EN 10028-7 Grade X2CrNiMo17-12-2 solution annealed (+AT)
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EN 10028-7 Grade X2CrNiMo17-12-2 solution annealed (+AT)

EN 10028-7 Grade X2CrNiMo17-12-2 solution annealed (+AT) introduction

The austenitic steel X2CrNiMo17-12-2, a modification of the steel 1.4401, is a steel of high resistance to unoxidizing acids and chloride-containing media. The material is mirror-polishable and well cold formable. Enhanced corrosion properties by lowered C-content compared to 1.4571. The material is resistant to intercrystalline corrosion also in sensitized condition.
The steel is approved for pressure vessel construction up to 400 °C, otherwise subject to authorization.
Application: in apparatus engineering of chemical industry as well as in cellulose, textile and pharmaceutical industry, in sewage plants and in the beverage industry

Equivalent material: GB 022Cr17Ni12Mo2, GB S31603, IS X02Cr17Ni12Mo2, IS 316L, IS 3Cr17Ni12Mo3H, JIS SUS316L, GOST 03Ch17N14M3, KS STS316L, ASTM A240Type316L, UNS S31603, AISI 316L, ASME SA-240Type316L, SAE 316L, AS 316L, BDS 000Ch17N14M2, GB 00Cr17Ni14Mo2, CSN 17349, SFS 750, SFS X2CrNiMo17-12-2, AFNOR Z2CND17-12, BS 316S11, GOST 03Ch17N14M2, ISO 19, UNI X2CrNiMo17-12, NS 14455, ÖNORM X2CrNiMo17-13-2KKW, PN OOH17N14M2, SS 2348, UNE F.3533-X2CrNiMo17-13-2, ASTM 316L, DIN X2CrNiMo17-13-2, ISO X2CrNiMo17-12-2, DIN 1.4404, DIN X2CrNiMo18-10, DIN X2CrNiMo17-12-2, DIN G-X2CrNiMoN18-14, DIN GX2CrNiMoN18-14, DIN X2CrNiMoN17-12-2, DIN G-X2CrNiMoN18-10, BS 316S12, UNI X2CrNiMo1712, SS 2343, SS 2553, JIS SCS16, EN 1.4404, GOST 03Ch17N13M2

EN 10028-7 Grade X2CrNiMo17-12-2 solution annealed (+AT) general

Property Temperature Value
Density 20.0 °C Density of 7.96 - 8 g/cm³

EN 10028-7 Grade X2CrNiMo17-12-2 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 -
Max service temperature, long - Max service temperature, long of 0 - 400 °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 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 13.3 - 15 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 10028-7 Grade X2CrNiMo17-12-2 solution annealed (+AT) 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 0.1 - 0.11 %
Phosphorus Phosphorus of 0.05 %
Silicon Silicon of 1 %
Sulfur Sulfur of 0.015 %

EN 10028-7 Grade X2CrNiMo17-12-2 solution annealed (+AT) electrical

Property Temperature Value
Electrical resistivity 20.0 °C Electrical resistivity of 7.5E-7 - 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 10028-7 Grade X2CrNiMo17-12-2 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 -196.0 °C Elongation of 35 % -
- -150.0 °C Elongation of 40 % -
- -80.0 °C Elongation of 40 % -
- 20.0 °C Elongation of 45 % -
Elongation A80, transverse 20.0 °C Elongation A80, transverse of 40 - 45 % -
Elongation, transverse 20.0 °C Elongation, transverse of 40 - 45 % -
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 -196.0 °C Tensile strength of 1200 MPa -
- -150.0 °C Tensile strength of 1070 MPa -
- -80.0 °C Tensile strength of 840 MPa -
- 20.0 °C Tensile strength of 520 - 680 MPa -
- 50.0 °C Tensile strength of 486 MPa -
- 100.0 °C Tensile strength of 430 MPa -
- 150.0 °C Tensile strength of 410 MPa -
- 200.0 °C Tensile strength of 390 MPa -
- 250.0 °C Tensile strength of 385 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 -
- 500.0 °C Tensile strength of 360 MPa -
Tensile strength, transverse 20.0 °C Tensile strength, transverse of 520 - 680 MPa -
Yield strength Rp0.2 -196.0 °C Yield strength Rp0.2 of 350 MPa -
- -150.0 °C Yield strength Rp0.2 of 315 MPa -
- -80.0 °C Yield strength Rp0.2 of 275 MPa -
- 20.0 °C Yield strength Rp0.2 of 220 MPa -
- 50.0 °C Yield strength Rp0.2 of 200 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 Rp0.2, transverse 20.0 °C Yield strength Rp0.2, transverse of 220 - 240 MPa -
Yield strength Rp1.0 -196.0 °C Yield strength Rp1.0 of 450 MPa -
- -150.0 °C Yield strength Rp1.0 of 415 MPa -
- -80.0 °C Yield strength Rp1.0 of 355 MPa -
- 20.0 °C Yield strength Rp1.0 of 260 MPa -
- 50.0 °C Yield strength Rp1.0 of 237 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 260 - 270 MPa -

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