EN 10216-5 Grade X8CrNiMoVNb16-13 solution heat-treated and precipitation hardened (+AT+P)

EN 10216-5 Grade X8CrNiMoVNb16-13 solution heat-treated and precipitation hardened (+AT+P) introduction

Precipitation hardening, austenitic high temperature special steel which is resistant to scaling up to 750 degrees C and is creep resistant up to 650 degrees C. Used in steam boiler and turbine construction, in the chemical and petrochemical industries, for pipes in power plant construction. In the hardened condition it is used for turbine shovels, spindles, screws as well as for construction components in mechanical engineering.

Equivalent material: DIN 1.4988, EN X8CrNiMoVNb16-13, EN 1.4988

EN 10216-5 Grade X8CrNiMoVNb16-13 solution heat-treated and precipitation hardened (+AT+P) general

Property Temperature Value
Density 20.0 °C Density of 7.96 g/cm³

EN 10216-5 Grade X8CrNiMoVNb16-13 solution heat-treated and precipitation hardened (+AT+P) thermal

Property Temperature Value Comment
Coefficient of thermal expansion -100.0 °C Coefficient of thermal expansion of 1.49E-5 1/K -
- 20.0 °C Coefficient of thermal expansion of 1.61E-5 1/K -
- 100.0 °C Coefficient of thermal expansion of 1.67E-5 1/K -
- 200.0 °C Coefficient of thermal expansion of 1.72E-5 1/K -
- 300.0 °C Coefficient of thermal expansion of 1.77E-5 1/K -
- 400.0 °C Coefficient of thermal expansion of 1.81E-5 1/K -
- 500.0 °C Coefficient of thermal expansion of 1.84E-5 1/K -
- 600.0 °C Coefficient of thermal expansion of 1.88E-5 1/K -
- 700.0 °C Coefficient of thermal expansion of 1.91E-5 1/K -
- 800.0 °C Coefficient of thermal expansion of 1.94E-5 1/K -
- 900.0 °C Coefficient of thermal expansion of 1.97E-5 1/K -
- 1000.0 °C Coefficient of thermal expansion of 2E-5 1/K -
Melting point - Melting point of 1230 - 1480 °C Typical for Austenitic Stainless Steel
Specific heat capacity -100.0 °C Specific heat capacity of 440 J/(kg·K) -
- 20.0 °C Specific heat capacity of 472 J/(kg·K) -
- 100.0 °C Specific heat capacity of 487 J/(kg·K) -
- 200.0 °C Specific heat capacity of 503 J/(kg·K) -
- 300.0 °C Specific heat capacity of 512 J/(kg·K) -
- 400.0 °C Specific heat capacity of 520 J/(kg·K) -
- 500.0 °C Specific heat capacity of 530 J/(kg·K) -
- 600.0 °C Specific heat capacity of 541 J/(kg·K) -
- 700.0 °C Specific heat capacity of 551 J/(kg·K) -
- 800.0 °C Specific heat capacity of 559 J/(kg·K) -
- 900.0 °C Specific heat capacity of 565 J/(kg·K) -
- 1000.0 °C Specific heat capacity of 571 J/(kg·K) -
Thermal conductivity 20.0 °C Thermal conductivity of 13.3 W/(m·K) -
- 100.0 °C Thermal conductivity of 14.9 W/(m·K) -
- 200.0 °C Thermal conductivity of 16.5 W/(m·K) -
- 300.0 °C Thermal conductivity of 18.1 W/(m·K) -
- 400.0 °C Thermal conductivity of 19.5 W/(m·K) -
- 500.0 °C Thermal conductivity of 21 W/(m·K) -
- 600.0 °C Thermal conductivity of 22.4 W/(m·K) -
- 700.0 °C Thermal conductivity of 23.8 W/(m·K) -
- 800.0 °C Thermal conductivity of 25.2 W/(m·K) -
Thermal diffusivity 20.0 °C Thermal diffusivity of 3.5 mm²/s -
- 100.0 °C Thermal diffusivity of 3.8 mm²/s -
- 200.0 °C Thermal diffusivity of 4 mm²/s -
- 300.0 °C Thermal diffusivity of 4.3 mm²/s -
- 400.0 °C Thermal diffusivity of 4.5 mm²/s -
- 500.0 °C Thermal diffusivity of 4.7 mm²/s -
- 600.0 °C Thermal diffusivity of 4.8 mm²/s -
- 700.0 °C Thermal diffusivity of 5.1 mm²/s -
- 800.0 °C Thermal diffusivity of 5.4 mm²/s -

