EN 10222-3 Grade 12Ni14 normalized and tempered (+NT)
EN 10222-3 Grade 12Ni14 normalized and tempered (+NT) introduction
The nickel-alloyed cryogenic material 12Ni14, material number 1.5637 is used for pressure vessel construction. Application for boilers as well as for aircraft industry components and in refrigerator construction which are exposed to temperatures up to -100 °C. and have to show high toughness.
Equivalent material: IS 6(IS9683), IS 10Ni14, ASTM A350 Grade LF3, ASTM A420 Grade WPL3, ASME SA-420 Grade WPL3, UNS K32025, UNS K31918, DIN 12Ni14, IS 6, ISO 12Ni14G1, ISO 12Ni14G2, DIN 10Ni14, DIN 1.5637, BS 12Ni14, JIS STBL450, JIS SL3N255, JIS SL3N275, JIS SL3N440, JIS STPL450, EN 14Ni14, EN 1.5637, ISO 13Ni14, ASTM Grade D, ASTM Grade LF3 Class 1
EN 10222-3 Grade 12Ni14 normalized and tempered (+NT) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.85 g/cm³ |
| - |
27.0 °C |
Density of 7.86 g/cm³ |
EN 10222-3 Grade 12Ni14 normalized and tempered (+NT) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
-100.0 °C |
Coefficient of thermal expansion of 1.02E-5 1/K |
- |
| - |
20.0 °C |
Coefficient of thermal expansion of 1.13E-5 1/K |
- |
| - |
100.0 °C |
Coefficient of thermal expansion of 1.18E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.23E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.27E-5 1/K |
- |
| - |
400.0 °C |
Coefficient of thermal expansion of 1.31E-5 1/K |
- |
| Melting point |
- |
Melting point of 1316 - 1595 °C |
Typical for Nickel Steel |
| Specific heat capacity |
-100.0 °C |
Specific heat capacity of 441 J/(kg·K) |
- |
| - |
20.0 °C |
Specific heat capacity of 464 J/(kg·K) |
- |
| - |
100.0 °C |
Specific heat capacity of 479 J/(kg·K) |
- |
| - |
200.0 °C |
Specific heat capacity of 496 J/(kg·K) |
- |
| - |
300.0 °C |
Specific heat capacity of 513 J/(kg·K) |
- |
| - |
400.0 °C |
Specific heat capacity of 532 J/(kg·K) |
- |
| Thermal conductivity |
-100.0 °C |
Thermal conductivity of 28.9 W/(m·K) |
- |
| - |
20.0 °C |
Thermal conductivity of 35.8 W/(m·K) |
- |
| - |
100.0 °C |
Thermal conductivity of 38.1 W/(m·K) |
- |
| - |
200.0 °C |
Thermal conductivity of 38.9 W/(m·K) |
- |
| - |
300.0 °C |
Thermal conductivity of 38 W/(m·K) |
- |
| - |
400.0 °C |
Thermal conductivity of 36.8 W/(m·K) |
- |
| Thermal diffusivity |
20.0 °C |
Thermal diffusivity of 9.8 mm²/s |
- |
| - |
100.0 °C |
Thermal diffusivity of 9.9 mm²/s |
- |
| - |
200.0 °C |
Thermal diffusivity of 9.5 mm²/s |
- |
| - |
300.0 °C |
Thermal diffusivity of 8.7 mm²/s |
- |
| - |
400.0 °C |
Thermal diffusivity of 7.8 mm²/s |
- |
EN 10222-3 Grade 12Ni14 normalized and tempered (+NT) chemical
| Property |
Value |
| Carbon |
Carbon of 0.15 % |
| Manganese |
Manganese of 0.3 - 0.8 % |
| Nickel |
Nickel of 3.25 - 3.75 % |
| Phosphorus |
Phosphorus of 0.02 % |
| Silicon |
Silicon of 0.35 % |
| Sulfur |
Sulfur of 0.01 % |
| Vanadium |
Vanadium of 0.05 % |
EN 10222-3 Grade 12Ni14 normalized and tempered (+NT) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
-100.0 °C |
Electrical resistivity of 2E-7 Ω·m |
| - |
20.0 °C |
Electrical resistivity of 2.65E-7 Ω·m |
| - |
100.0 °C |
Electrical resistivity of 3.14E-7 Ω·m |
| - |
200.0 °C |
Electrical resistivity of 3.79E-7 Ω·m |
| - |
300.0 °C |
Electrical resistivity of 4.61E-7 Ω·m |
| - |
400.0 °C |
Electrical resistivity of 5.51E-7 Ω·m |
EN 10222-3 Grade 12Ni14 normalized and tempered (+NT) mechanical
| Property |
Temperature |
Value |
| Elastic modulus |
-269.0 °C |
Elastic modulus of 215.3 GPa |
| - |
-200.0 °C |
Elastic modulus of 214.6 GPa |
| - |
-150.0 °C |
Elastic modulus of 212.8 GPa |
| - |
-100.0 °C |
Elastic modulus of 210.4 - 214 GPa |
| - |
-50.0 °C |
Elastic modulus of 207.9 GPa |
| - |
20.0 °C |
Elastic modulus of 207 GPa |
| - |
27.0 °C |
Elastic modulus of 203.8 GPa |
| - |
100.0 °C |
Elastic modulus of 202 GPa |
| - |
200.0 °C |
Elastic modulus of 196 GPa |
| - |
300.0 °C |
Elastic modulus of 189 GPa |
| - |
400.0 °C |
Elastic modulus of 181 GPa |
| Elongation |
20.0 °C |
Elongation of 20 % |
| Poisson's ratio |
-269.0 °C |
Poisson's ratio of 0.28 [-] |
| - |
-200.0 °C |
Poisson's ratio of 0.28 [-] |
| - |
-150.0 °C |
Poisson's ratio of 0.28 [-] |
| - |
-100.0 °C |
Poisson's ratio of 0.28 [-] |
| - |
-50.0 °C |
Poisson's ratio of 0.29 [-] |
| - |
27.0 °C |
Poisson's ratio of 0.29 [-] |
| Shear modulus |
-269.0 °C |
Shear modulus of 84 GPa |
| - |
-200.0 °C |
Shear modulus of 83.7 GPa |
| - |
-150.0 °C |
Shear modulus of 82.9 GPa |
| - |
-100.0 °C |
Shear modulus of 81.9 GPa |
| - |
-50.0 °C |
Shear modulus of 80.9 GPa |
| - |
27.0 °C |
Shear modulus of 79.1 GPa |
| Tensile strength |
20.0 °C |
Tensile strength of 470 - 640 MPa |
| Yield strength |
20.0 °C |
Yield strength of 345 MPa |
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