EN 10028-7 Grade X3CrNiMoBN17-13-3 solution annealed (+AT)

EN 10028-7 Grade X3CrNiMoBN17-13-3 solution annealed (+AT) introduction

The nitrogen-alloyed austenitic steel X3CrNiMoBN17-13-3 is applicated for superheater and hot steam tubes, collectors, heat-exchanger and other high loaded parts in power plant engineering as well as for pressure vessel and steam boiler construction in chemical industry. The material is resistant to intercrystalline corrosion, also in the sensitized condition.

Equivalent material: AFNOR Z2CND17-12, BS 316S24, UNI X2CrNiMoN17-13, UNS S31651, ASTM 316N, DIN X3CrNiMoN17-13, ISO X3CrNiMoBN17-13-3, ISO 4910-316-77-E, DIN 1.4910, DIN X3CrNiMoBN17-13-3, AISI 316LN, SAE 316LN, EN X3CrNiMoN17-13-3, EN X3CrNiMoNB17-13-3, EN X3NiMoN17-13-3, EN 1.4910, ASTM S31653, UNS S31653

EN 10028-7 Grade X3CrNiMoBN17-13-3 solution annealed (+AT) general

Property Temperature Value
Density 20.0 °C Density of 7.98 - 8 g/cm³

EN 10028-7 Grade X3CrNiMoBN17-13-3 solution annealed (+AT) 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 1.63E-5 - 1.67E-5 1/K -
- 200.0 °C Coefficient of thermal expansion of 1.69E-5 - 1.72E-5 1/K -
- 300.0 °C Coefficient of thermal expansion of 1.73E-5 - 1.77E-5 1/K -
- 400.0 °C Coefficient of thermal expansion of 1.78E-5 - 1.81E-5 1/K -
- 500.0 °C Coefficient of thermal expansion of 1.82E-5 - 1.84E-5 1/K -
- 600.0 °C Coefficient of thermal expansion of 1.85E-5 - 1.88E-5 1/K -
- 700.0 °C Coefficient of thermal expansion of 1.87E-5 - 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 -
Max service temperature, long - Max service temperature, long of 600 - 800 °C -
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 450 - 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 13.5 - 16 W/(m·K) -
- 100.0 °C Thermal conductivity of 15 W/(m·K) -
- 200.0 °C Thermal conductivity of 16.7 W/(m·K) -
- 300.0 °C Thermal conductivity of 18.3 W/(m·K) -
- 400.0 °C Thermal conductivity of 19.8 W/(m·K) -
- 500.0 °C Thermal conductivity of 21.2 W/(m·K) -
- 600.0 °C Thermal conductivity of 22.7 W/(m·K) -
- 700.0 °C Thermal conductivity of 24.1 W/(m·K) -
- 800.0 °C Thermal conductivity of 25.5 W/(m·K) -
- 900.0 °C Thermal conductivity of 26.9 W/(m·K) -
- 1000.0 °C Thermal conductivity of 28.3 W/(m·K) -
Thermal diffusivity 20.0 °C Thermal diffusivity of 3.6 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 4.4 mm²/s -
- 400.0 °C Thermal diffusivity of 4.6 mm²/s -
- 500.0 °C Thermal diffusivity of 4.7 mm²/s -
- 600.0 °C Thermal diffusivity of 4.9 mm²/s -
- 700.0 °C Thermal diffusivity of 5.2 mm²/s -
- 800.0 °C Thermal diffusivity of 5.5 mm²/s -
- 900.0 °C Thermal diffusivity of 5.8 mm²/s -
- 1000.0 °C Thermal diffusivity of 5.9 mm²/s -

EN 10028-7 Grade X3CrNiMoBN17-13-3 solution annealed (+AT) chemical

Property Value
Boron Boron of 1.5E-3 - 5E-3 %
Carbon Carbon of 0.04 %
Chromium Chromium of 16 - 18 %
Manganese Manganese of 2 %
Molybdenum Molybdenum of 2 - 3 %
Nickel Nickel of 12 - 14 %
Nitrogen Nitrogen of 0.1 - 0.18 %
Phosphorus Phosphorus of 0.04 %
Silicon Silicon of 0.75 %
Sulfur Sulfur of 0.015 %

