ASTM F467 UNS A92024 Aluminum Alloy Nuts / Aluminum 2024 Nuts

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.

ASTM F467 UNS A92024 Chemical Requirements

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

ASTM F467 UNS A92024 Mechanical Requirements

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.

Mechanical Test Requirements for Nuts

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.

Tensile Stress Areas and Threads per Inch

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.

Test Methods

Alloy Test Method
Aluminum E34, E101, E227