EN 10028-4 Grade X8Ni9 normalized or quenched and tempered

EN 10028-4 Grade X8Ni9 normalized or quenched and tempered introduction

Cryogenic Ni-alloy steel for pressure vessel construction, refrigerators, transmission parts and for construction parts in machine and apparatus engineering up to -196 °C.

Equivalent material: IS SL9N520, IS SL9N590, ASTM A353, ASTM A553TypeI, ASTM A553TypeII, UNS K71340, UNS K81340, DIN X8Ni9, IS X8Ni9, DIN 1.5662, AFNOR X8Ni9, BS 1501.509, BS 50, BS X8Ni9, UNI X10Ni9, UNE XBNi09, JIS SL9N53, JIS STBL690, JIS SL9N520, JIS SL9N590, JIS STPL690, EN X10Ni9, EN 1.5662, ISO X8Ni9, ISO X9Ni9, ISO X10Ni9, ASTM A844

EN 10028-4 Grade X8Ni9 normalized or quenched and tempered general

Property Temperature Value Condition Related Standards Shape
Density 20 °C Density of 7.88 g/cm³ normalized or quenched and tempered EN 10028-4 Flat
- 27 °C Density of 7.841 g/cm³ normalized or quenched and tempered EN 10028-4 Flat

EN 10028-4 Grade X8Ni9 normalized or quenched and tempered thermal

Property Temperature Value Condition Related Standards Shape Comment
Coefficient of thermal expansion -100 °C Coefficient of thermal expansion of 1.02e-05 1/K normalized or quenched and tempered EN 10028-4 Flat -
- 20 °C Coefficient of thermal expansion of 1.1e-05 1/K normalized or quenched and tempered EN 10028-4 Flat -
- 100 °C Coefficient of thermal expansion of 1.14e-05 1/K normalized or quenched and tempered EN 10028-4 Flat -
- 200 °C Coefficient of thermal expansion of 1.18e-05 1/K normalized or quenched and tempered EN 10028-4 Flat -
- 300 °C Coefficient of thermal expansion of 1.21e-05 1/K normalized or quenched and tempered EN 10028-4 Flat -
- 400 °C Coefficient of thermal expansion of 1.25e-05 1/K normalized or quenched and tempered EN 10028-4 Flat -
Melting point - Melting point of 1316 - 1595 °C - - - Typical for Nickel Steel
Specific heat capacity -100 °C Specific heat capacity of 442 J/(kg·K) normalized or quenched and tempered EN 10028-4 Flat -
- 20 °C Specific heat capacity of 464 J/(kg·K) normalized or quenched and tempered EN 10028-4 Flat -
- 100 °C Specific heat capacity of 479 J/(kg·K) normalized or quenched and tempered EN 10028-4 Flat -
- 200 °C Specific heat capacity of 495 J/(kg·K) normalized or quenched and tempered EN 10028-4 Flat -
- 300 °C Specific heat capacity of 511 J/(kg·K) normalized or quenched and tempered EN 10028-4 Flat -
- 400 °C Specific heat capacity of 528 J/(kg·K) normalized or quenched and tempered EN 10028-4 Flat -
Thermal conductivity -100 °C Thermal conductivity of 23.9 W/(m·K) normalized or quenched and tempered EN 10028-4 Flat -
- 20 °C Thermal conductivity of 30.2 W/(m·K) normalized or quenched and tempered EN 10028-4 Flat -
- 100 °C Thermal conductivity of 32.8 W/(m·K) normalized or quenched and tempered EN 10028-4 Flat -
- 200 °C Thermal conductivity of 34.4 W/(m·K) normalized or quenched and tempered EN 10028-4 Flat -
- 300 °C Thermal conductivity of 34.7 W/(m·K) normalized or quenched and tempered EN 10028-4 Flat -
- 400 °C Thermal conductivity of 34 W/(m·K) normalized or quenched and tempered EN 10028-4 Flat -
Thermal diffusivity 20 °C Thermal diffusivity of 8.3 mm²/s normalized or quenched and tempered EN 10028-4 Flat -
- 100 °C Thermal diffusivity of 8.5 mm²/s normalized or quenched and tempered EN 10028-4 Flat -
- 200 °C Thermal diffusivity of 8.4 mm²/s normalized or quenched and tempered EN 10028-4 Flat -
- 300 °C Thermal diffusivity of 8 mm²/s normalized or quenched and tempered EN 10028-4 Flat -
- 400 °C Thermal diffusivity of 7.3 mm²/s normalized or quenched and tempered EN 10028-4 Flat -

