DIN 43720 Grade X10NiCr32-20 Quenched Steel – High‑Temperature Performance for Petroleum Tubes
Heat resistance in air: up to 1200 °C. Application: tubes in the petroleum industry
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.9 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 23.0 °C | 190 - 210 GPa | Typical for Steel |
Elongation | 20.0 °C | 30 % | |
Hardness, Brinell | 20.0 °C | 200 [-] | |
Poisson's ratio | 23.0 °C | 0.3 [-] | Typical for Steel |
Tensile strength | 20.0 °C | 490 - 740 MPa | |
Yield strength Rp0.2 | 20.0 °C | 235 MPa |
Thermal
| Property | Temperature | Value |
|---|---|---|
Coefficient of thermal expansion | 400.0 °C | 1.6E-5 1/K |
800.0 °C | 1.75E-5 1/K | |
1000.0 °C | 1.85E-5 1/K | |
Specific heat capacity | 20.0 °C | 500 J/(kg·K) |
Thermal conductivity | 20.0 °C | 12 W/(m·K) |
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 20.0 °C | 1.04E-6 Ω·m |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.12 % |
Chromium | 19 - 22 % |
Manganese | 1.5 % |
Nickel | 30 - 34 % |
Phosphorus | 0.05 % |
Silicon | 1 % |
Sulfur | 0.03 % |
DIN 17730 Grade G-NiCu30Si4 Cast Condition: Exceptional Corrosion & Erosion Resistance
Alloy 36 (Invar®): Precision Low‑Expansion Nickel‑Iron Alloy
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