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  5. Tool steel O1 | 1.2510 | 100MnCrW4 – Annealed state
Material Name

Alloy steel 1215 | EN1A | 1.0715

Material Type
Metal

Process Compatibility

CNC machining
Property Value
Mechanical Properties
Ultimate tensile strength 355 – 370 MPa
Yield strength 230 MPa
Young’s modulus (modulus of elasticity) 190 – 210 GPa
Elongation at break 18 – 26 %
Physical Properties
Corrosion resistance Moderate
Magnetism Magnetic
Weldability Poor
Thermal Properties
Thermal expansion coefficient 11.5 – 13.9 × 10-6/ºC
Thermal conductivity 51.9 W/(m⋅°C)
Electrical Properties
Electrical resistivity 17.4 μΩ*cm
Post Treatments
Post-Processing Cold working
Anodizing compatibility Not suitable
Common Applications
Marine engineering Furnaces and gas turbines
Chemical processing plants Boiler and pressure vessels
Nuclear power plants

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