Copper–zinc alloys sorted by colour and lead content. Yellow brass, red (composition) brass and radiator scrap each go to a different furnace.
Brass
ISRI code Honey
Yellow brass solids — plumbing fixtures, castings, rolled brass, valves — free of manganese bronze and aluminium bronze.
Brass
ISRI code Ebony
Valves, machinery bearings and other red brass or composition castings, free of semi-red brass and lead-free alloys.
Brass
ISRI code Ocean
Unsweated copper and brass automobile radiators, free of aluminium radiators and iron-finned radiators.
Brass
Machine-shop turnings from free-cutting brass, dry and free of iron, as specified per lot.
Nominal composition of Yellow brass (CuZn35), for orientation only — not a lot certificate.
| Element | % |
|---|---|
| Cu | 65 |
| Zn | 34.5 |
| Other | 0.5 |
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