EN 10028-4 Grade X8Ni9 normalized or quenched and tempered chemical

Property Value Condition Related Standards Shape
Carbon Carbon of 0.1 % normalized or quenched and tempered EN 10028-4 Flat
Manganese Manganese of 0.3 - 0.8 % normalized or quenched and tempered EN 10028-4 Flat
Molybdenum Molybdenum of 0.1 % normalized or quenched and tempered EN 10028-4 Flat
Nickel Nickel of 8.5 - 10 % normalized or quenched and tempered EN 10028-4 Flat
Phosphorus Phosphorus of 0.02 % normalized or quenched and tempered EN 10028-4 Flat
Silicon Silicon of 0.35 % normalized or quenched and tempered EN 10028-4 Flat
Sulfur Sulfur of 0.005 % normalized or quenched and tempered EN 10028-4 Flat
Vanadium Vanadium of 0.05 % normalized or quenched and tempered EN 10028-4 Flat

EN 10028-4 Grade X8Ni9 normalized or quenched and tempered electrical

Property Temperature Value Condition Related Standards Shape
Electrical resistivity -100 °C Electrical resistivity of 2.51e-07 Ω·m normalized or quenched and tempered EN 10028-4 Flat
- 20 °C Electrical resistivity of 3.22e-07 Ω·m normalized or quenched and tempered EN 10028-4 Flat
- 100 °C Electrical resistivity of 3.73e-07 Ω·m normalized or quenched and tempered EN 10028-4 Flat
- 200 °C Electrical resistivity of 4.4e-07 Ω·m normalized or quenched and tempered EN 10028-4 Flat
- 300 °C Electrical resistivity of 5.19e-07 Ω·m normalized or quenched and tempered EN 10028-4 Flat
- 400 °C Electrical resistivity of 6.13e-07 Ω·m normalized or quenched and tempered EN 10028-4 Flat

EN 10028-4 Grade X8Ni9 normalized or quenched and tempered mechanical

Property Temperature Value Condition Related Standards Shape
Elastic modulus -269 °C Elastic modulus of 205.5 GPa normalized or quenched and tempered EN 10028-4 Flat
- -200 °C Elastic modulus of 205.2 GPa normalized or quenched and tempered EN 10028-4 Flat
- -150 °C Elastic modulus of 203.4 GPa normalized or quenched and tempered EN 10028-4 Flat
- -100 °C Elastic modulus of 201 GPa normalized or quenched and tempered EN 10028-4 Flat
- -100 °C Elastic modulus of 201 - 201.4 GPa normalized or quenched and tempered EN 10028-4 Flat
- -100 °C Elastic modulus of 201.4 GPa normalized or quenched and tempered EN 10028-4 Flat
- -50 °C Elastic modulus of 198.9 GPa normalized or quenched and tempered EN 10028-4 Flat
- 20 °C Elastic modulus of 195 GPa normalized or quenched and tempered EN 10028-4 Flat
- 27 °C Elastic modulus of 195.1 GPa normalized or quenched and tempered EN 10028-4 Flat
- 100 °C Elastic modulus of 190 GPa normalized or quenched and tempered EN 10028-4 Flat
- 200 °C Elastic modulus of 184 GPa normalized or quenched and tempered EN 10028-4 Flat
- 300 °C Elastic modulus of 178 GPa normalized or quenched and tempered EN 10028-4 Flat
- 400 °C Elastic modulus of 170 GPa normalized or quenched and tempered EN 10028-4 Flat
Poisson's ratio -269 °C Poisson's ratio of 0.285 [-] normalized or quenched and tempered EN 10028-4 Flat
- -200 °C Poisson's ratio of 0.286 [-] normalized or quenched and tempered EN 10028-4 Flat
- -150 °C Poisson's ratio of 0.287 [-] normalized or quenched and tempered EN 10028-4 Flat
- -100 °C Poisson's ratio of 0.288 [-] normalized or quenched and tempered EN 10028-4 Flat
- -50 °C Poisson's ratio of 0.29 [-] normalized or quenched and tempered EN 10028-4 Flat
- 27 °C Poisson's ratio of 0.292 [-] normalized or quenched and tempered EN 10028-4 Flat
Shear modulus -269 °C Shear modulus of 80 GPa normalized or quenched and tempered EN 10028-4 Flat
- -200 °C Shear modulus of 79.8 GPa normalized or quenched and tempered EN 10028-4 Flat
- -150 °C Shear modulus of 79 GPa normalized or quenched and tempered EN 10028-4 Flat
- -100 °C Shear modulus of 78.2 GPa normalized or quenched and tempered EN 10028-4 Flat
- -50 °C Shear modulus of 77.1 GPa normalized or quenched and tempered EN 10028-4 Flat
- 27 °C Shear modulus of 75.4 GPa normalized or quenched and tempered EN 10028-4 Flat

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