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

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

Nickel/Nickel-Copper Alloys C715, Nickel 61 - - - - - C715, Nickel 61
Ni-Cr, Ni-Fe, Ni-Cr-Fe Alloys Nickel 61 - - - - - Nickel 61

Steels

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

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