Nimonic 80A Fasteners
2.4631, N07080
Nimonic 80a Fasteners are low creep superalloy fasteners manufactured from alloy containing more than 50% nickel , 20% chromium with addition of titanium and aluminium. Nimonic Alloy 80a Fasteners have an ability to withstand very high temperatures. TorqBolt is an eminent Nimonic 80a fastener supplier in India.
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Nimonic 80A Shoulder Bolts Alloy 80A Fasteners Nimonic 80A Forgings Alloy 80A Nuts Nimonic 80A Cap Screws Nimonic 80A Springs Nimonic 80A Stud Bolts Nimonic 80A Washers 2.4631 Screws
Nimonic 80a Fasteners Properties
Nimonic 80A Chemical Composition
| Composition Limits, % | Element | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UNS | C | Mn | Si | P | S | Cr | Co | Mo | Nb + Ta | Ti | Al | Zr | B | Fe | Cu | Ni | Ta | Nb | W | V |
| UNS N07080 (Formerly Grade 80A) | 0.10 max | 1.00 max | 1.00 max | ... | 0.015 max | 18.00-21.00 | ... | ... | ... | 1.80-2.70 | 0.50-1.80 | ... | ... | 3.00 max | ... | remainderB | ... | ... | ... | ... |
Nimonic 80A Mechanical Requirements
Tensile and Hardness Requirements
| UNS | Heat Treatment | Tensile Strength, min, psi (MPa) |
Yield Strength (0.2 % offset), min, psi (MPa) |
Elongation in 2 in. (50 mm) or 4D, min, % |
Reduction of Area, min, % |
Brinell or (Rockwell C) Hardness |
|---|---|---|---|---|---|---|
| ASTM B637 UNS N07080 | solution + stabilize + precipitation harden | 135 000 (930) | 90 000 (620) | 20 | ... | ... |
Stress Rupture Requirements
| UNS | Heat Treatment | Test Temperature, °F (°C) |
Stress, psi (MPa)B | Minimum Hours | Elongation in 2 in. or 50 mm (or 4D), min, % |
|---|---|---|---|---|---|
| ASTM B637 UNS N07080 | solution + stabilize + precipitation harden | 1400 760 | 47 000 (325) | 23 | 3.5 |