DIN 17200 Grade 28CrS4 quenched and tempered (+QT)
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DIN 17200 Grade 28CrS4 quenched and tempered (+QT)

DIN 17200 Grade 28CrS4 quenched and tempered (+QT) introduction

Steel 28 CrS 4 is suitable for smaller parts of a little higher load and enhanced workability in vehicle manufacturing, engine and machine engineering ( e.g. transmission gears, drive shafts). Lowest application temp. -25 °C.

Equivalent material: DIN 1.7036, AFNOR 28CrS4, BS 28CrS4, AISI 5130H, AISI 5130, SAE 5130H, SAE 5130, EN 28CrS4, EN 1.7036, UNS H51300, UNS G51300

DIN 17200 Grade 28CrS4 quenched and tempered (+QT) general

Property Temperature Value
Density 20.0 °C Density of 7.83 - 7.85 g/cm³

DIN 17200 Grade 28CrS4 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 -
- 20.0 °C Coefficient of thermal expansion of 1.15E-5 1/K -
- 100.0 °C Coefficient of thermal expansion of 1.11E-5 - 1.21E-5 1/K -
- 200.0 °C Coefficient of thermal expansion of 1.21E-5 - 1.27E-5 1/K -
- 300.0 °C Coefficient of thermal expansion of 1.29E-5 - 1.32E-5 1/K -
- 400.0 °C Coefficient of thermal expansion of 1.35E-5 - 1.36E-5 1/K -
- 500.0 °C Coefficient of thermal expansion of 1.4E-5 1/K -
- 600.0 °C Coefficient of thermal expansion of 1.44E-5 1/K -
Max service temperature, long - Max service temperature, long of -25 - 0 °C -
Melting point - Melting point of 1382 - 1529 °C Typical for Chromium Steel
Specific heat capacity -100.0 °C Specific heat capacity of 423 J/(kg·K) -
- 20.0 °C Specific heat capacity of 460 - 461 J/(kg·K) -
- 100.0 °C Specific heat capacity of 479 J/(kg·K) -
- 200.0 °C Specific heat capacity of 499 J/(kg·K) -
- 300.0 °C Specific heat capacity of 517 J/(kg·K) -
- 400.0 °C Specific heat capacity of 536 J/(kg·K) -
- 500.0 °C Specific heat capacity of 558 J/(kg·K) -
- 600.0 °C Specific heat capacity of 587 J/(kg·K) -
Thermal conductivity 20.0 °C Thermal conductivity of 45.1 - 46 W/(m·K) -
- 100.0 °C Thermal conductivity of 45.1 W/(m·K) -
- 200.0 °C Thermal conductivity of 44.1 W/(m·K) -
- 300.0 °C Thermal conductivity of 41.9 W/(m·K) -
- 400.0 °C Thermal conductivity of 39.4 W/(m·K) -
- 500.0 °C Thermal conductivity of 36.9 W/(m·K) -
- 600.0 °C Thermal conductivity of 34.4 W/(m·K) -
Thermal diffusivity 20.0 °C Thermal diffusivity of 12.5 mm²/s -
- 100.0 °C Thermal diffusivity of 11.6 mm²/s -
- 200.0 °C Thermal diffusivity of 10.6 mm²/s -
- 300.0 °C Thermal diffusivity of 9.5 mm²/s -
- 400.0 °C Thermal diffusivity of 8.4 mm²/s -
- 500.0 °C Thermal diffusivity of 7.1 mm²/s -
- 600.0 °C Thermal diffusivity of 5.8 mm²/s -

DIN 17200 Grade 28CrS4 quenched and tempered (+QT) chemical

Property Value
Carbon Carbon of 0.24 - 0.31 %
Chromium Chromium of 0.9 - 1.2 %
Manganese Manganese of 0.6 - 0.9 %
Phosphorus Phosphorus of 0.04 %
Silicon Silicon of 0.4 %
Sulfur Sulfur of 0.02 - 0.035 %

DIN 17200 Grade 28CrS4 quenched and tempered (+QT) electrical

Property Temperature Value
Electrical resistivity 20.0 °C Electrical resistivity of 1.9E-7 - 2.31E-7 Ω·m
- 100.0 °C Electrical resistivity of 2.84E-7 Ω·m
- 200.0 °C Electrical resistivity of 3.58E-7 Ω·m
- 300.0 °C Electrical resistivity of 4.48E-7 Ω·m
- 400.0 °C Electrical resistivity of 5.52E-7 Ω·m
- 500.0 °C Electrical resistivity of 6.71E-7 Ω·m
- 600.0 °C Electrical resistivity of 8.06E-7 Ω·m

DIN 17200 Grade 28CrS4 quenched and tempered (+QT) mechanical

Property Temperature Value
Elastic modulus -100.0 °C Elastic modulus of 217 GPa
- 20.0 °C Elastic modulus of 210 - 212 GPa
- 100.0 °C Elastic modulus of 205 - 207 GPa
- 200.0 °C Elastic modulus of 195 - 199 GPa
- 300.0 °C Elastic modulus of 185 - 192 GPa
- 400.0 °C Elastic modulus of 175 - 184 GPa
- 500.0 °C Elastic modulus of 175 GPa
- 600.0 °C Elastic modulus of 164 GPa
Elongation 20.0 °C Elongation of 12 - 15 %
Poisson's ratio 20.0 °C Poisson's ratio of 0.28 [-]
Reduction of area 20.0 °C Reduction of area of 40 - 50 %
Shear modulus 20.0 °C Shear modulus of 81 GPa
Tensile strength 20.0 °C Tensile strength of 650 - 1100 MPa
Yield strength 20.0 °C Yield strength of 410 - 650 MPa

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