EN 10028-2 Grade 15NiCuMoNb5-6-4 quenched and tempered (+QT)

EN 10028-2 Grade 15NiCuMoNb5-6-4 quenched and tempered (+QT) introduction

Alloy, heat resistant high-grade steel for pressure vessel application at increased temperatures.
Application: pressure vessel and steam boiler construction

Equivalent material: DIN 15NiCuMoNb5, EN 15NiCuMoNb5, IS SBV2, IS SBV3, ASTM A302 Grade C, ASTM A533 Grade B, ASTM A533 Grade C, ASTM A533 Grade D, UNS K12039, UNS K12529, UNS K12539, UNS K12554, IS 15NiCuMoNb5-6-4, BS 591, ASTM C, ASTM B, ASTM D, DIN 1.6368, EN 1.6368, DIN 15NiCuMoNb5-6-4, JIS SUS436LTP, JIS SUS436LTB, JIS SUS436L, JIS SUS436J1L, JIS SUS445J1, JIS SUSY308L, JIS SUSY347L, JIS SUS445J2

EN 10028-2 Grade 15NiCuMoNb5-6-4 quenched and tempered (+QT) general

Property Temperature Value Condition Related Standards Shape
Density 20 °C Density of 7.85 g/cm³ quenched and tempered (+QT) EN 10028-2 Sheet, Flat
- 20 °C Density of 7.85 - 7.851 g/cm³ quenched and tempered (+QT) EN 10028-2 Flat
- 20 °C Density of 7.851 g/cm³ quenched and tempered (+QT) EN 10028-2 Flat
- 50 °C Density of 7.842 g/cm³ quenched and tempered (+QT) EN 10028-2 Flat
- 100 °C Density of 7.827 g/cm³ quenched and tempered (+QT) EN 10028-2 Flat
- 150 °C Density of 7.811 g/cm³ quenched and tempered (+QT) EN 10028-2 Flat
- 200 °C Density of 7.794 g/cm³ quenched and tempered (+QT) EN 10028-2 Flat
- 250 °C Density of 7.777 g/cm³ quenched and tempered (+QT) EN 10028-2 Flat
- 300 °C Density of 7.76 g/cm³ quenched and tempered (+QT) EN 10028-2 Flat
- 350 °C Density of 7.742 g/cm³ quenched and tempered (+QT) EN 10028-2 Flat
- 400 °C Density of 7.724 g/cm³ quenched and tempered (+QT) EN 10028-2 Flat

