Copper Filler Metal Selection
| One metal to be welded | Coppers | MIG ONLY | Phosphor Bronzes | Aluminum Bronzes | Silicon Bronzes | Copper Nickels | |
|---|---|---|---|---|---|---|---|
| Low-Zinc Brasses* | High-Zinc Brasses, Special Brasses* | ||||||
Copper Alloys |
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| Low Zinc Brasses | C521, C189 | - | - | - | - | - | - |
| High-Zinc Brasses, Special Brasses* (MIG ONLY) | C656, C521, C189 | C521 | - | - | - | - | - |
| Phosphor Bronzes | C521, C189 | C521 | C521 | - | - | - | - |
| Aluminum Bronzes | C618 | C618 | C618 | C618, C521 | - | - | - |
| Silicon Bronzes | C521, C189 | C618, C656 | C618, C656 | C656 | C618 | - | - |
| Copper Nickels | C618, C715, C189 | C618 | C618 | C521 | C618 | C618 (TIG) | - |
Nickel Alloys |
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| Nickel/Nickel-Copper Alloys | C715, Nickel 61 | - | - | - | - | - | C715, Nickel 61 |
| Ni-Cr, Ni-Fe, Ni-Cr-Fe Alloys | Nickel 61 | - | - | - | - | - | Nickel 61 |
Steels |
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| Low-Carbon Steel | C618, C189, Nickel 61 | C521 | C618 | C521 | C618 | C618 | C618, Nickel 61 |
| Medium Carbon Steel | C618, C189, Nickel 61 | C618 | C618 | C521 | C618 | C618 | C618, Nickel 61 |
| High-Carbon Steel | C618, C189, Nickel 61 | C618 | C618 | C521 | C618 | C618 | C618, Nickel 61 |
| Low-Alloy Steel | C618, C189, Nickel 61 | C618 | C618 | C521 | C618 | C618 | C618, Nickel 61 |
| Stainless Steel | C618, C189, Nickel 61 | C618 | C618 | C521 | C618 | C618 | C618, Nickel 61 |
Cast Iron |
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| Gray and Malleable Irons | C618, C189 | C618, C521 | C618 | C521 | C618 | C618, C656 | C618, C715 |
| Ductile Iron | C618, C189 | C618, C521 | C618 | C521 | C618 | C618, C656 | C618, C715 |
| *GRAY AREA APPLIES TO MIG ONLY | |||||||