Forgings, Fasteners, Boltings, Stud Bolts, Screws, Nuts
ASTM B572 Specification covers alloys UNS N06002, UNS N06230, UNS N12160, and UNS R305563 in the form of rod for heat resisting and general corrosive service.
The following products are covered under this specification:
Rods 5⁄16 to 3⁄4 in. (7.94 to 19.05 mm) exclusive in diameter, hot or cold finished, solution-annealed, and pickled or mechanically descaled.
Rods 3⁄4 to 31⁄2 in. (19.05 to 88.9 mm) inclusive in diameter, hot or cold finished, solution annealed, ground, or turned.
| Composition Limits, % | Element | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UNS Designation | Ni | Fe | Cr | Co | Mo | W | C | Si | Mn | P | S | Nb | Ta | Al | Z | La | N | B | Ti |
| UNS N06002 | remainderA | 17.0-20.0 | 20.5-23.0 | 0.5-2.5 | 8.0-10.0 | 0.2-1.0 | 0.05-0.15 | 1.00 max | 1.00 max | 0.04 | 0.03 | ... | ... | ... | ... | ... | ... | ... | ... |
| UNS N06230 | remainderA | 3.0 max | 20.0-24.0 | 5.0 max | 1.0-3.00 | 13.0-15.0 | 0.05-0.15 | 0.25-0.75 | 0.30-1.00 | 0.030 max | 0.015 max | ... | ... | 0.50 max | ... | 0.005-0.050 | ... | 0.015 max | ... |
| UNS N12160 | remainderA | 3.5 max | 26.0-30.0 | 27.0-33.0 | 1.0 max | 1.0 max | 0.15 max | 2.4-3.0 | 1.5 max | 0.030 max | 0.015 max | 1.0 max | ... | ... | ... | ... | ... | ... | 0.20-0.80 |
| UNS R30556 | 19.0-22.5 | remainderA | 21.0-23.0 | 16.0-21.0 | 2.5-4.0 | 2.0-3.5 | 0.05-0.15 | 0.20-0.80 | 0.50-2.00 | 0.04 max | 0.015 max | 0.30 max | 0.30-1.25 | 0.10-0.50 | 0.001-0.10 | 0.005-0.10 | 0.10-0.30 | 0.02 max | ... |
| UNS | Tensile Strength, min, ksi (MPA) |
Yield Strength (0.2 % Offset), min, ksi (MPa) |
Elongation in 2 in. (50.8mm) or 4DA min, % |
|---|---|---|---|
| N06002 | 95 (660) | 35 (240) | 35 |
| N06230B | 110 (760) | 45 (310) | 40 |
| N12160C | 90 (620) | 35 (240) | 40 |
| R30556D | 100 (690) | 45 (310) | 40 |
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