DIN 17440 Grade X6CrNiMoTi17-12-2 solution heat-treated and quenched
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DIN 17440 Grade X6CrNiMoTi17-12-2 solution heat-treated and quenched

DIN 17440 Grade X6CrNiMoTi17-12-2 solution heat-treated and quenched introduction

Properties:
- with Ti stabilised variant of 1.4401
- due to the high Mo-content corrosion resistance increased, in particular to not-oxidizing acids and halogen containing media
- due to the titanium content the steel possesses a increased resistance to intergranular corrosion
- is not high polishable
- application temperature: -200 to 550 °C
Application:
- in the chemical apparatus engineering preferably for the textile, sulfite, cellulose, fatty acid, rubber and dye industry
- for the construction of pressure tanks to 300 °C certified, until 550 °C, if no disintegration of grains-causative media influence
- architecture for brick-work anchorages, is used as reinforcing steels for fire-places, fronts and sanitary engineering
- is certified for construction units with bearing function (extended licence notice No. Z-30.44.1 of Institut für Bautechnik Berlin, of the 1.Februar 1994)
- prevailing strength grades E 225, E 355

Equivalent material: AS 316Ti, AFNOR Z6CNDT17-12, BS 320S31, GOST 10Ch17N13M2T, ISO 21, UNI X6CrNiMoTi17-12, ÖNORM X6CrNiMoTi17-12-2S, PN H17N13M2T, SS 2350, UNE F.3535, UNE X6CrNiMoTi17-12-03, ASTM 316Ti, DIN 1.4571, DIN X10CrNiMoTi18-10, BS 320S17, UNI X6CrNiMoTi1712, AISI 316Ti, SAE 316Ti, JIS SUS316TiTP, JIS SUS316TiTB, JIS SUS316Ti, JIS TW60, EN X6CrNiMoTi17-12-2, EN 1.4571, ASTM TP316Ti, ASTM F316Ti, UNS S31635

DIN 17440 Grade X6CrNiMoTi17-12-2 solution heat-treated and quenched general

Property Temperature Value
Density 20.0 °C Density of 7.96 - 7.98 g/cm³

DIN 17440 Grade X6CrNiMoTi17-12-2 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 1.65E-5 - 1.67E-5 1/K -
- 200.0 °C Coefficient of thermal expansion of 1.72E-5 - 1.75E-5 1/K -
- 300.0 °C Coefficient of thermal expansion of 1.77E-5 - 1.85E-5 1/K -
- 400.0 °C Coefficient of thermal expansion of 1.81E-5 - 1.85E-5 1/K -
- 500.0 °C Coefficient of thermal expansion of 1.84E-5 - 1.9E-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 -200 - 550 °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 -

DIN 17440 Grade X6CrNiMoTi17-12-2 solution heat-treated and quenched chemical

Property Value
Carbon Carbon of 0.08 %
Chromium Chromium of 16.5 - 18.5 %
Manganese Manganese of 2 %
Molybdenum Molybdenum of 2 - 2.5 %
Nickel Nickel of 10.5 - 13.5 %
Phosphorus Phosphorus of 0.05 - 0.45 %
Silicon Silicon of 1 %
Sulfur Sulfur of 0.015 - 0.03 %
Titanium Titanium of 0.7 - 0.8 %

DIN 17440 Grade X6CrNiMoTi17-12-2 solution heat-treated and quenched 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

DIN 17440 Grade X6CrNiMoTi17-12-2 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 - 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 35 % -
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
Tensile strength 20.0 °C Tensile strength of 490 - 730 MPa -
Tensile strength, transverse 20.0 °C Tensile strength, transverse of 490 - 730 MPa -
Yield strength 20.0 °C Yield strength of 190 - 210 MPa -
Yield strength Rp0.2 20.0 °C Yield strength Rp0.2 of 190 - 210 MPa -
- 50.0 °C Yield strength Rp0.2 of 182 - 202 MPa -
- 100.0 °C Yield strength Rp0.2 of 166 - 185 MPa -
- 150.0 °C Yield strength Rp0.2 of 152 - 177 MPa -
- 200.0 °C Yield strength Rp0.2 of 137 - 167 MPa -
- 250.0 °C Yield strength Rp0.2 of 127 - 157 MPa -
- 300.0 °C Yield strength Rp0.2 of 118 - 145 MPa -
- 350.0 °C Yield strength Rp0.2 of 113 - 140 MPa -
- 400.0 °C Yield strength Rp0.2 of 108 - 135 MPa -
- 450.0 °C Yield strength Rp0.2 of 103 - 131 MPa -
- 500.0 °C Yield strength Rp0.2 of 100 - 129 MPa -
- 550.0 °C Yield strength Rp0.2 of 98 - 127 MPa -
Yield strength Rp0.2, transverse 20.0 °C Yield strength Rp0.2, transverse of 190 - 210 MPa -
Yield strength Rp1.0 20.0 °C Yield strength Rp1.0 of 225 - 245 MPa -
- 50.0 °C Yield strength Rp1.0 of 217 - 234 MPa -
- 100.0 °C Yield strength Rp1.0 of 199 - 218 MPa -
- 150.0 °C Yield strength Rp1.0 of 181 - 206 MPa -
- 200.0 °C Yield strength Rp1.0 of 167 - 196 MPa -
- 250.0 °C Yield strength Rp1.0 of 157 - 186 MPa -
- 300.0 °C Yield strength Rp1.0 of 145 - 175 MPa -
- 350.0 °C Yield strength Rp1.0 of 139 - 169 MPa -
- 400.0 °C Yield strength Rp1.0 of 135 - 164 MPa -
- 450.0 °C Yield strength Rp1.0 of 130 - 160 MPa -
- 500.0 °C Yield strength Rp1.0 of 128 - 158 MPa -
- 550.0 °C Yield strength Rp1.0 of 127 - 157 MPa -
Yield strength Rp1.0, transverse 20.0 °C Yield strength Rp1.0, transverse of 225 - 245 MPa -
Yield strength, transverse 20.0 °C Yield strength, transverse of 190 - 210 MPa -

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