DIN 17245 Grade G-X8CrNi12 quenched and tempered (+QT)
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DIN 17245 Grade G-X8CrNi12 quenched and tempered (+QT)

DIN 17245 Grade G-X8CrNi12 quenched and tempered (+QT) introduction

G-X 8 CrNi 12 is used for machine parts and fittings in water and steam up to 400 °C. No application in creeping range.

Equivalent material: DIN GX8CrNi12, DIN 1.4107, EN GX8CrNi12, EN 1.4107

DIN 17245 Grade G-X8CrNi12 quenched and tempered (+QT) general

Property Temperature Value
Density 20.0 °C Density of 7.7 g/cm³

DIN 17245 Grade G-X8CrNi12 quenched and tempered (+QT) thermal

Property Temperature Value Comment
Coefficient of thermal expansion 100.0 °C Coefficient of thermal expansion of 1.05E-5 1/K -
- 200.0 °C Coefficient of thermal expansion of 1.1E-5 1/K -
- 300.0 °C Coefficient of thermal expansion of 1.15E-5 1/K -
- 400.0 °C Coefficient of thermal expansion of 1.19E-5 1/K -
- 500.0 °C Coefficient of thermal expansion of 1.22E-5 1/K -
- 600.0 °C Coefficient of thermal expansion of 1.25E-5 1/K -
Max service temperature, long - Max service temperature, long of 0 - 400 °C -
Melting point - Melting point of 1370 - 1530 °C Typical for Martensitic Stainless Steel
Specific heat capacity 20.0 °C Specific heat capacity of 460 J/(kg·K) -
Thermal conductivity 20.0 °C Thermal conductivity of 24 W/(m·K) -

DIN 17245 Grade G-X8CrNi12 quenched and tempered (+QT) chemical

Property Value
Carbon Carbon of 0.06 - 0.1 %
Chromium Chromium of 11.5 - 12.5 %
Manganese Manganese of 0.5 - 0.8 %
Molybdenum Molybdenum of 0.5 %
Nickel Nickel of 0.8 - 1.5 %
Phosphorus Phosphorus of 0.03 %
Silicon Silicon of 0.1 - 0.4 %
Sulfur Sulfur of 0.02 %

DIN 17245 Grade G-X8CrNi12 quenched and tempered (+QT) electrical

Property Temperature Value
Electrical resistivity 20.0 °C Electrical resistivity of 4.5E-7 Ω·m

DIN 17245 Grade G-X8CrNi12 quenched and tempered (+QT) mechanical

Property Temperature Value Comment
Elastic modulus 20.0 °C Elastic modulus of 216 GPa -
- 100.0 °C Elastic modulus of 209 GPa -
- 200.0 °C Elastic modulus of 200 GPa -
- 300.0 °C Elastic modulus of 190 GPa -
- 400.0 °C Elastic modulus of 179 GPa -
- 500.0 °C Elastic modulus of 167 GPa -
- 600.0 °C Elastic modulus of 127 GPa -
Elongation 20.0 °C Elongation of 18 % -
Poisson's ratio 23.0 °C Poisson's ratio of 0.3 [-] Typical for Martensitic Stainless Steel
Shear modulus 23.0 °C Shear modulus of 77 GPa Typical for Martensitic Stainless Steel
Tensile strength 20.0 °C Tensile strength of 540 - 690 MPa -
Yield strength 20.0 °C Yield strength of 355 MPa -
Yield strength Rp0.2 200.0 °C Yield strength Rp0.2 of 275 MPa -
- 300.0 °C Yield strength Rp0.2 of 265 MPa -
- 350.0 °C Yield strength Rp0.2 of 260 MPa -
- 400.0 °C Yield strength Rp0.2 of 255 MPa -

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