EN 10269 X8Ni9 Normalized & Tempered Steel – Ideal for Low‑Temperature Fasteners and Pressure Vessels
Quenched and tempered steel for fasteners with specified elevated and/or low temperature properties,Low-temperature Ni-alloyed steel for pressure vessel construction, for refrigerators, gearbox parts and components in machine and apparatus engineering which are exposed temperatures up to -200 °C Further application for mounting elements at lower temperatures.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.88 g/cm³ |
27.0 °C | 7.84 g/cm³ | |
Mechanical
| Property | Temperature | Value |
|---|---|---|
Elastic modulus | -269.0 °C | 205.5 GPa |
-200.0 °C | 205.2 GPa | |
-150.0 °C | 203.4 GPa | |
-100.0 °C | 201 - 201.4 GPa | |
-50.0 °C | 198.9 GPa | |
20.0 °C | 195 GPa | |
27.0 °C | 195.1 GPa | |
100.0 °C | 190 GPa | |
200.0 °C | 184 GPa | |
300.0 °C | 178 GPa | |
400.0 °C | 170 GPa | |
Elongation | 20.0 °C | 18 % |
Poisson's ratio | -269.0 °C | 0.29 [-] |
-200.0 °C | 0.29 [-] | |
-150.0 °C | 0.29 [-] | |
-100.0 °C | 0.29 [-] | |
-50.0 °C | 0.29 [-] | |
27.0 °C | 0.29 [-] | |
Reduction of area | 20.0 °C | 50 % |
Shear modulus | -269.0 °C | 80 GPa |
-200.0 °C | 79.8 GPa | |
-150.0 °C | 79 GPa | |
-100.0 °C | 78.2 GPa | |
-50.0 °C | 77.1 GPa | |
27.0 °C | 75.4 GPa | |
Tensile strength | 20.0 °C | 640 - 840 MPa |
Yield strength Rp0.2 | 20.0 °C | 480 - 490 MPa |
Thermal
| Property | Temperature | Value |
|---|---|---|
Coefficient of thermal expansion | -100.0 °C | 1.02E-5 1/K |
20.0 °C | 1.1E-5 1/K | |
100.0 °C | 1.14E-5 1/K | |
200.0 °C | 1.18E-5 1/K | |
300.0 °C | 1.21E-5 1/K | |
400.0 °C | 1.25E-5 1/K | |
Max service temperature, long | -200 - 0 °C | |
Specific heat capacity | -100.0 °C | 442 J/(kg·K) |
20.0 °C | 464 J/(kg·K) | |
100.0 °C | 479 J/(kg·K) | |
200.0 °C | 495 J/(kg·K) | |
300.0 °C | 511 J/(kg·K) | |
400.0 °C | 528 J/(kg·K) | |
Thermal conductivity | -100.0 °C | 23.9 W/(m·K) |
20.0 °C | 30.2 W/(m·K) | |
100.0 °C | 32.8 W/(m·K) | |
200.0 °C | 34.4 W/(m·K) | |
300.0 °C | 34.7 W/(m·K) | |
400.0 °C | 34 W/(m·K) | |
Thermal diffusivity | 20.0 °C | 8.3 mm²/s |
100.0 °C | 8.5 mm²/s | |
200.0 °C | 8.4 mm²/s | |
300.0 °C | 8 mm²/s | |
400.0 °C | 7.3 mm²/s | |
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | -100.0 °C | 2.51E-7 Ω·m |
20.0 °C | 3.22E-7 Ω·m | |
100.0 °C | 3.73E-7 Ω·m | |
200.0 °C | 4.4E-7 Ω·m | |
300.0 °C | 5.19E-7 Ω·m | |
400.0 °C | 6.13E-7 Ω·m | |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.1 % |
Manganese | 0.3 - 0.8 % |
Molybdenum | 0.1 % |
Nickel | 8.5 - 10 % |
Phosphorus | 0.02 % |
Silicon | 0.35 % |
Sulfur | 0.01 % |
Vanadium | 0.05 % |
Metal
- ASTM A757 Grade E3N: Normalized & Tempered Martensitic Stainless Steel
- ASTM A473 Grade S41500 Stainless Steel – Normalized & Tempered Properties
- ASTM A182 Grade F115 – Normalized & Tempered Austenitic Stainless Steel
- EN 10222-3 X8Ni9: High‑Performance Nickel Alloy for Cryogenic Applications
- EN 10222-3 Grade X8Ni9: Normalized & Tempered Nickel-Steel for Cryogenic Applications
- EN 10028-4 X7Ni9 Cryogenic Nickel Steel – Normalized & Tempered (N+NT)
- EN 10269 Grade X12Ni5 – Normalized & Tempered (+NT) Low‑Temperature Ni‑Alloyed Steel
- EN 10269 Grade X8Ni9 – Premium Low‑Temperature Quenched & Tempered Ni‑Alloyed Steel
- EN 10028-4 Grade X8Ni9: Cryogenic Ni-Alloy Steel (Normalized/Quenched & Tempered)
- EN 10028-4 X8Ni9 Cryogenic Steel – Normalized & Tempered for Extreme Low-Temperature Applications