Material Material |
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For Use With For Use With |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Specifications Met Specifications Met |
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Shape Shape |
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 | Rod and Disc |
 | Sheet and Bar |
Corrosion-Inhibiting Rods and Pads
Also known as sacrificial anodes, these rods and pads protect tanks, water heaters, and heat exchangers from rusting by attracting corrosion that would otherwise damage equipment.
Rods have a steel core covered with zinc or magnesium. They have a threaded pipe connection.
Zinc rods protect against corrosion and scaling in salt water and fresh water.
Zinc alloy pads provide corrosion protection in salt water.
Rectangular pads have a mounting wire.
Circular and square pads have a mounting hole.
| Pipe Size  | Lg. | Dia. | Core Material | Each | |
Zinc—For Use with Salt Water and Water | |||||
|---|---|---|---|---|---|
| 1/4 | 3" | 3/8" | Steel | 000000 | 000000 |
| 1/4 | 6" | 3/8" | Steel | 000000 | 00000 |
| 3/8 | 3" | 1/2" | Steel | 000000 | 00000 |
| 3/8 | 6" | 1/2" | Steel | 000000 | 00000 |
| 1/2 | 3" | 5/8" | Steel | 000000 | 00000 |
| 1/2 | 6" | 5/8" | Steel | 000000 | 00000 |
| 1/2 | 9" | 5/8" | Steel | 0000000 | 00000 |
| 1/2 | 12" | 5/8" | Steel | 0000000 | 00000 |
| 3/4 | 3 1/2" | 3/4" | Steel | 000000 | 00000 |
| 3/4 | 7" | 3/4" | Steel | 000000 | 00000 |
| 3/4 | 9" | 3/4" | Steel | 0000000 | 00000 |
| 3/4 | 12" | 3/4" | Steel | 0000000 | 00000 |
| 1 | 4" | 1" | Steel | 0000000 | 00000 |
| 1 | 6" | 1" | Steel | 0000000 | 00000 |
| 1 | 8" | 1" | Steel | 0000000 | 00000 |
| 1 | 12" | 1" | Steel | 000000 | 00000 |
| 1 | 14" | 1" | Steel | 0000000 | 00000 |
| Lg. | Wd. | Thick. | Mounting Hole Dia. | Specifications Met | Each | |
Zinc Alloy—For Use with Salt Water | ||||||
|---|---|---|---|---|---|---|
| 6" | 6" | 1" | 5/8" | MIL-A-18001 | 000000 | 000000 |
Zinc Rods
- Yield Strength: Not Rated
- Hardness: Not Rated
- Specifications Met: ASTM B418 Type 1, MIL-A-18001
Cut and thread discs and other parts that draw corrosion away from nearby metal in water tanks, heat exchangers, and marine applications. These rods are made almost purely of zinc and meet MIL-A-18001, which means they break down faster than other types of metal. Attach your parts directly to the materials you want to protect.
For technical drawings and 3-D models, click on a part number.
1 ft. Length | 3 ft. Length | |||||
|---|---|---|---|---|---|---|
| Diameter | Diameter Tolerance | Nonsparking Properties | Each | Each | ||
| 5/8" | -0.063" to 0.063" | Nonsparking | 00000000 | 000000 | 00000000 | 000000 |
| 3/4" | -0.063" to 0.063" | Nonsparking | 00000000 | 00000 | 00000000 | 00000 |
| 7/8" | -0.063" to 0.063" | Nonsparking | 00000000 | 00000 | 00000000 | 00000 |
| 1" | -0.063" to 0.063" | Nonsparking | 00000000 | 00000 | 00000000 | 00000 |
| 1 1/4" | -0.063" to 0.063" | Nonsparking | 00000000 | 00000 | 00000000 | 00000 |
| 1 1/2" | -0.063" to 0.063" | Nonsparking | 00000000 | 00000 | 00000000 | 00000 |
| 1 3/4" | -0.063" to 0.063" | Nonsparking | 00000000 | 00000 | 00000000 | 000000 |
| 2" | -0.063" to 0.063" | Nonsparking | 00000000 | 00000 | 00000000 | 000000 |
| 2 1/2" | -0.063" to 0.063" | Nonsparking | 00000000 | 00000 | 00000000 | 000000 |
| 3" | -0.063" to 0.063" | Nonsparking | 00000000 | 000000 | 00000000 | 000000 |
| 4" | -0.063" to 0.063" | Nonsparking | 00000000 | 000000 | 00000000 | 000000 |
Zinc Sheets
Considered commercially pure, this material is 99% zinc.
Use sheets to make parts that draw corrosion away from nearby metal in water tanks, heat exchangers, and marine applications. They meet MIL-A-18001 for chemical composition, so they break down faster than other types of metal. Attach them directly to the materials you want to protect.
For technical drawings and 3-D models, click on a part number.
6" × 12" | |||||
|---|---|---|---|---|---|
| Thick. | Thick. Tolerance | Nonsparking Properties | Specifications Met | Each | |
| 0.375" | -0.031" to 0.031" | Nonsparking | ASTM B418 Type 1, MIL-A-18001 | 00000000 | 000000 |
| 0.5" | -0.031" to 0.031" | Nonsparking | ASTM B418 Type 1, MIL-A-18001 | 00000000 | 00000 |
| 0.75" | -0.031" to 0.031" | Nonsparking | ASTM B418 Type 1, MIL-A-18001 | 00000000 | 00000 |
| 1" | -0.031" to 0.031" | Nonsparking | ASTM B418 Type 1, MIL-A-18001 | 00000000 | 00000 |