ASTM F467 UNS A92024 represents grade specification for Aluminum Alloy A92024 Nut, Fasteners. It covers both coarse and fine threaded Aluminum Alloy 2024 Nuts. Below is the chemical, mechanical and other requirements. ASTM F467 UNS A92024 Fasteners carry EN 10204 Type 3.1 Certification.
| Composition, % Aluminum Base AlloysA |
|||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UNS Designation | Alloy | General Name | AluminumB | Chromium | Copper | Iron, max | Manganese, max | Silicon, max | Titanium, max | Zinc, max | Magnesium | Other Elements, max | |
| Each | Total | ||||||||||||
| A92024 | 2024 | Aluminum 2024 | balance | 0.10 max | 3.80 - 4.90 | 0.50 | 0.30 - 0.90 | 0.50 | 0.15C | 0.25 | 1.20 - 1.80 | 0.05 | 0.15 |
A Analysis shall regularly be made only for the elements specified in this table. If, however, the presend of other elements is suspected or indicated in amounts greater than the specified limits, further analysis shall be made to determine that these elements are not rpesent in excess of the specified limits.
B Elemens shown as balance shall be arithmetically computed by deducting the sum of the other named elements from 100.
C Titanium + Zirconium 0.20 %, max
D Titanium + Zirconium 0.25 %, max
| Alloy | Mechanical Property Marking | Nominal Thread Diameter, inch | HardnessA | Proof Stress, min, ksi |
|---|---|---|---|---|
| Aluminum Alloy 2024 | ||||
| Al 2024 - T4B | F 467X | all | 70 HRB | 55 |
A For Aluminum and titanium alloys hardness values are for information only.
B Aluminum alloy 2024-T4 shall be supplied in naturally aged condition. This material is not recommended for nuts in sizes greater than 1/4 ( 0.250) inch.
| Product | Proof Stress, ksi | Test Conducted Using Full Size Product | |
|---|---|---|---|
| Jam, slotted and castle nuts | All | A | -- |
| All other nuts | Up to 120 | -- | A |
| All other nuts | Over 120 | A | -- |
A Mandatory Tests.
| Nominal Size, inch. | Coarse Threads - UNC | Fine Threads - UNF | 8 Thread Series - 8UN | |||
|---|---|---|---|---|---|---|
| Threads / inch | Stress AreaA, in2 | Threads / inch | Stress AreaA, in2 | Threads / inch | Stress AreaA, in2 | |
| 1/4 | 20 | 0.0318 | 28 | 0.0364 | -- | -- |
| 5/16 | 18 | 0.0524 | 24 | 0.0580 | -- | -- |
| 3/18 | 16 | 0.0775 | 24 | 0.0878 | -- | -- |
| 7/16 | 14 | 0.1063 | 20 | 0.1187 | ||
| 1/2 | 13 | 0.1419 | 20 | 0.1599 | ||
| 9/16 | 12 | 0.1820 | 18 | 0.2030 | ||
| 5/8 | 11 | 0.2260 | 18 | 0.2560 | ||
| 3/4 | 10 | 0.3340 | 16 | 0.3730 | ||
| 7/8 | 9 | 0.4620 | 14 | 0.5090 | ||
| 1 | 8 | 0.6060 | 12 | 0.6630 | ||
| 1 1/8 | 7 | 0.7630 | 12 | 0.8560 | 8 | 0.790 |
| 1 1/4 | 7 | 0.9690 | 12 | 1.0730 | 8 | 1.000 |
| 1 3/8 | 6 | 1.1550 | 12 | 1.3150 | 8 | 1.233 |
| 1 1/2 | 6 | 1.4050 | 12 | 1.5810 | 8 | 1.492 |
A Tensile stress areas are computed using the following formula: As = 0.7854 [D- (0.9743/n)]2
Where:
As = Tensile stress area, in.2,
D = Nominal size (basic major diameter), in., and,
n = number of threads per inch.
| Alloy | Test Method |
| Aluminum | E34, E101, E227 |