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Hastelloy N / UNS N10003 Hastelloy N rod has excellent oxidation resistance to hot fluoride salts in the temperature range of 704 to 871℃. It has good oxidation resistance in air. It also has good fabricability and good resistance to aging and embrittlement ASTMB 573, ASTMB 434, ASTMB 906, ASTMB 366
Hastelloy N is a nickel base superalloy composed of nickel, molybdenum, chromium and other elements, with a nickel content of about 72%. Hastelloy N has good oxidation resistance, and its melting temperature range is 1300-1600 ° f (704-871 ° C). In more than two years, the n value of Hastelloy n will relate to the most useful fluoride in high temperature environment. Hastelloy N alloy has good oxidation resistance in air. Metallographic examination showed that the elements in alloy n remained in the range of 1100 to 1600 ° in solid solution, and there was no embrittlement tendency in tensile test.
Hastelloy N has good weldability and can be easily welded. The hot working range of the alloy is 1600 and 2150 ° f (871 to 1177 ℃), and it has been successfully extruded and further processed into high-quality seamless steel tubes for manufacturing, welding and drawing. After solution heat treatment, Hastelloy n alloy parts can be hot processed or cold processed.
Chemical Content
| Element | Ni | Mo | Cr | Fe | C | Mn | Si | P | S | W | Co | Cu |
| Min | Rest | 15 | 6 | - | 0.04 | - | - | - | - | - | - | - |
| Max | 18 | 8 | 5 | 0.08 | 1 | 1 | 0.015 | 0.02 | 0.5 | 0.2 | 0.35 |
| Form | ASTM |
| Rod | B 573 |
| Plate, sheet and strip | B 434, B 906 |
| Welding fitting | B 366 |
Solution heat-treatment is recommended after hot or cold working of HASTELLOY® N alloy parts. For sheet and plate, this is accomplished by soaking at 2150°F (1177°C) [sections up to 1/4 inch thick] and then cooling rapidly in air, or at 2165°F (1185°C) [sections 1/4 inch and thicker] followed by waterquenching.
Variety specification and supply status of Hastelloy N:
1. Variety classification: can supply various specifications of seamless pipe, welded pipe, plate, bar, forging, ring, wire and supporting welding materials.
2. Delivery status: seamless pipe: solid solution + acid white, length can be fixed; plate: solid solution, acid pickling, edge cutting; welded pipe: solid solution acid white + RT% flaw detection, forging: annealing + turning; bar is in forging and rolling status, surface polishing or turning; strip is delivered in cold rolling, solution soft status, and oxide skin removal; wire is delivered in solution acid wash plate or straight strip, solution straight strip and fine polishing status.
