General information:
Alloy type: 1.4104
Main alloying elements: iron (Fe), chromium (Cr)
International standard: EN 10088-3
Mechanical properties:
Tensile strength: 550 - 800 MPa (megapascals)
Yield strength: 270 - 630 MPa
Elongation at break: 20 - 40%
Hardness (Brinell): 200 HB
Modulus of elasticity: 200GPa
Physical Properties:
Density: 7.7 g/cm³
Melting point: approx. 1400 - 1420 °C
Thermal conductivity: 25 W/(m K)
Electric conductivity: -
Chemical composition (in percent by weight):
Carbon (C): 0.08 - 0.12%
Chromium (Cr): 15 - 17%
Silicon (Si): max. 1%
Manganese (Mn): max. 1%
Phosphorus (P): 0.04% max.
Sulfur (S): max. 0.03%
Heat treatment:
Alloy 1.4104 can be heat treated to improve mechanical properties. The most common heat treatment conditions are:
Soft annealing (QT 700): heating to 700 - 750 °C and subsequent slow cooling in the furnace air or in oil.
Tempering (QT 800): Heating to 800 - 850 °C and subsequent quenching in oil or water, followed by a tempering temperature of 200 - 300 °C.
Applications:
1.4104 alloy is used in a variety of applications including:
Automotive industry: components for engines, shafts, bearings
Food industry: knives, cutlery, containers
Household appliances: kitchen utensils, knife blades, tools
Chemical industry: pumps, valves, fittings
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.
