EN 10269 Grade 42CrMo5-6 quenched and tempered (+QT)

EN 10269 Grade 42CrMo5-6 quenched and tempered (+QT) introduction

Application for mounting elements at increased temperatures.

Equivalent material: IS 40Cr5Mo6, DIN 1.7233, DIN 42CrMo5-6, EN 1.7233

EN 10269 Grade 42CrMo5-6 quenched and tempered (+QT) general

Property Temperature Value Comment
Density 23.0 °C Density of 7.8 - 7.9 g/cm³ Typical for Chromium Molybdenum Steel

EN 10269 Grade 42CrMo5-6 quenched and tempered (+QT) thermal

Property Temperature Value Comment
Coefficient of thermal expansion 23.0 °C Coefficient of thermal expansion of 1.1E-5 - 1.4E-5 1/K Typical for Chromium Molybdenum Steel
Melting point - Melting point of 1382 - 1529 °C Typical for Chromium Molybdenum Steel
Specific heat capacity 23.0 °C Specific heat capacity of 448 - 502 J/(kg·K) Typical for Chromium Molybdenum Steel
Thermal conductivity 23.0 °C Thermal conductivity of 36 - 43 W/(m·K) Typical for Chromium Molybdenum Steel

EN 10269 Grade 42CrMo5-6 quenched and tempered (+QT) chemical

Property Value
Carbon Carbon of 0.39 - 0.45 %
Chromium Chromium of 1.2 - 1.5 %
Manganese Manganese of 0.4 - 0.7 %
Molybdenum Molybdenum of 0.5 - 0.7 %
Phosphorus Phosphorus of 0.03 - 0.04 %
Silicon Silicon of 0.4 %
Sulfur Sulfur of 0.035 %

EN 10269 Grade 42CrMo5-6 quenched and tempered (+QT) mechanical

Property Temperature Value Comment
Elastic modulus 23.0 °C Elastic modulus of 200 - 215 GPa Typical for Chromium Molybdenum Steel
Elongation 20.0 °C Elongation of 16 % -
Poisson's ratio 23.0 °C Poisson's ratio of 0.29 [-] Typical for Chromium Molybdenum Steel
Reduction of area 20.0 °C Reduction of area of 50 % -
Tensile strength 20.0 °C Tensile strength of 850 - 1060 MPa -
Yield strength Rp0.2 20.0 °C Yield strength Rp0.2 of 640 - 700 MPa -
- 50.0 °C Yield strength Rp0.2 of 625 - 681 MPa -
- 100.0 °C Yield strength Rp0.2 of 605 - 662 MPa -
- 150.0 °C Yield strength Rp0.2 of 584 - 639 MPa -
- 200.0 °C Yield strength Rp0.2 of 563 - 616 MPa -
- 250.0 °C Yield strength Rp0.2 of 549 - 601 MPa -
- 300.0 °C Yield strength Rp0.2 of 535 - 585 MPa -
- 350.0 °C Yield strength Rp0.2 of 521 - 570 MPa -
- 400.0 °C Yield strength Rp0.2 of 500 - 547 MPa -
- 450.0 °C Yield strength Rp0.2 of 472 - 516 MPa -
- 500.0 °C Yield strength Rp0.2 of 422 - 462 MPa -
- 550.0 °C Yield strength Rp0.2 of 331 - 362 MPa -
- 600.0 °C Yield strength Rp0.2 of 204 - 223 MPa -

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