corrosion resistance, particularly to pitting corrosion and stress corrosion cracking in chloride containing environments. It is widely used in the chemical industry, shipbuilding and food processing.
Chemical composition:
Carbon content: ≤0.030%
Silicon content: ≤1.00%
Manganese: ≤2.00%
Phosphorus content: ≤0.040%
Sulfur content: ≤0.015%
Chromium content: 17.0-19.5%
Nickel content: 6.0-8.0%
Nitrogen content: 0.15-0.25%
Mechanical properties:
Tensile strength: ≥500Mpa
Elongation: ≥40%
Hardness (HB): ≤215
Physical Properties:
Density: 7.9 g/cm³
Melting point: 1400-1450°C
Thermal conductivity: 15 W/(m*K)
Electrical conductivity: 0.75×10^6 S/m
Specific heat capacity: 500 J/(kg*K)
Processing properties:
Weldability: good
Machinability: good
Formability: good
Corrosion resistance:
Resistant to pitting and stress corrosion cracking in chloride containing environments
Good resistance to general corrosion in acidic and alkaline environments
Applications:
Chemical industry
Shipbuilding
Food processing
Medical technology
Water treatment
Please note that specifications may vary depending on alloy composition, manufacturing process and conditions. The values given are for guidance only and should not be considered precise.
