SEW 400 Grade X1CrNi25-21 quenched (+Q)

SEW 400 Grade X1CrNi25-21 quenched (+Q) introduction

Properties:
- steel will be melted with cramped chemical analyse
- high corrosion resistance to oxidising acids, especially to nitric acid
Application:
- in urea synthesis systems, for construction they are in contact with up to 70 % concentrated nitric acid and higher tempartures
- in fertiliser industry and different chemical processes

Equivalent material: EN X1CrNi25-21, DIN 1.4335, AFNOR Z1CN25-20, AISI 310 L NAG, SAE 310 L NAG, EN 1.4335, ASTM S31002, UNS S31002

SEW 400 Grade X1CrNi25-21 quenched (+Q) general

Property Temperature Value
Density 20.0 °C Density of 7.76 - 8 g/cm³

SEW 400 Grade X1CrNi25-21 quenched (+Q) 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 1.58E-5 - 1.67E-5 1/K -
- 200.0 °C Coefficient of thermal expansion of 1.61E-5 - 1.72E-5 1/K -
- 300.0 °C Coefficient of thermal expansion of 1.65E-5 - 1.77E-5 1/K -
- 400.0 °C Coefficient of thermal expansion of 1.69E-5 - 1.81E-5 1/K -
- 500.0 °C Coefficient of thermal expansion of 1.73E-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 450 - 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 11.9 - 12 W/(m·K) -
- 100.0 °C Thermal conductivity of 13.3 W/(m·K) -
- 200.0 °C Thermal conductivity of 15.1 W/(m·K) -
- 300.0 °C Thermal conductivity of 16.7 W/(m·K) -
- 400.0 °C Thermal conductivity of 18.3 W/(m·K) -
- 500.0 °C Thermal conductivity of 19.8 W/(m·K) -
- 600.0 °C Thermal conductivity of 21.3 W/(m·K) -
- 700.0 °C Thermal conductivity of 22.8 W/(m·K) -
- 800.0 °C Thermal conductivity of 24.3 W/(m·K) -
- 900.0 °C Thermal conductivity of 25.7 W/(m·K) -
- 1000.0 °C Thermal conductivity of 27.1 W/(m·K) -
Thermal diffusivity 20.0 °C Thermal diffusivity of 3.3 mm²/s -
- 100.0 °C Thermal diffusivity of 3.4 mm²/s -
- 200.0 °C Thermal diffusivity of 3.7 mm²/s -
- 300.0 °C Thermal diffusivity of 4.1 mm²/s -
- 400.0 °C Thermal diffusivity of 4.3 mm²/s -
- 500.0 °C Thermal diffusivity of 4.5 mm²/s -
- 600.0 °C Thermal diffusivity of 4.7 mm²/s -
- 700.0 °C Thermal diffusivity of 5 mm²/s -
- 800.0 °C Thermal diffusivity of 5.4 mm²/s -
- 900.0 °C Thermal diffusivity of 5.7 mm²/s -
- 1000.0 °C Thermal diffusivity of 5.8 mm²/s -

SEW 400 Grade X1CrNi25-21 quenched (+Q) chemical

Property Value
Carbon Carbon of 0.02 %
Chromium Chromium of 24 - 26 %
Manganese Manganese of 2 %
Molybdenum Molybdenum of 0.1 %
Nickel Nickel of 20 - 22 %
Phosphorus Phosphorus of 0.03 %
Silicon Silicon of 0.15 %
Sulfur Sulfur of 6E-3 %

SEW 400 Grade X1CrNi25-21 quenched (+Q) electrical

Property Temperature Value
Electrical resistivity 20.0 °C Electrical resistivity of 9.59E-7 - 1E-6 Ω·m
- 100.0 °C Electrical resistivity of 1.01E-6 Ω·m
- 200.0 °C Electrical resistivity of 1.05E-6 Ω·m
- 300.0 °C Electrical resistivity of 1.1E-6 Ω·m
- 400.0 °C Electrical resistivity of 1.13E-6 Ω·m
- 500.0 °C Electrical resistivity of 1.17E-6 Ω·m
- 600.0 °C Electrical resistivity of 1.19E-6 Ω·m
- 700.0 °C Electrical resistivity of 1.22E-6 Ω·m
- 800.0 °C Electrical resistivity of 1.24E-6 Ω·m
- 900.0 °C Electrical resistivity of 1.26E-6 Ω·m
- 1000.0 °C Electrical resistivity of 1.28E-6 Ω·m

SEW 400 Grade X1CrNi25-21 quenched (+Q) mechanical

Property Temperature Value Comment
Elastic modulus -100.0 °C Elastic modulus of 206 GPa -
- 20.0 °C Elastic modulus of 196 - 198 GPa -
- 100.0 °C Elastic modulus of 190 - 193 GPa -
- 200.0 °C Elastic modulus of 182 - 183 GPa -
- 300.0 °C Elastic modulus of 174 - 175 GPa -
- 400.0 °C Elastic modulus of 166 - 172 GPa -
- 500.0 °C Elastic modulus of 158 - 159 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, transverse 20.0 °C Elongation, transverse of 40 % -
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, transverse 20.0 °C Tensile strength, transverse of 470 - 670 MPa -
Yield strength Rp0.2 50.0 °C Yield strength Rp0.2 of 165 MPa -
- 100.0 °C Yield strength Rp0.2 of 150 MPa -
- 150.0 °C Yield strength Rp0.2 of 140 MPa -
- 200.0 °C Yield strength Rp0.2 of 130 MPa -
- 250.0 °C Yield strength Rp0.2 of 120 MPa -
- 300.0 °C Yield strength Rp0.2 of 115 MPa -
- 350.0 °C Yield strength Rp0.2 of 110 MPa -
- 400.0 °C Yield strength Rp0.2 of 105 MPa -
Yield strength Rp0.2, transverse 20.0 °C Yield strength Rp0.2, transverse of 180 MPa -
Yield strength Rp1.0 50.0 °C Yield strength Rp1.0 of 195 MPa -
- 100.0 °C Yield strength Rp1.0 of 180 MPa -
- 150.0 °C Yield strength Rp1.0 of 170 MPa -
- 200.0 °C Yield strength Rp1.0 of 160 MPa -
- 250.0 °C Yield strength Rp1.0 of 150 MPa -
- 300.0 °C Yield strength Rp1.0 of 140 MPa -
- 350.0 °C Yield strength Rp1.0 of 135 MPa -
- 400.0 °C Yield strength Rp1.0 of 130 MPa -
Yield strength Rp1.0, transverse 20.0 °C Yield strength Rp1.0, transverse of 210 MPa -

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