EN 10028-2 Grade 15NiCuMoNb5-6-4 quenched and tempered (+QT) thermal

Property Temperature Value Condition Related Standards Shape Comment
Coefficient of thermal expansion -100 °C Coefficient of thermal expansion of 1.05e-05 1/K quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 20 °C Coefficient of thermal expansion of 1.15e-05 1/K quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 100 °C Coefficient of thermal expansion of 1.21e-05 - 1.22e-05 1/K quenched and tempered (+QT) EN 10028-2 Flat -
- 100 °C Coefficient of thermal expansion of 1.21e-05 1/K quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 100 °C Coefficient of thermal expansion of 1.22e-05 1/K quenched and tempered (+QT) EN 10028-2 Flat -
- 200 °C Coefficient of thermal expansion of 1.27e-05 - 1.29e-05 1/K quenched and tempered (+QT) EN 10028-2 Flat -
- 200 °C Coefficient of thermal expansion of 1.27e-05 1/K quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 200 °C Coefficient of thermal expansion of 1.29e-05 1/K quenched and tempered (+QT) EN 10028-2 Flat -
- 300 °C Coefficient of thermal expansion of 1.32e-05 - 1.34e-05 1/K quenched and tempered (+QT) EN 10028-2 Flat -
- 300 °C Coefficient of thermal expansion of 1.32e-05 1/K quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 300 °C Coefficient of thermal expansion of 1.34e-05 1/K quenched and tempered (+QT) EN 10028-2 Flat -
- 400 °C Coefficient of thermal expansion of 1.36e-05 - 1.4e-05 1/K quenched and tempered (+QT) EN 10028-2 Flat -
- 400 °C Coefficient of thermal expansion of 1.36e-05 1/K quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 400 °C Coefficient of thermal expansion of 1.4e-05 1/K quenched and tempered (+QT) EN 10028-2 Flat -
- 500 °C Coefficient of thermal expansion of 1.43e-05 1/K quenched and tempered (+QT) EN 10028-2 Flat -
- 600 °C Coefficient of thermal expansion of 1.46e-05 1/K quenched and tempered (+QT) EN 10028-2 Flat -
Max service temperature - Max service temperature of -10 - 500 °C quenched and tempered (+QT) EN 10028-2 Flat Long
- - Max service temperature of 20 - 500 °C quenched and tempered (+QT) EN 10028-2 Flat Long
Specific heat capacity -100 °C Specific heat capacity of 423 J/(kg·K) quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 20 °C Specific heat capacity of 430 J/(kg·K) quenched and tempered (+QT) EN 10028-2 Flat -
- 20 °C Specific heat capacity of 430 - 461 J/(kg·K) quenched and tempered (+QT) EN 10028-2 Flat -
- 20 °C Specific heat capacity of 461 J/(kg·K) quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 100 °C Specific heat capacity of 479 - 500 J/(kg·K) quenched and tempered (+QT) EN 10028-2 Flat -
- 100 °C Specific heat capacity of 479 J/(kg·K) quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 100 °C Specific heat capacity of 500 J/(kg·K) quenched and tempered (+QT) EN 10028-2 Flat -
- 200 °C Specific heat capacity of 499 - 540 J/(kg·K) quenched and tempered (+QT) EN 10028-2 Flat -
- 200 °C Specific heat capacity of 499 J/(kg·K) quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 200 °C Specific heat capacity of 540 J/(kg·K) quenched and tempered (+QT) EN 10028-2 Flat -
- 300 °C Specific heat capacity of 517 - 580 J/(kg·K) quenched and tempered (+QT) EN 10028-2 Flat -
- 300 °C Specific heat capacity of 517 J/(kg·K) quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 300 °C Specific heat capacity of 580 J/(kg·K) quenched and tempered (+QT) EN 10028-2 Flat -
- 400 °C Specific heat capacity of 536 - 620 J/(kg·K) quenched and tempered (+QT) EN 10028-2 Flat -
- 400 °C Specific heat capacity of 536 J/(kg·K) quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 400 °C Specific heat capacity of 620 J/(kg·K) quenched and tempered (+QT) EN 10028-2 Flat -
- 500 °C Specific heat capacity of 690 J/(kg·K) quenched and tempered (+QT) EN 10028-2 Flat -
- 600 °C Specific heat capacity of 780 J/(kg·K) quenched and tempered (+QT) EN 10028-2 Flat -
Thermal conductivity 20 °C Thermal conductivity of 38 W/(m·K) quenched and tempered (+QT) EN 10028-2 Flat -
- 20 °C Thermal conductivity of 38 - 38.6 W/(m·K) quenched and tempered (+QT) EN 10028-2 Flat -
- 20 °C Thermal conductivity of 38.6 W/(m·K) quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 100 °C Thermal conductivity of 40.4 - 41 W/(m·K) quenched and tempered (+QT) EN 10028-2 Flat -
- 100 °C Thermal conductivity of 40.4 W/(m·K) quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 100 °C Thermal conductivity of 41 W/(m·K) quenched and tempered (+QT) EN 10028-2 Flat -
- 200 °C Thermal conductivity of 41.3 - 42 W/(m·K) quenched and tempered (+QT) EN 10028-2 Flat -
- 200 °C Thermal conductivity of 41.3 W/(m·K) quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 200 °C Thermal conductivity of 42 W/(m·K) quenched and tempered (+QT) EN 10028-2 Flat -
- 300 °C Thermal conductivity of 40.7 - 41 W/(m·K) quenched and tempered (+QT) EN 10028-2 Flat -
- 300 °C Thermal conductivity of 40.7 W/(m·K) quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 300 °C Thermal conductivity of 41 W/(m·K) quenched and tempered (+QT) EN 10028-2 Flat -
- 400 °C Thermal conductivity of 39 W/(m·K) quenched and tempered (+QT) EN 10028-2 Flat -
- 400 °C Thermal conductivity of 39 - 39.3 W/(m·K) quenched and tempered (+QT) EN 10028-2 Flat -
- 400 °C Thermal conductivity of 39.3 W/(m·K) quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 500 °C Thermal conductivity of 38 W/(m·K) quenched and tempered (+QT) EN 10028-2 Flat -
- 600 °C Thermal conductivity of 35 W/(m·K) quenched and tempered (+QT) EN 10028-2 Flat -
Thermal diffusivity 20 °C Thermal diffusivity of 10.7 mm²/s quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 100 °C Thermal diffusivity of 10.4 mm²/s quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 200 °C Thermal diffusivity of 9.9 mm²/s quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 300 °C Thermal diffusivity of 9.2 mm²/s quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 400 °C Thermal diffusivity of 8.3 mm²/s quenched and tempered (+QT) EN 10028-2 Flat, Sheet -

