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Description
| Chemical Composition (wt %, max unless range given) | ||||||
|---|---|---|---|---|---|---|
| Ni | Cr | Mo | Cu | Fe | C | Nb |
| 32.0-38.0 | 19.0-21.0 | 2.0-3.0 | 3.0-4.0 | Balance | <=0.07 | 8×C-1.0 |
| Mechanical Properties (annealed tube) | |||
|---|---|---|---|
| Tensile Strength | Yield Strength | Elongation | Hardness |
| >=551 MPa | >=241 MPa | >=30 % | <=217 HB |
| Physical Properties (typical) | ||||
|---|---|---|---|---|
| Density | Melting Point | Thermal Expansion | Thermal Conductivity | Modulus of Elasticity |
| 8.08 g/cm3 | 1385-1442 °C | 15.6 μm/m·°C | 12.3 W/m·°C | 193 GPa |
Alloy 20 Nickel-Chromium-Molybdenum-Copper Alloy Tube
Nickel-iron-chromium-molybdenum-copper alloy tube; designed specifically for sulfuric acid environments; strong resistance to stress corrosion cracking; excellent performance in chloride and sulfuric acid media; good weldability for chemical process tubing.
| Chemical Composition (wt %, max unless range given) | ||||||
|---|---|---|---|---|---|---|
| Ni | Cr | Mo | Cu | Fe | C | Nb |
| 32.0-38.0 | 19.0-21.0 | 2.0-3.0 | 3.0-4.0 | Balance | <=0.07 | 8×C-1.0 |
| Mechanical Properties (annealed tube) | |||
|---|---|---|---|
| Tensile Strength | Yield Strength | Elongation | Hardness |
| >=551 MPa | >=241 MPa | >=30 % | <=217 HB |
| Physical Properties (typical) | ||||
|---|---|---|---|---|
| Density | Melting Point | Thermal Expansion | Thermal Conductivity | Modulus of Elasticity |
| 8.08 g/cm3 | 1385-1442 °C | 15.6 μm/m·°C | 12.3 W/m·°C | 193 GPa |
