EN 10269 Grade X4CrNi18-12 solution annealed (+AT)
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EN 10269 Grade X4CrNi18-12 solution annealed (+AT)

EN 10269 Grade X4CrNi18-12 solution annealed (+AT) introduction

Trademark X4CrNi18-12 is comparable to X 5 CrNi 18 12 acc. to DIN 17440 : 1985-07. Application in chemical industry as well as for the production of screws, nuts and cold extrusion parts. In terms of its corrosion resistance there is no major difference to steel 1.4301 which is classified as highly corrosion resistant. Generally resistant in aggressive media that are poor in chloride up to pH-value 4.5. Resistance to intercrystalline corrosion only in delivery condition. This material is used in construction trade for fastening elements.
Further application for mounting elements at increased and lower temperatures.

Equivalent material: AFNOR Z4CN18-12, BS 305S19, GOST 06Ch18N11, ISO 13, UNI X8CrNi19-10, JIS SUS305, ÖNORM X5CrNi18-12KKW, UNE F.3513, UNE X8CrNi18-12, ASTM 305, DIN X5CrNi18-12, ASTM B8P, UNS S30500, GB 10Cr18Ni12, GB S30510, ASTM A193 Grade B8P, ASTM A320 Grade B8P, DIN 1.4303, DIN X4CrNi18-12, AFNOR Z1CN18-12, AFNOR Z5CN18-11FF, BS 305S17, AISI 305, AISI 308, SAE 305, SAE 308, JIS SUS305J1, JIS SUSY308, EN 1.4303, GOST 06X18H11, GB 1Cr18Ni12, ASTM ER308, UNS S30880

EN 10269 Grade X4CrNi18-12 solution annealed (+AT) general

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

EN 10269 Grade X4CrNi18-12 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 10269 Grade X4CrNi18-12 solution annealed (+AT) chemical

Property Value
Carbon Carbon of 0.06 %
Chromium Chromium of 17 - 19 %
Manganese Manganese of 2 %
Nickel Nickel of 11 - 13 %
Nitrogen Nitrogen of 0.1 %
Phosphorus Phosphorus of 0.05 %
Silicon Silicon of 1 %
Sulfur Sulfur of 0.015 - 0.03 %

EN 10269 Grade X4CrNi18-12 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 10269 Grade X4CrNi18-12 solution annealed (+AT) mechanical

Property Temperature Value
Elastic modulus -100.0 °C Elastic modulus of 206 GPa
- 20.0 °C Elastic modulus of 196 - 202.24 GPa
- 100.0 °C Elastic modulus of 190 - 194.36 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 157.59 - 165 GPa
- 600.0 °C Elastic modulus of 149.24 - 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 45 %
Poisson's ratio 20.0 °C Poisson's ratio of 0.29 [-]
- 100.0 °C Poisson's ratio of 0.29 [-]
- 200.0 °C Poisson's ratio of 0.3 [-]
- 300.0 °C Poisson's ratio of 0.3 [-]
- 400.0 °C Poisson's ratio of 0.31 [-]
- 500.0 °C Poisson's ratio of 0.32 [-]
- 600.0 °C Poisson's ratio of 0.33 [-]
Shear modulus 20.0 °C Shear modulus of 78.33 GPa
- 100.0 °C Shear modulus of 75.08 GPa
- 200.0 °C Shear modulus of 71.07 GPa
- 300.0 °C Shear modulus of 67.21 GPa
- 400.0 °C Shear modulus of 63.34 GPa
- 500.0 °C Shear modulus of 59.64 GPa
- 600.0 °C Shear modulus of 56.08 GPa
Tensile strength 20.0 °C Tensile strength of 500 - 700 MPa
- 50.0 °C Tensile strength of 480 MPa
- 100.0 °C Tensile strength of 450 MPa
- 150.0 °C Tensile strength of 420 MPa
- 200.0 °C Tensile strength of 400 MPa
- 250.0 °C Tensile strength of 390 MPa
- 300.0 °C Tensile strength of 380 MPa
- 350.0 °C Tensile strength of 380 MPa
- 400.0 °C Tensile strength of 380 MPa
- 450.0 °C Tensile strength of 375 MPa
- 500.0 °C Tensile strength of 360 MPa
- 550.0 °C Tensile strength of 335 MPa
- 600.0 °C Tensile strength of 300 MPa
Yield strength Rp0.2 20.0 °C Yield strength Rp0.2 of 190 MPa
- 50.0 °C Yield strength Rp0.2 of 177 MPa
- 100.0 °C Yield strength Rp0.2 of 155 MPa
- 150.0 °C Yield strength Rp0.2 of 140 MPa
- 200.0 °C Yield strength Rp0.2 of 127 MPa
- 250.0 °C Yield strength Rp0.2 of 118 MPa
- 300.0 °C Yield strength Rp0.2 of 110 MPa
- 350.0 °C Yield strength Rp0.2 of 104 MPa
- 400.0 °C Yield strength Rp0.2 of 98 MPa
- 450.0 °C Yield strength Rp0.2 of 95 MPa
- 500.0 °C Yield strength Rp0.2 of 92 MPa
- 550.0 °C Yield strength Rp0.2 of 90 MPa

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