Alloy 20 pipes, crafted from a nickel-iron-chromium alloy fortified with copper, molybdenum, and niobium for enhanced stability against intergranular corrosion, find extensive utility in diverse industrial sectors such as tanks, piping, heat exchangers, pumps, and valves. Adhering to ASTM, ASME, and API standards, these pipes are available in seamless, ERW, welded, or fabricated forms, offering flexibility in dimensions including round or hydraulic shapes and varying lengths such as single random, double random, or cut lengths, with customizable end configurations like plain, beveled, or threaded. Exhibiting a chemical composition spanning nickel content from 32% to 38%, carbon limited to 0.02% maximum, molybdenum ranging between 2% and 3%, manganese between 1% and 2%, silicon at 0.7% maximum, iron constituting the balance, copper content between 3% and 4%, and trace amounts of sulfur and phosphorus, alongside a chromium range of 19% to 21%, Alloy 20 pipes stand as robust solutions for demanding industrial applications.
| ttribute | Specification |
|---|---|
| Material | Alloy 20 |
| Composition | |
| Nickel (Ni) | 32% – 38% |
| Carbon (C) | 0.02% max |
| Molybdenum (Mo) | 2% – 3% |
| Manganese (Mn) | 1% – 2% |
| Silicon (Si) | 0.7% max |
| Iron (Fe) | Balance |
| Copper (Cu) | 3% – 4% |
| Sulfur (S) | 0.005% max |
| Phosphorus (P) | 0.02% max |
| Chromium (Cr) | 19% – 21% |
| Dimensions | |
| Standards | ASTM, ASME, and API |
| Type | Seamless / ERW / Welded / Fabricated |
| Form | Round, Hydraulic, etc |
| Length | Single Random, Double Random & Cut Length |
| End | Plain End, Beveled End, Threaded |
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