DIN 17245 Grade GS-17CrMo5-5 quenched and tempered (+QT)

DIN 17245 Grade GS-17CrMo5-5 quenched and tempered (+QT) introduction

GS-17 CrMo 5 5 is used for thick-walled cast pieces at high temperatures and pressures, e.g. for housings, armatures and valve boxes.

Equivalent material: BS B2, UNI G15CrMo55, JIS SCPH21, PN L18HM, STAS T16MoCr11, UNE AM18CrMo05-05, UNE F.8383, MSZ Aö16CrMo, DIN G17CrMo5-5, DIN 1.7357, EN G17CrMo5-5, EN 1.7357, UNS J12072

DIN 17245 Grade GS-17CrMo5-5 quenched and tempered (+QT) general

Property Temperature Value
Density 20.0 °C Density of 7.85 g/cm³

DIN 17245 Grade GS-17CrMo5-5 quenched and tempered (+QT) thermal

Property Temperature Value Comment
Coefficient of thermal expansion 100.0 °C Coefficient of thermal expansion of 1.22E-5 1/K -
- 200.0 °C Coefficient of thermal expansion of 1.29E-5 1/K -
- 300.0 °C Coefficient of thermal expansion of 1.34E-5 1/K -
- 400.0 °C Coefficient of thermal expansion of 1.39E-5 1/K -
- 500.0 °C Coefficient of thermal expansion of 1.43E-5 1/K -
- 600.0 °C Coefficient of thermal expansion of 1.46E-5 1/K -
Max service temperature, long - Max service temperature, long of 300 - 610 °C -
Melting point - Melting point of 1382 - 1529 °C Typical for Chromium Molybdenum Steel
Specific heat capacity 20.0 °C Specific heat capacity of 460 J/(kg·K) -
Thermal conductivity 20.0 °C Thermal conductivity of 50 W/(m·K) -
- 300.0 °C Thermal conductivity of 46 W/(m·K) -
- 400.0 °C Thermal conductivity of 42 W/(m·K) -
- 500.0 °C Thermal conductivity of 38 W/(m·K) -
- 600.0 °C Thermal conductivity of 34 W/(m·K) -

DIN 17245 Grade GS-17CrMo5-5 quenched and tempered (+QT) chemical

Property Value
Carbon Carbon of 0.15 - 0.2 %
Chromium Chromium of 1 - 1.5 %
Manganese Manganese of 0.5 - 0.8 %
Molybdenum Molybdenum of 0.45 - 0.55 %
Phosphorus Phosphorus of 0.02 %
Silicon Silicon of 0.3 - 0.6 %
Sulfur Sulfur of 0.015 %

DIN 17245 Grade GS-17CrMo5-5 quenched and tempered (+QT) electrical

Property Temperature Value
Electrical resistivity 20.0 °C Electrical resistivity of 1.6E-7 Ω·m

DIN 17245 Grade GS-17CrMo5-5 quenched and tempered (+QT) mechanical

Property Temperature Value Comment
Elastic modulus 20.0 °C Elastic modulus of 211 GPa -
- 100.0 °C Elastic modulus of 204 GPa -
- 200.0 °C Elastic modulus of 196 GPa -
- 300.0 °C Elastic modulus of 186 GPa -
- 400.0 °C Elastic modulus of 177 GPa -
- 500.0 °C Elastic modulus of 164 GPa -
- 600.0 °C Elastic modulus of 127 GPa -
Elongation 20.0 °C Elongation of 20 % -
Poisson's ratio 23.0 °C Poisson's ratio of 0.29 [-] Typical for Chromium Molybdenum Steel
Tensile strength 20.0 °C Tensile strength of 490 - 640 MPa -
Yield strength 20.0 °C Yield strength of 315 MPa -
Yield strength Rp0.2 200.0 °C Yield strength Rp0.2 of 255 MPa -
- 300.0 °C Yield strength Rp0.2 of 230 MPa -
- 350.0 °C Yield strength Rp0.2 of 215 MPa -
- 400.0 °C Yield strength Rp0.2 of 205 MPa -
- 450.0 °C Yield strength Rp0.2 of 190 MPa -
- 500.0 °C Yield strength Rp0.2 of 180 MPa -
- 550.0 °C Yield strength Rp0.2 of 160 MPa -

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