EN 10272 Grade X2CrNiN18-10 solution annealed (+AT)
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EN 10272 Grade X2CrNiN18-10 solution annealed (+AT)

EN 10272 Grade X2CrNiN18-10 solution annealed (+AT) introduction

The austenitic steel grade X2CrNi19-11 acc. to DIN EN 10272 : 2001-01is used for hot and cold formed rods for pressure vessel. It shows due to the nitrogen-alloying an increased yield point also at higher temperatures. This is utilized in pressure vessel and lightweight construction. The N-content causes a corrosion resistance improvement. The material is resistant to intercrystalline corrosion also in sensitized condition.

Equivalent material: GB 00Cr18Ni10N, SFS 721, SFS X2CrNiN18-10, AFNOR Z2CN18-10Az, BS 304S61, GOST 03Ch18N11, ISO 10N, UNI X2CrNiN18-11, JIS SUS304LN, ÖNORM X2CrNiN18-10KKW, SS 2371, ASTM 304LN, DIN X2CrNiN18-10, GB 022Cr19Ni10N, GB S30453, KS STS304LN, SAE 304LN, UNS S30453, ISO X2CrNiN18-10, ISO X2CrNiN18-9, ISO 4311-304-53-I, ISO AP27A, GOST 03Х18Н11, ASTM A479Type304LN, AISI Type304LN, AISI 304LN, DIN 1.4311, AFNOR Z3CN18-10, BS 304S62, UNI X2CrNiN1810, JIS SUSF304LN, EN 1.4311

EN 10272 Grade X2CrNiN18-10 solution annealed (+AT) general

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

EN 10272 Grade X2CrNiN18-10 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 1.6E-5 - 1.67E-5 1/K -
- 200.0 °C Coefficient of thermal expansion of 1.65E-5 - 1.72E-5 1/K -
- 300.0 °C Coefficient of thermal expansion of 1.7E-5 - 1.77E-5 1/K -
- 400.0 °C Coefficient of thermal expansion of 1.75E-5 - 1.81E-5 1/K -
- 500.0 °C Coefficient of thermal expansion of 1.8E-5 - 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 - 500 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 - 15 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 10272 Grade X2CrNiN18-10 solution annealed (+AT) chemical

Property Value
Carbon Carbon of 0.03 %
Chromium Chromium of 17 - 19.5 %
Manganese Manganese of 2 %
Nickel Nickel of 8.5 - 11.5 %
Nitrogen Nitrogen of 0.12 - 0.22 %
Phosphorus Phosphorus of 0.05 %
Silicon Silicon of 1 %
Sulfur Sulfur of 0.015 - 0.03 %

EN 10272 Grade X2CrNiN18-10 solution annealed (+AT) electrical

Property Temperature Value
Electrical resistivity 20.0 °C Electrical resistivity of 7.1E-7 - 7.3E-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 10272 Grade X2CrNiN18-10 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 - 194 GPa -
- 200.0 °C Elastic modulus of 182 - 186 GPa -
- 300.0 °C Elastic modulus of 174 - 179 GPa -
- 400.0 °C Elastic modulus of 166 - 172 GPa -
- 500.0 °C Elastic modulus of 158 - 165 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 40 % -
Elongation, transverse 20.0 °C Elongation, transverse of 30 % -
Hardness, Brinell 20.0 °C Hardness, Brinell of 230 [-] -
Hardness, Brinell, trans 20.0 °C Hardness, Brinell, trans of 230 [-] -
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 - 760 MPa -
- 100.0 °C Tensile strength of 490 MPa -
- 150.0 °C Tensile strength of 460 MPa -
- 200.0 °C Tensile strength of 430 MPa -
- 250.0 °C Tensile strength of 420 MPa -
- 300.0 °C Tensile strength of 410 MPa -
- 350.0 °C Tensile strength of 410 MPa -
Tensile strength, transverse 20.0 °C Tensile strength, transverse of 550 - 760 MPa -
Yield strength Rp0.2 20.0 °C Yield strength Rp0.2 of 270 MPa -
- 100.0 °C Yield strength Rp0.2 of 205 MPa -
- 150.0 °C Yield strength Rp0.2 of 175 MPa -
- 200.0 °C Yield strength Rp0.2 of 157 MPa -
- 250.0 °C Yield strength Rp0.2 of 145 MPa -
- 300.0 °C Yield strength Rp0.2 of 136 MPa -
- 350.0 °C Yield strength Rp0.2 of 130 MPa -
- 400.0 °C Yield strength Rp0.2 of 125 MPa -
- 450.0 °C Yield strength Rp0.2 of 121 MPa -
- 500.0 °C Yield strength Rp0.2 of 119 MPa -
- 550.0 °C Yield strength Rp0.2 of 118 MPa -
Yield strength Rp0.2, transverse 20.0 °C Yield strength Rp0.2, transverse of 270 MPa -
Yield strength Rp1.0 20.0 °C Yield strength Rp1.0 of 305 MPa -
- 100.0 °C Yield strength Rp1.0 of 240 MPa -
- 150.0 °C Yield strength Rp1.0 of 210 MPa -
- 200.0 °C Yield strength Rp1.0 of 187 MPa -
- 250.0 °C Yield strength Rp1.0 of 175 MPa -
- 300.0 °C Yield strength Rp1.0 of 167 MPa -
- 350.0 °C Yield strength Rp1.0 of 160 MPa -
- 400.0 °C Yield strength Rp1.0 of 156 MPa -
- 450.0 °C Yield strength Rp1.0 of 152 MPa -
- 500.0 °C Yield strength Rp1.0 of 149 MPa -
- 550.0 °C Yield strength Rp1.0 of 147 MPa -
Yield strength Rp1.0, transverse 20.0 °C Yield strength Rp1.0, transverse of 305 MPa -

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