Material Material |
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| Rod and Disc | Ingot |
Hardness Rating Hardness Rating |
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Certificate Certificate |
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 | Material Certificate with Traceable Lot Number |
About Copper, Brass, and Bronze
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About Threaded Studs and Rods
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Easy-to-Weld 655 Bronze
- Yield Strength: 43,000 psi
- Hardness:
1/4" to 3/8" dia. rods: Not Rated
All other sizes: Rockwell B75 (Medium) - Temper: H04 (Full Hard)
- Heat Treatable: No
- Specifications Met: ASTM B98
Commonly called silicon-bronze, 655 bronze contains more silicon than other bronze alloys, making it suitable for all types of welding. With excellent formability and corrosion resistance, it's often used to make parts for marine applications, as well as in pumps and boilers.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ACTIVITY after your order ships.
| Dia. | Dia. Tolerance Range | Straightness Tolerance | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
| 1/4" | -0.002" to 0.002" | 1/4" per 10 ft. | 00000000 | |||
| 5/16" | -0.002" to 0.002" | 1/4" per 10 ft. | 00000000 | |||
| 3/8" | -0.002" to 0.002" | 1/4" per 10 ft. | 00000000 | |||
| 1/2" | -0.002" to 0.002" | 1/4" per 10 ft. | 00000000 | |||
| 5/8" | -0.004" to 0.004" | 1/4" per 10 ft. | 00000000 | |||
| 3/4" | -0.004" to 0.004" | 1/4" per 10 ft. | 00000000 | |||
| 1" | -0.004" to 0.004" | 1/4" per 10 ft. | 00000000 | |||
| 1 1/4" | -0.004" to 0.004" | 1/4" per 10 ft. | 00000000 | |||
| 1 1/2" | -0.004" to 0.004" | 1/4" per 10 ft. | 00000000 |
Bronze Threaded Rods
Bronze threaded rods are stronger and more resistant to salt water than brass rods. They're electrically conductive and nonmagnetic.
For technical drawings and 3-D models, click on a part number.
| Lg. | Tensile Strength, psi | Hardness | Specifications Met | Each | |
Silicon Bronze | |||||
|---|---|---|---|---|---|
1/4"-20 | |||||
| 1" | 50,000 | Not Rated | __ | 000000000 | 00000 |
| 1 1/2" | 50,000 | Not Rated | __ | 000000000 | 0000 |
| 2" | 50,000 | Not Rated | __ | 000000000 | 0000 |
| 1ft. | 50,000 | Not Rated | ASTM B98 | 000000000 | 00000 |
| 3ft. | 50,000 | Not Rated | ASTM B98 | 000000000 | 00000 |
| 6ft. | 50,000 | Not Rated | ASTM B98 | 000000000 | 000000 |
5/16"-18 | |||||
| 2" | 50,000 | Not Rated | __ | 000000000 | 0000 |
| 1ft. | 50,000 | Not Rated | ASTM B98 | 000000000 | 00000 |
| 3ft. | 50,000 | Not Rated | ASTM B98 | 000000000 | 00000 |
3/8"-16 | |||||
| 1 1/2" | 50,000 | Not Rated | __ | 000000000 | 0000 |
| 2 1/2" | 50,000 | Not Rated | __ | 000000000 | 0000 |
| 3" | 50,000 | Not Rated | __ | 000000000 | 0000 |
| 1ft. | 50,000 | Not Rated | ASTM B98 | 000000000 | 00000 |
| 3ft. | 50,000 | Not Rated | ASTM B98 | 000000000 | 00000 |
| 6ft. | 50,000 | Not Rated | ASTM B98 | 000000000 | 000000 |
1/2"-13 | |||||
| 2 1/2" | 50,000 | Not Rated | __ | 000000000 | 00000 |
| 3" | 50,000 | Not Rated | __ | 000000000 | 00000 |
| 4" | 50,000 | Not Rated | __ | 000000000 | 00000 |
| 1ft. | 50,000 | Not Rated | ASTM B98 | 000000000 | 00000 |
| 3ft. | 50,000 | Not Rated | ASTM B98 | 000000000 | 00000 |
| 6ft. | 50,000 | Not Rated | ASTM B98 | 000000000 | 000000 |
1/2"-20 | |||||
| 3ft. | 50,000 | Not Rated | ASTM B98 | 000000000 | 000000 |
5/8"-11 | |||||
| 1ft. | 50,000 | Not Rated | ASTM B98 | 000000000 | 00000 |
| 3ft. | 50,000 | Not Rated | ASTM B98 | 000000000 | 000000 |
3/4"-10 | |||||
| 1ft. | 50,000 | Not Rated | ASTM B98 | 000000000 | 00000 |
| 3ft. | 50,000 | Not Rated | ASTM B98 | 000000000 | 000000 |
| 6ft. | 50,000 | Not Rated | ASTM B98 | 000000000 | 000000 |
1"-8 | |||||
| 1ft. | 50,000 | Not Rated | ASTM B98 | 000000000 | 000000 |
| 3ft. | 50,000 | Not Rated | ASTM B98 | 000000000 | 000000 |
Casting Metals
Melt and pour these alloys into molds to create metal parts and prototypes.
Silicon-bronze alloy is often used to cast gears, propellers, bells, and plaques. It renders an excellent surface finish.
Material Composition | |||||||
|---|---|---|---|---|---|---|---|
| Melting Temperature, °F | Zinc | Copper | Silicon | Approximate Wt., lbs. | Shape | Each | |
| 1,780° | 4% | 92% | 4% | 1 | Ingot | 0000000 | 000000 |
MIG Welding Wire for Joining Copper to Steel
2 lbs. | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Dia. | Wire Type | Welding Current Designation | Shielding Gas Required | Shielding Gas Included | Approximate Lg. per Pound, ft. | Spool Dia. | Arbor Hole Size | Each | |
ERCuSi-A | |||||||||
| 0.035" | Solid | DCEP | Yes | No | 350 | 4" | 0.63" | 0000000 | 000000 |