Key grades
- C11000 ETP (electrolytic tough pitch) – power busbars, earthing; ASTM B187 (bar), B152 (sheet)
- C10100 OFE (oxygen-free) – high-reliability electrical/vacuum; ASTM B170
- C12200 DHP – plumbing/HVAC tube; ASTM B75, pipe ASTM B88
- Brass (e.g., C26000), Naval Brass (C46400) – fittings, marine hardware
- Aluminum Bronze (C95400/C95500), Nickel Aluminum Bronze (C63000) – propellers, valves, seawater pumps; ASTM B148 (cast), B150 (bar)
Why it wins: High IACS conductivity (Cu), outstanding cavitation and seawater resistance (NAB/Al-Bronze), good machinability (brasses).
Forms: Busbar, bar/rod, tube/pipe, plate/sheet, rings/forgings, castings.
QA/Testing: Conductivity (IACS %), mechanicals, grain size, UT on thick sections; corrosion tests on bronzes if specified.
RFQ checklist: Grade/spec, conductivity target (for Cu), size & temper, form (busbar/tube/casting), NDE, coating (tin/silver for busbars), certs.