DIN 17205 Grade GS-34CrMo4 quenched in a liquid medium and tempered, strength grade II

DIN 17205 Grade GS-34CrMo4 quenched in a liquid medium and tempered, strength grade II introduction

The material GS-34 CrMo 4 is applicable up to 300 degrees C. The use is performed chiefly in the vehicle and gear manufacturing, e.g. for steering knuckles, rear axle bridges, cog wheels, toothed rims, drive sprocket rims, supporting arms.

Equivalent material: DIN G34CrMo4(1.7230), DIN 1.7230, DIN G34CrMo4, EN 1.7230, ISO G32CrMo4, ASTM Grade SC4130

DIN 17205 Grade GS-34CrMo4 quenched in a liquid medium and tempered, strength grade II general

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

DIN 17205 Grade GS-34CrMo4 quenched in a liquid medium and tempered, strength grade II thermal

Property Temperature Value Comment
Coefficient of thermal expansion 100.0 °C Coefficient of thermal expansion of 1.1E-5 1/K -
- 200.0 °C Coefficient of thermal expansion of 1.2E-5 1/K -
- 300.0 °C Coefficient of thermal expansion of 1.3E-5 1/K -
Max service temperature, long - Max service temperature, long of 0 - 300 °C -
Melting point - Melting point of 1382 - 1529 °C Typical for Chromium Molybdenum Steel
Specific heat capacity 20.0 °C Specific heat capacity of 448 - 502 J/(kg·K) Typical for Chromium Molybdenum Steel
Thermal conductivity 20.0 °C Thermal conductivity of 36 - 43 W/(m·K) Typical for Chromium Molybdenum Steel

DIN 17205 Grade GS-34CrMo4 quenched in a liquid medium and tempered, strength grade II chemical

Property Value
Carbon Carbon of 0.3 - 0.37 %
Chromium Chromium of 0.8 - 1.2 %
Manganese Manganese of 0.5 - 0.8 %
Molybdenum Molybdenum of 0.2 - 0.3 %
Phosphorus Phosphorus of 0.02 %
Silicon Silicon of 0.6 %
Sulfur Sulfur of 0.015 %

DIN 17205 Grade GS-34CrMo4 quenched in a liquid medium and tempered, strength grade II 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 -
Elongation 20.0 °C Elongation of 10 % -
Poisson's ratio 20.0 °C Poisson's ratio of 0.29 [-] Typical for Chromium Molybdenum Steel
Tensile strength 20.0 °C Tensile strength of 830 - 1000 MPa -
Yield strength Rp0.2 20.0 °C Yield strength Rp0.2 of 650 - 700 MPa -

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