EN 10028-2 Grade 15NiCuMoNb5-6-4 quenched and tempered (+QT) chemical

Property Value Condition Related Standards Shape
Aluminium Aluminium of 0.015 % quenched and tempered (+QT) EN 10028-2 Flat, Sheet
Carbon Carbon of 0.17 % quenched and tempered (+QT) EN 10028-2 Flat, Sheet
Chromium Chromium of 0.3 % quenched and tempered (+QT) EN 10028-2 Flat, Sheet
Copper Copper of 0.5 - 0.8 % quenched and tempered (+QT) EN 10028-2 Flat, Sheet
Manganese Manganese of 0.8 - 1.2 % quenched and tempered (+QT) EN 10028-2 Flat, Sheet
Molybdenum Molybdenum of 0.25 - 0.5 % quenched and tempered (+QT) EN 10028-2 Flat, Sheet
Nickel Nickel of 1 - 1.3 % quenched and tempered (+QT) EN 10028-2 Flat, Sheet
Niobium Niobium of 0.015 - 0.045 % quenched and tempered (+QT) EN 10028-2 Flat, Sheet
Nitrogen Nitrogen of 0.02 % quenched and tempered (+QT) EN 10028-2 Flat, Sheet
Phosphorus Phosphorus of 0.03 % quenched and tempered (+QT) EN 10028-2 Flat, Sheet
Silicon Silicon of 0.25 - 0.5 % quenched and tempered (+QT) EN 10028-2 Flat, Sheet
Sulfur Sulfur of 0.01 % quenched and tempered (+QT) EN 10028-2 Flat
- Sulfur of 0.025 % quenched and tempered (+QT) EN 10028-2 Sheet, Flat

EN 10028-2 Grade 15NiCuMoNb5-6-4 quenched and tempered (+QT) electrical

Property Temperature Value Condition Related Standards Shape Comment
Electrical conductivity - Electrical conductivity of 5 S/m - - - Predicted Value
Electrical resistivity 20 °C Electrical resistivity of 2.7e-07 Ω·m quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 50 °C Electrical resistivity of 2.87e-07 Ω·m quenched and tempered (+QT) EN 10028-2 Flat -
- 100 °C Electrical resistivity of 3.17e-07 - 3.2e-07 Ω·m quenched and tempered (+QT) EN 10028-2 Flat -
- 100 °C Electrical resistivity of 3.17e-07 Ω·m quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 100 °C Electrical resistivity of 3.2e-07 Ω·m quenched and tempered (+QT) EN 10028-2 Flat -
- 150 °C Electrical resistivity of 3.49e-07 Ω·m quenched and tempered (+QT) EN 10028-2 Flat -
- 200 °C Electrical resistivity of 3.8e-07 Ω·m quenched and tempered (+QT) EN 10028-2 Flat -
- 200 °C Electrical resistivity of 3.8e-07 - 3.82e-07 Ω·m quenched and tempered (+QT) EN 10028-2 Flat -
- 200 °C Electrical resistivity of 3.82e-07 Ω·m quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 250 °C Electrical resistivity of 4.21e-07 Ω·m quenched and tempered (+QT) EN 10028-2 Flat -
- 300 °C Electrical resistivity of 4.6e-07 Ω·m quenched and tempered (+QT) EN 10028-2 Flat -
- 300 °C Electrical resistivity of 4.6e-07 - 4.61e-07 Ω·m quenched and tempered (+QT) EN 10028-2 Flat -
- 300 °C Electrical resistivity of 4.61e-07 Ω·m quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 350 °C Electrical resistivity of 5.06e-07 Ω·m quenched and tempered (+QT) EN 10028-2 Flat -
- 400 °C Electrical resistivity of 5.5e-07 Ω·m quenched and tempered (+QT) EN 10028-2 Flat -
- 400 °C Electrical resistivity of 5.5e-07 - 5.54e-07 Ω·m quenched and tempered (+QT) EN 10028-2 Flat -
- 400 °C Electrical resistivity of 5.54e-07 Ω·m quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 500 °C Electrical resistivity of 6.6e-07 Ω·m quenched and tempered (+QT) EN 10028-2 Flat -
- 600 °C Electrical resistivity of 7.8e-07 Ω·m quenched and tempered (+QT) EN 10028-2 Flat -

