EN 10216-5 Grade X6CrNi18-10 solution annealed (+AT)

EN 10216-5 Grade X6CrNi18-10 solution annealed (+AT) introduction

The non-stabilised corrosion resistant austenitic steel X6CrNi18-10 (1.4948) is heat resistant up to 650 °C. Application mainly in the reactor engineering (Na-cooling circuits in fast breeders), in the steam boiler engineering as well as for pressure vessels and fastener parts. Acc. to DIN EN 1095 : 1999-05 it can be used as heat resistant steel.

Equivalent material: GB 07Cr19Ni10, GB S30409, UNS S30409, ASTM 304H, ASME 304H, ISO X7CrNi18-9, JIS SUS304HTB, JIS SUS304HTF, KS STS304HTB, ASTM A213Type304H, ASME SA-213Type304H, AISI 304H, AISI Type304H, DIN 1.4948, DIN X6CrNi18-11, DIN X6CrNi18-10, AFNOR Z6CN18-09, SAE 304H, JIS SUS304H, JIS SUS304HTP, JIS SUSF304H, EN X6CrNi18-11, EN 1.4948, ASTM TP304H, ASTM S30409

EN 10216-5 Grade X6CrNi18-10 solution annealed (+AT) general

Property Temperature Value
Density 20.0 °C Density of 7.9 - 7.93 g/cm³

EN 10216-5 Grade X6CrNi18-10 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 0 - 750 °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 14.3 - 17 W/(m·K) -
- 100.0 °C Thermal conductivity of 15.8 W/(m·K) -
- 200.0 °C Thermal conductivity of 17.5 W/(m·K) -
- 300.0 °C Thermal conductivity of 19 W/(m·K) -
- 400.0 °C Thermal conductivity of 20.5 W/(m·K) -
- 500.0 °C Thermal conductivity of 21.9 W/(m·K) -
- 600.0 °C Thermal conductivity of 23.3 W/(m·K) -
- 700.0 °C Thermal conductivity of 24.6 W/(m·K) -
- 800.0 °C Thermal conductivity of 26 W/(m·K) -
- 900.0 °C Thermal conductivity of 27.4 W/(m·K) -
- 1000.0 °C Thermal conductivity of 28.8 W/(m·K) -
Thermal diffusivity 20.0 °C Thermal diffusivity of 3.8 mm²/s -
- 100.0 °C Thermal diffusivity of 4 mm²/s -
- 200.0 °C Thermal diffusivity of 4.2 mm²/s -
- 300.0 °C Thermal diffusivity of 4.6 mm²/s -
- 400.0 °C Thermal diffusivity of 4.8 mm²/s -
- 500.0 °C Thermal diffusivity of 4.9 mm²/s -
- 600.0 °C Thermal diffusivity of 5 mm²/s -
- 700.0 °C Thermal diffusivity of 5.3 mm²/s -
- 800.0 °C Thermal diffusivity of 5.6 mm²/s -
- 900.0 °C Thermal diffusivity of 5.9 mm²/s -
- 1000.0 °C Thermal diffusivity of 6 mm²/s -

EN 10216-5 Grade X6CrNi18-10 solution annealed (+AT) chemical

Property Value
Carbon Carbon of 0.04 - 0.08 %
Chromium Chromium of 17 - 19 %
Manganese Manganese of 2 %
Nickel Nickel of 8 - 11 %
Nitrogen Nitrogen of 0.11 %
Phosphorus Phosphorus of 0.04 %
Silicon Silicon of 1 %
Sulfur Sulfur of 0.015 %

EN 10216-5 Grade X6CrNi18-10 solution annealed (+AT) electrical

Property Temperature Value
Electrical resistivity 20.0 °C Electrical resistivity of 7.1E-7 Ω·m
- 100.0 °C Electrical resistivity of 7.76E-7 Ω·m
- 200.0 °C Electrical resistivity of 8.49E-7 Ω·m
- 300.0 °C Electrical resistivity of 9.14E-7 Ω·m
- 400.0 °C Electrical resistivity of 9.71E-7 Ω·m
- 500.0 °C Electrical resistivity of 1.02E-6 Ω·m
- 600.0 °C Electrical resistivity of 1.07E-6 Ω·m
- 700.0 °C Electrical resistivity of 1.1E-6 Ω·m
- 800.0 °C Electrical resistivity of 1.14E-6 Ω·m
- 900.0 °C Electrical resistivity of 1.17E-6 Ω·m
- 1000.0 °C Electrical resistivity of 1.19E-6 Ω·m

EN 10216-5 Grade X6CrNi18-10 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 20.0 °C Elongation of 40 % -
Elongation, transverse 20.0 °C Elongation, transverse of 30 % -
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
Yield strength Rp0.2 20.0 °C Yield strength Rp0.2 of 185 MPa -
- 50.0 °C Yield strength Rp0.2 of 174 MPa -
- 100.0 °C Yield strength Rp0.2 of 157 MPa -
- 150.0 °C Yield strength Rp0.2 of 142 MPa -
- 200.0 °C Yield strength Rp0.2 of 127 MPa -
- 250.0 °C Yield strength Rp0.2 of 117 MPa -
- 300.0 °C Yield strength Rp0.2 of 108 MPa -
- 350.0 °C Yield strength Rp0.2 of 103 MPa -
- 400.0 °C Yield strength Rp0.2 of 98 MPa -
- 450.0 °C Yield strength Rp0.2 of 93 MPa -
- 500.0 °C Yield strength Rp0.2 of 88 MPa -
- 550.0 °C Yield strength Rp0.2 of 83 MPa -
Yield strength Rp0.2, transverse 20.0 °C Yield strength Rp0.2, transverse of 185 MPa -
Yield strength Rp1.0 20.0 °C Yield strength Rp1.0 of 225 MPa -
- 50.0 °C Yield strength Rp1.0 of 201 MPa -
- 100.0 °C Yield strength Rp1.0 of 191 MPa -
- 150.0 °C Yield strength Rp1.0 of 172 MPa -
- 200.0 °C Yield strength Rp1.0 of 157 MPa -
- 250.0 °C Yield strength Rp1.0 of 147 MPa -
- 300.0 °C Yield strength Rp1.0 of 137 MPa -
- 350.0 °C Yield strength Rp1.0 of 132 MPa -
- 400.0 °C Yield strength Rp1.0 of 127 MPa -
- 450.0 °C Yield strength Rp1.0 of 122 MPa -
- 500.0 °C Yield strength Rp1.0 of 118 MPa -
- 550.0 °C Yield strength Rp1.0 of 113 MPa -
Yield strength Rp1.0, transverse 20.0 °C Yield strength Rp1.0, transverse of 225 MPa -

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