EN 10028-7 Grade X3CrNiMo13-4 quenched and tempered (+QT)

EN 10028-7 Grade X3CrNiMo13-4 quenched and tempered (+QT) introduction

The martensitic steel X3CrNiMo13-4 shows favorable ductility qualities and sufficient corrosion resistance at a temperature of -60 to 300 °C. X3CrNiMo13-4 shows due to its N-content better corrosion properties than the comparable 13% Cr-steels. Application: in tempered condition for turbine blade wheels, pumps, compressor, construction parts of power plant and reactor construction, in shipbuilding

Equivalent material: ASTM A240UNSS41500, UNS S41500, AFNOR Z4CDN13-04, GOST 5Ch14N7, UNI X6CrNi13-04, JIS SUS434, ÖNORM X5CrNi13-4S, SS 2385, DIN X4CrNi13-4, ISO X3CrNiMo13-4, DIN 1.4313, DIN G-X5CrNi13-4, AFNOR Z6CN13-04, BS 425C11, AISI 415, AISI S41500, SAE 415, SAE S41500, JIS SUSF6NM, JIS SCS5, JIS SCS6, EN GX5CrNi134, EN 1.4313, ASTM CA6NM, ASTM F6NM, UNS J91540, UNS S42400

EN 10028-7 Grade X3CrNiMo13-4 quenched and tempered (+QT) general

Property Temperature Value
Density 20.0 °C Density of 7.58 - 7.7 g/cm³

EN 10028-7 Grade X3CrNiMo13-4 quenched and tempered (+QT) thermal

Property Temperature Value Comment
Coefficient of thermal expansion 20.0 °C Coefficient of thermal expansion of 1.02E-5 1/K -
- 100.0 °C Coefficient of thermal expansion of 1.05E-5 1/K -
- 200.0 °C Coefficient of thermal expansion of 1.09E-5 1/K -
- 300.0 °C Coefficient of thermal expansion of 1.13E-5 1/K -
- 400.0 °C Coefficient of thermal expansion of 1.16E-5 1/K -
- 500.0 °C Coefficient of thermal expansion of 1.2E-5 1/K -
- 600.0 °C Coefficient of thermal expansion of 1.22E-5 1/K -
- 700.0 °C Coefficient of thermal expansion of 1.24E-5 1/K -
Max service temperature, long - Max service temperature, long of -60 - 300 °C -
Melting point - Melting point of 1370 - 1530 °C Typical for Martensitic Stainless Steel
Specific heat capacity 20.0 °C Specific heat capacity of 430 - 439 J/(kg·K) -
- 100.0 °C Specific heat capacity of 474 J/(kg·K) -
- 200.0 °C Specific heat capacity of 492 J/(kg·K) -
- 300.0 °C Specific heat capacity of 517 J/(kg·K) -
- 400.0 °C Specific heat capacity of 538 J/(kg·K) -
- 500.0 °C Specific heat capacity of 564 J/(kg·K) -
- 600.0 °C Specific heat capacity of 598 J/(kg·K) -
- 700.0 °C Specific heat capacity of 647 J/(kg·K) -
Thermal conductivity 20.0 °C Thermal conductivity of 15.7 - 25 W/(m·K) -
- 100.0 °C Thermal conductivity of 17.1 W/(m·K) -
- 200.0 °C Thermal conductivity of 18.6 W/(m·K) -
- 300.0 °C Thermal conductivity of 20 W/(m·K) -
- 400.0 °C Thermal conductivity of 21.2 W/(m·K) -
- 500.0 °C Thermal conductivity of 22.3 W/(m·K) -
- 600.0 °C Thermal conductivity of 23.1 W/(m·K) -
- 700.0 °C Thermal conductivity of 23.8 W/(m·K) -
Thermal diffusivity 20.0 °C Thermal diffusivity of 4.7 mm²/s -
- 100.0 °C Thermal diffusivity of 4.5 mm²/s -
- 200.0 °C Thermal diffusivity of 4.6 mm²/s -
- 300.0 °C Thermal diffusivity of 4.7 mm²/s -
- 400.0 °C Thermal diffusivity of 4.5 mm²/s -
- 500.0 °C Thermal diffusivity of 4.3 mm²/s -
- 600.0 °C Thermal diffusivity of 3.7 mm²/s -
- 700.0 °C Thermal diffusivity of 3 mm²/s -

EN 10028-7 Grade X3CrNiMo13-4 quenched and tempered (+QT) chemical

Property Value
Carbon Carbon of 0.05 %
Chromium Chromium of 12 - 14 %
Manganese Manganese of 1.5 %
Molybdenum Molybdenum of 0.3 - 0.7 %
Nickel Nickel of 3.5 - 4.5 %
Nitrogen Nitrogen of 0.02 %
Phosphorus Phosphorus of 0.04 %
Silicon Silicon of 0.7 %
Sulfur Sulfur of 0.015 %

EN 10028-7 Grade X3CrNiMo13-4 quenched and tempered (+QT) electrical

Property Temperature Value
Electrical resistivity 20.0 °C Electrical resistivity of 6E-7 - 9.19E-7 Ω·m
- 100.0 °C Electrical resistivity of 9.48E-7 Ω·m
- 200.0 °C Electrical resistivity of 9.87E-7 Ω·m
- 300.0 °C Electrical resistivity of 1.03E-6 Ω·m
- 400.0 °C Electrical resistivity of 1.07E-6 Ω·m
- 500.0 °C Electrical resistivity of 1.12E-6 Ω·m
- 600.0 °C Electrical resistivity of 1.18E-6 Ω·m
- 700.0 °C Electrical resistivity of 1.24E-6 Ω·m

EN 10028-7 Grade X3CrNiMo13-4 quenched and tempered (+QT) mechanical

Property Temperature Value Comment
Elastic modulus 20.0 °C Elastic modulus of 200 - 218 GPa -
- 100.0 °C Elastic modulus of 195 - 213 GPa -
- 200.0 °C Elastic modulus of 185 - 206 GPa -
- 300.0 °C Elastic modulus of 175 - 198 GPa -
- 400.0 °C Elastic modulus of 170 - 190 GPa -
- 500.0 °C Elastic modulus of 180 GPa -
- 600.0 °C Elastic modulus of 167 GPa -
- 700.0 °C Elastic modulus of 150 GPa -
Elongation 20.0 °C Elongation of 14 % -
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 780 - 980 MPa -
Yield strength Rp0.2 20.0 °C Yield strength Rp0.2 of 650 MPa -
- 50.0 °C Yield strength Rp0.2 of 627 MPa -
- 100.0 °C Yield strength Rp0.2 of 590 MPa -
- 150.0 °C Yield strength Rp0.2 of 575 MPa -
- 200.0 °C Yield strength Rp0.2 of 560 MPa -
- 250.0 °C Yield strength Rp0.2 of 545 MPa -
- 300.0 °C Yield strength Rp0.2 of 530 MPa -
- 350.0 °C Yield strength Rp0.2 of 515 MPa -

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