EN 10028-2 Grade 15NiCuMoNb5-6-4 quenched and tempered (+QT) mechanical

Property Temperature Value Condition Related Standards Shape Comment
Elastic modulus -100 °C Elastic modulus of 217 GPa quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 20 °C Elastic modulus of 208.4 - 211 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 20 °C Elastic modulus of 208.4 - 212 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 20 °C Elastic modulus of 208.4 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 20 °C Elastic modulus of 211 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 20 °C Elastic modulus of 211 - 212 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 20 °C Elastic modulus of 212 GPa quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 50 °C Elastic modulus of 206.9 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 100 °C Elastic modulus of 204.1 - 206 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 100 °C Elastic modulus of 204.1 - 207 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 100 °C Elastic modulus of 204.1 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 100 °C Elastic modulus of 206 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 100 °C Elastic modulus of 206 - 207 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 100 °C Elastic modulus of 207 GPa quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 150 °C Elastic modulus of 200.6 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 200 °C Elastic modulus of 196.9 - 200 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 200 °C Elastic modulus of 196.9 - 199 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 200 °C Elastic modulus of 196.9 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 200 °C Elastic modulus of 199 - 200 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 200 °C Elastic modulus of 199 GPa quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 200 °C Elastic modulus of 200 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 250 °C Elastic modulus of 193.2 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 300 °C Elastic modulus of 189.2 - 192 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 300 °C Elastic modulus of 189.2 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 300 °C Elastic modulus of 192 GPa quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 350 °C Elastic modulus of 185.2 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 400 °C Elastic modulus of 181.0 - 184 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 400 °C Elastic modulus of 181.0 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 400 °C Elastic modulus of 184 GPa quenched and tempered (+QT) EN 10028-2 Flat, Sheet -
- 500 °C Elastic modulus of 175 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 600 °C Elastic modulus of 164 GPa quenched and tempered (+QT) EN 10028-2 Flat -
Elongation - Elongation of 15.5 % - - - Predicted Value, A80 Transverse
- - Elongation of 15.7 % - - - Predicted Value, A200
- - Elongation of 16.6 % - - - Predicted Value, A80
- - Elongation of 19.4 % - - - Predicted Value, A5
- - Elongation of 20.8 % - - - Predicted Value, A50
- 20 °C Elongation of 16 % quenched and tempered (+QT) EN 10028-2 Flat, Sheet Transverse
- 20 °C Elongation of 16 % quenched and tempered (+QT) EN 10028-2 Flat -
Hardness, Brinell - Hardness, Brinell of 253 [-] - - - Predicted Value, Transverse
Poisson's ratio 20 °C Poisson's ratio of 0.289 [-] quenched and tempered (+QT) EN 10028-2 Flat -
- 50 °C Poisson's ratio of 0.289 [-] quenched and tempered (+QT) EN 10028-2 Flat -
- 100 °C Poisson's ratio of 0.291 [-] quenched and tempered (+QT) EN 10028-2 Flat -
- 150 °C Poisson's ratio of 0.291 [-] quenched and tempered (+QT) EN 10028-2 Flat -
- 200 °C Poisson's ratio of 0.292 [-] quenched and tempered (+QT) EN 10028-2 Flat -
- 250 °C Poisson's ratio of 0.294 [-] quenched and tempered (+QT) EN 10028-2 Flat -
- 300 °C Poisson's ratio of 0.295 [-] quenched and tempered (+QT) EN 10028-2 Flat -
- 350 °C Poisson's ratio of 0.298 [-] quenched and tempered (+QT) EN 10028-2 Flat -
- 400 °C Poisson's ratio of 0.305 [-] quenched and tempered (+QT) EN 10028-2 Flat -
Reduction of area - Reduction of area of 39.2 % - - - Predicted Value
- - Reduction of area of 44.4 % - - - Predicted Value, Transverse
Shear modulus 20 °C Shear modulus of 80.8 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 50 °C Shear modulus of 80.2 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 100 °C Shear modulus of 79.0 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 150 °C Shear modulus of 77.7 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 200 °C Shear modulus of 76.2 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 250 °C Shear modulus of 74.7 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 300 °C Shear modulus of 73.1 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 350 °C Shear modulus of 71.3 GPa quenched and tempered (+QT) EN 10028-2 Flat -
- 400 °C Shear modulus of 69.4 GPa quenched and tempered (+QT) EN 10028-2 Flat -
Shear strength - Shear strength of 637.1 MPa - - - Predicted Value
Tensile strength 20 °C Tensile strength of 580 - 740 MPa quenched and tempered (+QT) EN 10028-2 Flat, Sheet Transverse
- 20 °C Tensile strength of 580 - 740 MPa quenched and tempered (+QT) EN 10028-2 Flat -
- 20 °C Tensile strength of 590 - 740 MPa quenched and tempered (+QT) EN 10028-2 Flat Transverse

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