SEW 400 Grade X12CrNi17-7 quenched (+Q)

SEW 400 Grade X12CrNi17-7 quenched (+Q)

SEW 400 Grade X12CrNi17-7 quenched (+Q) introduction

Properties:
- austenitic CrNi-steel with lowered Cr and Ni content, thus in case of cold forming occurs strongly hardening
- sufficient corrosion resistance paired with high strength
Application:
- in cases there is demanded sufficient corrosion resistance paired with high strength
- beater bar and sheets for automobiles
- preferential application as wire or strip for stainless springs up to an application temperature of 300°C
- above 300°C reduction of cold hardening

Equivalent material: EN X10CrNi18-8, DIN 1.4310, DIN X12CrNi-17-7, DIN O, DIN 14, DIN X10CrNi18-8, DIN X 12 CrNi 17 7, AFNOR X10CrNi18-8, AFNOR Z12CN17-07, BS 301S21, BS X10CrNi18-8, UNI X2CrNi1807, SS 2331, UNE F.3517, AISI 301, AISI S30100, AISI 30301, SAE 301, SAE S30100, SAE 30301, JIS SUS301, JIS SUS302, EN 1.4310, ISO X10CrNi18-8, GOST 12Ch18N9, GB 1Cr17Ni7, ASTM S30151, ASTM 30302, UNS S30200, UNS S30100, UNS S30151, IS X07Cr18Ni9

SEW 400 Grade X12CrNi17-7 quenched (+Q) general

Property Temperature Value
Density 20.0 °C Density of 7.92 - 8 g/cm³

SEW 400 Grade X12CrNi17-7 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 1.64E-5 - 1.67E-5 1/K -
- 200.0 °C Coefficient of thermal expansion of 1.69E-5 - 1.72E-5 1/K -
- 300.0 °C Coefficient of thermal expansion of 1.74E-5 - 1.77E-5 1/K -
- 400.0 °C Coefficient of thermal expansion of 1.78E-5 - 1.81E-5 1/K -
- 500.0 °C Coefficient of thermal expansion of 1.82E-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 -
Max service temperature, long - Max service temperature, long of 0 - 300 °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 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) -
Thermal conductivity -100.0 °C Thermal conductivity of 11.7 W/(m·K) -
- 20.0 °C Thermal conductivity of 14.5 - 15 W/(m·K) -
- 100.0 °C Thermal conductivity of 16 W/(m·K) -
- 200.0 °C Thermal conductivity of 17.6 W/(m·K) -
- 300.0 °C Thermal conductivity of 19.1 W/(m·K) -
- 400.0 °C Thermal conductivity of 20.4 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 24.7 W/(m·K) -
- 800.0 °C Thermal conductivity of 26.1 W/(m·K) -
Thermal diffusivity -100.0 °C Thermal diffusivity of 3.7 mm²/s -
- 20.0 °C Thermal diffusivity of 3.9 mm²/s -
- 100.0 °C Thermal diffusivity of 4.3 mm²/s -
- 200.0 °C Thermal diffusivity of 4.3 mm²/s -
- 300.0 °C Thermal diffusivity of 4.6 mm²/s -
- 400.0 °C Thermal diffusivity of 4.7 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 5.7 mm²/s -

SEW 400 Grade X12CrNi17-7 quenched (+Q) chemical

Property Value
Carbon Carbon of 0.12 %
Chromium Chromium of 16 - 18 %
Manganese Manganese of 2 %
Molybdenum Molybdenum of 0.8 %
Nickel Nickel of 6 - 9 %
Phosphorus Phosphorus of 0.05 %
Silicon Silicon of 1.5 %
Sulfur Sulfur of 0.03 %

SEW 400 Grade X12CrNi17-7 quenched (+Q) electrical

Property Temperature Value
Electrical resistivity -100.0 °C Electrical resistivity of 5.86E-7 Ω·m
- 20.0 °C Electrical resistivity of 6.92E-7 - 8E-7 Ω·m
- 100.0 °C Electrical resistivity of 7.58E-7 Ω·m
- 200.0 °C Electrical resistivity of 8.36E-7 Ω·m
- 300.0 °C Electrical resistivity of 9.07E-7 Ω·m
- 400.0 °C Electrical resistivity of 9.73E-7 Ω·m
- 500.0 °C Electrical resistivity of 1.02E-6 Ω·m
- 600.0 °C Electrical resistivity of 1.06E-6 Ω·m
- 700.0 °C Electrical resistivity of 1.1E-6 Ω·m
- 800.0 °C Electrical resistivity of 1.13E-6 Ω·m

SEW 400 Grade X12CrNi17-7 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 -
Elongation 20.0 °C Elongation of 35 % -
Poisson's ratio 20.0 °C Poisson's ratio of 0.28 [-] -
Shear modulus 23.0 °C Shear modulus of 77 GPa Typical for Austenitic Stainless Steel
Tensile strength 20.0 °C Tensile strength of 600 - 950 MPa -
Yield strength Rp0.2 20.0 °C Yield strength Rp0.2 of 260 MPa -
Yield strength Rp1.0 20.0 °C Yield strength Rp1.0 of 290 MPa -

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