EN 10216-5 Grade X8CrNiMoVNb16-13 solution heat-treated and precipitation hardened (+AT+P) chemical

Property Value
Carbon Carbon of 0.04 - 0.1 %
Chromium Chromium of 15.5 - 17.5 %
Manganese Manganese of 1.5 %
Molybdenum Molybdenum of 1.1 - 1.5 %
Nickel Nickel of 12.5 - 14.5 %
Niobium Niobium of 1.2 %
Phosphorus Phosphorus of 0.04 %
Silicon Silicon of 0.3 - 0.6 %
Sulfur Sulfur of 0.015 %
Vanadium Vanadium of 0.6 - 0.85 %

EN 10216-5 Grade X8CrNiMoVNb16-13 solution heat-treated and precipitation hardened (+AT+P) electrical

Property Temperature Value
Electrical resistivity 20.0 °C Electrical resistivity of 7.91E-7 Ω·m
- 100.0 °C Electrical resistivity of 8.45E-7 Ω·m
- 200.0 °C Electrical resistivity of 9.19E-7 Ω·m
- 300.0 °C Electrical resistivity of 9.77E-7 Ω·m
- 400.0 °C Electrical resistivity of 1.03E-6 Ω·m
- 500.0 °C Electrical resistivity of 1.08E-6 Ω·m
- 600.0 °C Electrical resistivity of 1.12E-6 Ω·m
- 700.0 °C Electrical resistivity of 1.15E-6 Ω·m
- 800.0 °C Electrical resistivity of 1.18E-6 Ω·m

EN 10216-5 Grade X8CrNiMoVNb16-13 solution heat-treated and precipitation hardened (+AT+P) mechanical

Property Temperature Value Comment
Elastic modulus -100.0 °C Elastic modulus of 206 GPa -
- 20.0 °C Elastic modulus of 196 GPa -
- 100.0 °C Elastic modulus of 190 GPa -
- 200.0 °C Elastic modulus of 182 GPa -
- 300.0 °C Elastic modulus of 174 GPa -
- 400.0 °C Elastic modulus of 166 GPa -
- 500.0 °C Elastic modulus of 158 GPa -
- 600.0 °C Elastic modulus of 150 GPa -
- 700.0 °C Elastic modulus of 142 GPa -
- 800.0 °C Elastic modulus of 134 GPa -
- 900.0 °C Elastic modulus of 127 GPa -
- 1000.0 °C Elastic modulus of 120 GPa -
Elongation 20.0 °C Elongation of 30 % -
Elongation, transverse 20.0 °C Elongation, transverse of 20 % -
Poisson's ratio 23.0 °C Poisson's ratio of 0.3 [-] Typical for Austenitic Stainless Steel
Shear modulus 23.0 °C Shear modulus of 77 GPa Typical for Austenitic Stainless Steel
Tensile strength 20.0 °C Tensile strength of 540 - 740 MPa -
Tensile strength, transverse 20.0 °C Tensile strength, transverse of 540 - 740 MPa -
Yield strength Rp0.2 20.0 °C Yield strength Rp0.2 of 255 MPa -
- 100.0 °C Yield strength Rp0.2 of 215 MPa -
- 200.0 °C Yield strength Rp0.2 of 196 MPa -
- 300.0 °C Yield strength Rp0.2 of 177 MPa -
- 400.0 °C Yield strength Rp0.2 of 167 MPa -
- 500.0 °C Yield strength Rp0.2 of 157 MPa -
- 550.0 °C Yield strength Rp0.2 of 152 MPa -
- 600.0 °C Yield strength Rp0.2 of 147 MPa -
Yield strength Rp0.2, transverse 20.0 °C Yield strength Rp0.2, transverse of 255 MPa -
Yield strength Rp1.0 20.0 °C Yield strength Rp1.0 of 295 MPa -
- 100.0 °C Yield strength Rp1.0 of 245 MPa -
- 200.0 °C Yield strength Rp1.0 of 226 MPa -
- 300.0 °C Yield strength Rp1.0 of 206 MPa -
- 400.0 °C Yield strength Rp1.0 of 196 MPa -
- 500.0 °C Yield strength Rp1.0 of 186 MPa -
- 550.0 °C Yield strength Rp1.0 of 181 MPa -
- 600.0 °C Yield strength Rp1.0 of 177 MPa -
Yield strength Rp1.0, transverse 20.0 °C Yield strength Rp1.0, transverse of 295 MPa -

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