EN 10312 Grade X2CrNiMo17-12-2 solution heat-treated and quenched
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EN 10312 Grade X2CrNiMo17-12-2 solution heat-treated and quenched

EN 10312 Grade X2CrNiMo17-12-2 solution heat-treated and quenched introduction

The material X2CrNiMo17-12-2 is a modification of steel 1.4401 with high resistance to non oxidizing acids and chloride containing media. This steel is suitable for mirror finishing and very good cold formable. Its corrosion properties are still improved owing to the lowered C-content. The material is resistant to intercrystalline corrosion also in sensitized condition. Application in apparatus engineering of the chemical industry as well as in cellulose, textile and pharmaceutical industry and in sewage plants.
The welding method for the tube manufacturing is up to the producer.

Equivalent material: DIN 1.4404, DIN X2CrNiMo18-10, DIN G-X2CrNiMoN18-14, DIN GX2CrNiMoN18-14, DIN X2CrNiMoN17-12-2, DIN X2CrNiMo17-13-2, DIN G-X2CrNiMoN18-10, AFNOR Z2CND17-12, BS 316S12, UNI X2CrNiMo1712, SS 2343, SS 2348, SS 2553, AISI 316L, SAE 316L, JIS SUS316L, JIS SCS16, EN X2CrNiMo17-12-2, EN 1.4404, GOST 03Ch17N13M2, GB 022Cr17Ni12Mo2, ASTM 316L, UNS S31603, IS X02Cr17Ni12Mo2

EN 10312 Grade X2CrNiMo17-12-2 solution heat-treated and quenched general

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

EN 10312 Grade X2CrNiMo17-12-2 solution heat-treated and quenched 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 10312 Grade X2CrNiMo17-12-2 solution heat-treated and quenched chemical

Property Value
Carbon Carbon of 0.03 %
Chromium Chromium of 16.5 - 18.5 %
Manganese Manganese of 2 %
Molybdenum Molybdenum of 2 - 2.5 %
Nickel Nickel of 10 - 13 %
Nitrogen Nitrogen of 0.11 %
Phosphorus Phosphorus of 0.05 %
Silicon Silicon of 1 %
Sulfur Sulfur of 0.015 %

EN 10312 Grade X2CrNiMo17-12-2 solution heat-treated and quenched 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 10312 Grade X2CrNiMo17-12-2 solution heat-treated and quenched 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 40 % -
Elongation, transverse 20.0 °C Elongation, transverse of 35 % -
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 490 - 690 MPa -
Tensile strength, transverse 20.0 °C Tensile strength, transverse of 490 - 690 MPa -
Yield strength 20.0 °C Yield strength of 190 MPa -
Yield strength Rp0.2 50.0 °C Yield strength Rp0.2 of 182 MPa -
- 100.0 °C Yield strength Rp0.2 of 166 MPa -
- 150.0 °C Yield strength Rp0.2 of 152 MPa -
- 200.0 °C Yield strength Rp0.2 of 137 MPa -
- 250.0 °C Yield strength Rp0.2 of 127 MPa -
- 300.0 °C Yield strength Rp0.2 of 118 MPa -
- 350.0 °C Yield strength Rp0.2 of 113 MPa -
- 400.0 °C Yield strength Rp0.2 of 108 MPa -
- 450.0 °C Yield strength Rp0.2 of 103 MPa -
- 500.0 °C Yield strength Rp0.2 of 100 MPa -
- 550.0 °C Yield strength Rp0.2 of 98 MPa -
Yield strength Rp1.0 20.0 °C Yield strength Rp1.0 of 225 MPa -
- 50.0 °C Yield strength Rp1.0 of 217 MPa -
- 100.0 °C Yield strength Rp1.0 of 199 MPa -
- 150.0 °C Yield strength Rp1.0 of 181 MPa -
- 200.0 °C Yield strength Rp1.0 of 167 MPa -
- 250.0 °C Yield strength Rp1.0 of 157 MPa -
- 300.0 °C Yield strength Rp1.0 of 145 MPa -
- 350.0 °C Yield strength Rp1.0 of 139 MPa -
- 400.0 °C Yield strength Rp1.0 of 135 MPa -
- 450.0 °C Yield strength Rp1.0 of 130 MPa -
- 500.0 °C Yield strength Rp1.0 of 128 MPa -
- 550.0 °C Yield strength Rp1.0 of 127 MPa -
Yield strength Rp1.0, transverse 20.0 °C Yield strength Rp1.0, transverse of 225 MPa -
Yield strength, transverse 20.0 °C Yield strength, transverse of 190 MPa -

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