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  5. Stainless steel 440C | 1.4125 | X105CrMo17
Material Name

Stainless steel 440C | 1.4125 | X105CrMo17

Material Type
Metal

Process Compatibility

CNC machining
Property Value
Mechanical Properties
Ultimate tensile strength 560 – 800 MPa
Yield strength 340 – 430 MPa
Young’s modulus (modulus of elasticity) 204 – 215 GPa
Elongation at break 14 – 18 %
Physical Properties
Corrosion resistance Moderate
Magnetism Magnetic
Weldability Poor
Thermal Properties
Thermal expansion coefficient 10 – 10.2 × 10-6/ºC
Thermal conductivity 22 – 24.2 W/(m⋅°C)
Electrical Properties
Electrical resistivity 60 μΩ*cm
Post Treatments
Post-Processing Cold and hot working, Annealing, Tempering, Hardening
Anodizing compatibility Not suitable
Common Applications
Gage blocks Ball bearings and races
Molds and dies Valve components
Measuring instruments

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