ASTM A193 B7 and A320 L7 Threaded Rod
ASTM A193 B7 Threaded Rod
A320 L7 Threaded Rod
ASTM A193 L7 Threaded Studs
ASTM A193 B7
Stock Lengths: 6 ft. and 12 ft.
NATIONAL COARSE (USS) & UN-8
| Size | Wt Per 100' | Pieces Per Tube |
| 1/4-20 | 12.2 | 50/10* |
| 5/16-18 | 19.9 | 35/10* |
| 3/8-16 | 29.3 | 25/10* |
| 7/16-14 | 40.2 | 17/10* |
| 1/2-13 | 53.3 | 12 |
| 9/16-12 | 67.8 | 10 |
| 5/8-11 | 84.3 | 8 |
| 3/4-10 | 123.5 | 5 |
| 7/8-9 | 170.5 | 4 |
| 1-8 | 223.1 | 2 |
| 1 1/8-7 | 281.1 | 1 |
| 1 1/8-8 | 303.4 | 1 |
| 1 1/4-7 | 353.7 | 1 |
| 1 1/4-8 | 361.8 | 1 |
| 1 3/8-6 | 423.2 | 1 |
| 1 3/8-8 | 462.4 | 1 |
| 1 1/2-6 | 512.2 | 1 |
| 1 1/2-8 | 533.8 | 1 |
| 1 5/8-8 | 631.6 | 1 |
| 1 3/4-5 | 694.7 | 1 |
| 1 3/4-8 | 738.4 | 1 |
| 1 7/8-8 | 853.6 | 1 |
| 2-4 1/2 | 911.8 | 1 |
| 2-8 | 976.1 | 1 |
| 2 1/4-8 | 1250.0 | 1 |
| 2 1/2-4 | 1448.0 | 1 |
| 2 1/2-8 | 1550.0 | 1 |
| 2 3/4-8 | 1889.0 | Bulk |
| 3-8 | 2260.0 | Bulk |
| 3 1/4-8 | 2671.0 | Bulk |
| 3 1/2-8 | 3111.0 | Bulk |
| 3 3/4-8 | 3754.8 | Bulk |
| 4-8 | 4272.1 | Bulk |
*available in 10 piece tube quantities
Zinc & Yellow Zinc available upon Request
Tubes labeled with Size, Lot & Heat numbers. Chemical & Physical Test Reports available.
NATIONAL FINE (SAE)
| Size | Wt Per 100' | Pieces Per Tube |
| 1/4-28 | 13.4 | 50/10* |
| 5/16-24 | 21.4 | 35/10* |
| 3/8-24 | 31.8 | 25/10* |
| 7/16-20 | 43.1 | 17/10* |
| 1/2-20 | 57.5 | 12 |
| 5/8-18 | 91.4 | 8 |
| 3/4-16 | 132.7 | 5 |
| 7/8-14 | 181.7 | 4 |
| 1-14 | 240.5 | 2 |
| 1-1/8-12 | 303.4 | 1 |
| 1-1/4-12 | 378.7 | 1 |
| 1-3/8-12 | 424.3 | 1 |
| 1-1/2-12 | 554.4 | 1 |
*available in 10 piece tube quantities
ASTM A320 L7 Threaded Rod
Alloy Steel Bolting Material for Low-Temperature Service
Stock Lengths: 12 ft.
5/8" thru 2 1/2" - Minimum Tensile Strength 125,000
Charpy Impact Tested
NATIONAL COARSE (USS) & UN-8
| Size | Wt Per 100' | Pieces Per Tube |
| 5/8-11 | 84.3 | 8 |
| 3/4-10 | 123.5 | 5 |
| 7/8-9 | 170.5 | 4 |
| 1-8 | 223.1 | 2 |
| 1 1/8-8 | 303.4 | 1 |
| 1 1/4-8 | 361.8 | 1 |
| 1 3/8-8 | 462.4 | 1 |
| 1 1/2-8 | 533.8 | 1 |
| 1 5/8-8 | 631.6 | 1 |
| 1 3/4-8 | 738.4 | 1 |
| 1 7/8-8 | 853.6 | 1 |
| 2-8 | 976.1 | 1 |
| 2 1/4-8 | 1250.0 | 1 |
| 2 1/2-8 | 1550.0 | 1 |
| 2 3/4-8 | 1889.0 | Bulk |
| 3-8 | 2260.0 | Bulk |
ASTM A320 L7 Threaded Studs
Vulcan Threaded doesn't just make threaded rod. Vulcan Threaded Products is a Domestic manufacturer of ASTM A193 Gr.B7 threaded studs in a wide variety of sizes. Whether Fully Threaded or Double Ended, 2 inches long or 240* inches long, Vulcan can fill all of your B7 threaded stud requirements.
A193 Gr.B7
Chemical Requirements
| Carbon | Manganese | Phosphorus | Sulfur | Silicon | Chromium | Molybdenum |
| 0.37-0.49 | 0.65-1.10 | 0.035 max | 0.040 max | 0.15-0.35 | 0.75-1.20 | 0.15-0.25 |
Mechanical Requirements
2 1/2" diameter and under
| Tensile Strength, min. | Yield Strength, min. 0.2% offset | Elongation in 4D, min. % | Reduction of Area, min.% | Hardness, max |
| 125,000 | 105,000 | 16 | 50 | 321 HB |
Over 2 1/2" to 4" diameter
| Tensile Strength, min. | Yield Strength, min. 0.2% offset | Elongation in 4D, min. % | Reduction of Area, min.% | Hardness, max |
| 115,000 | 95,000 | 16 | 50 | 321 HB |