EN 10028-7 Grade X3CrNiMoBN17-13-3 solution annealed (+AT) electrical

Property Temperature Value
Electrical resistivity 20.0 °C Electrical resistivity of 7.7E-7 Ω·m
- 100.0 °C Electrical resistivity of 8.34E-7 Ω·m
- 200.0 °C Electrical resistivity of 9.03E-7 Ω·m
- 300.0 °C Electrical resistivity of 9.64E-7 Ω·m
- 400.0 °C Electrical resistivity of 1.02E-6 Ω·m
- 500.0 °C Electrical resistivity of 1.06E-6 Ω·m
- 600.0 °C Electrical resistivity of 1.1E-6 Ω·m
- 700.0 °C Electrical resistivity of 1.13E-6 Ω·m
- 800.0 °C Electrical resistivity of 1.17E-6 Ω·m
- 900.0 °C Electrical resistivity of 1.19E-6 Ω·m
- 1000.0 °C Electrical resistivity of 1.22E-6 Ω·m

EN 10028-7 Grade X3CrNiMoBN17-13-3 solution annealed (+AT) mechanical

Property Temperature Value Comment
Elastic modulus -100.0 °C Elastic modulus of 206 GPa -
- 20.0 °C Elastic modulus of 196 - 200 GPa -
- 100.0 °C Elastic modulus of 190 GPa -
- 200.0 °C Elastic modulus of 182 - 185 GPa -
- 300.0 °C Elastic modulus of 174 - 175 GPa -
- 400.0 °C Elastic modulus of 166 - 170 GPa -
- 500.0 °C Elastic modulus of 158 - 160 GPa -
- 600.0 °C Elastic modulus of 150 - 155 GPa -
- 700.0 °C Elastic modulus of 142 - 145 GPa -
- 800.0 °C Elastic modulus of 134 - 140 GPa -
- 900.0 °C Elastic modulus of 127 - 135 GPa -
- 1000.0 °C Elastic modulus of 120 - 125 GPa -
Elongation A80, transverse 20.0 °C Elongation A80, transverse of 35 % -
Elongation, transverse 20.0 °C Elongation, transverse of 40 % -
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 550 - 780 MPa -
- 50.0 °C Tensile strength of 529 MPa -
- 100.0 °C Tensile strength of 495 MPa -
- 150.0 °C Tensile strength of 472 MPa -
- 200.0 °C Tensile strength of 450 MPa -
- 250.0 °C Tensile strength of 440 MPa -
- 300.0 °C Tensile strength of 430 MPa -
- 350.0 °C Tensile strength of 425 MPa -
- 400.0 °C Tensile strength of 420 MPa -
- 450.0 °C Tensile strength of 410 MPa -
- 500.0 °C Tensile strength of 400 MPa -
- 550.0 °C Tensile strength of 385 MPa -
- 600.0 °C Tensile strength of 365 MPa -
Tensile strength, transverse 20.0 °C Tensile strength, transverse of 550 - 780 MPa -
Yield strength Rp0.2 50.0 °C Yield strength Rp0.2 of 239 MPa -
- 100.0 °C Yield strength Rp0.2 of 205 MPa -
- 150.0 °C Yield strength Rp0.2 of 187 MPa -
- 200.0 °C Yield strength Rp0.2 of 170 MPa -
- 250.0 °C Yield strength Rp0.2 of 159 MPa -
- 300.0 °C Yield strength Rp0.2 of 148 MPa -
- 350.0 °C Yield strength Rp0.2 of 141 MPa -
- 400.0 °C Yield strength Rp0.2 of 134 MPa -
- 450.0 °C Yield strength Rp0.2 of 130 MPa -
- 500.0 °C Yield strength Rp0.2 of 127 MPa -
- 550.0 °C Yield strength Rp0.2 of 124 MPa -
- 600.0 °C Yield strength Rp0.2 of 121 MPa -
Yield strength Rp0.2, transverse 20.0 °C Yield strength Rp0.2, transverse of 260 - 300 MPa -
Yield strength Rp1.0 50.0 °C Yield strength Rp1.0 of 277 MPa -
- 100.0 °C Yield strength Rp1.0 of 240 MPa -
- 150.0 °C Yield strength Rp1.0 of 220 MPa -
- 200.0 °C Yield strength Rp1.0 of 200 MPa -
- 250.0 °C Yield strength Rp1.0 of 189 MPa -
- 300.0 °C Yield strength Rp1.0 of 178 MPa -
- 350.0 °C Yield strength Rp1.0 of 171 MPa -
- 400.0 °C Yield strength Rp1.0 of 164 MPa -
- 450.0 °C Yield strength Rp1.0 of 160 MPa -
- 500.0 °C Yield strength Rp1.0 of 157 MPa -
- 550.0 °C Yield strength Rp1.0 of 154 MPa -
- 600.0 °C Yield strength Rp1.0 of 151 MPa -
Yield strength Rp1.0, transverse 20.0 °C Yield strength Rp1.0, transverse of 300 - 330 MPa -

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