General information:
Alloy type: 1.4125
Main alloying elements: Iron (Fe), Chromium (Cr), Molybdenum (Mo)
International standard: EN 10088-3
Mechanical properties:
Tensile strength: 800 - 1000 MPa (megapascals)
Yield strength: 650 - 850 MPa
Elongation at break: 12 - 25%
Hardness (Rockwell): 54 - 60 HRC
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): 0.45 - 0.55%
Chromium (Cr): 14 - 15.5%
Molybdenum (Mo): 0.8 - 1.3%
Silicon (Si): max. 1%
Manganese (Mn): max. 1%
Phosphorus (P): 0.04% max.
Sulfur (S): max. 0.03%
Heat treatment:
Alloy 1.4125 can be heat treated to improve mechanical properties. The most common heat treatment conditions are:
Soft annealing: heating to 800 - 850 °C and subsequent slow cooling in the furnace air or in oil.
Tempering: Heating to 980 - 1050°C and subsequent quenching in oil or water, followed by a tempering temperature of 200 - 300°C.
Applications:
Alloy 1.4125 is used in a variety of applications including:
Knife industry: high-quality knife blades, surgical instruments
Food industry: cutting tools, containers
Chemical industry: pumps, valves, fittings
Aerospace: Components requiring high strength and corrosion resistance
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.