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  • Metal

    Material type

  • Tool steel O1 | 1.2510 | 100MnCrW4 - Annealed state

    Material name

  • CNC machining

    Process compatibility

Mechanical properties
Ultimate tensile strength
700 MPa
Yield strength
400 MPa
Young's modulus (modulus of elasticity)
190 GPa
Elongation at break
21 %
Physical properties
Magnetism
Magnetic
Weldability
Poor
Thermal properties
Maximum service temperature
165 - 215 °C
Thermal expansion coefficent
11.3 - 11.8 10^-6/ºC
Thermal conductivity
37 W/(m⋅°C)
Electrical properties
Electrical resistivity
24.5 - 30.2 μΩ*cm
Post treatments
Post-Processing
Hardening & Annealing
Anodizing compatibility
Not suitable
Common applications
Cutting tools
Cold-forming dies
Shearing tools
Die casting and molding dies
Tagged: metal tool steel
Tool steel O1 | 1.2510 | 100MnCrW4 - Annealed state

Tool steel O1 (CNC) is an oil-hardened alloy with a high hardness of 65 HRC. Used for industrial knives and cutting tools.

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