No.1 Bare
Bright Copper Wire shall consist of bare, uncoated, unalloyed
copper wire, not smaller than *6 gauge. Similar to ISRI code
BARLEY with the exception that no green wire is allowed.
No.1 Heavy
Scrap Copper Shall consist of clean unalloyed copper solids and
must be uncoated.
May include copper clippings, punchings, bus bars, commutator
segments clean copper pipe or tubing and Copper wire over 1/*6"
thick but free of burnt or brittle wire. This grade is equivalent
to the ISRI code CANDY
No.2 Scrap
Copper Shall consist of clean unalloyed copper solids. May include
clean, oxidized or coated (plated) copper clippings, punchings, bus
bars, commutator segments, clean oxidized copper pipe or tubing
free of excessive solder and light gauge clean, oxidized or coated
(plated) copper wire but free of fine gauge hair wire. Should be
free of excessive oxidation, scale, ash or brittle burnt wire.
Minimum copper content of *4% remelt recovery rate. This grade is
equivalent to the ISRI code CLIFF
No.1
Copper Wire shall consist of clean, uncoated, unalloyed copper
wire, not smaller than *6 gauge. Equivalent to ISRI code
Berry
No.2
Copper Wire shall consist of clean unalloyed copper wire, free of
hair wire, brittle burnt wire and excessive oils. Minimum copper
content of *4% remelt recovery rate. Equivalent to ISRI code
Birch