METALCO supplies copper, brass, and bronze semi-finished products for OEMs and distributors worldwide — with documented quality, export packing, and technical support you can rely on.
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CW721R Manganese Bronze Hollow Bars are high-strength copper alloy tubes designed for demanding engineering and marine applications. They offer excellent wear resistance, superior corrosion protection, outstanding machinability, and high load-bearing capacity, making them ideal for bushings, bearings, gears, valve components, hydraulic systems, and heavy-duty industrial machinery.
CATEGORY | ASTM | BS | EN | JIS | DIN | ISO | IS |
| Manganese Bronze | C6680 |
| CATEGORY | ASTM | BS | EN | JIS | DIN | ISO | IS |
| Manganese Bronze | C67500 | CZ114 | CW721R | 1635 CuZn39AlFeMn | |||
| Manganese Bronze B | C67000 | CZ116 | CW704R | C6140 | 2.05 | CuAl8Fe3 | |
| Manganese Bronze | C67300 | 2.0525 | CuNi18Zn19Pb1 |
C67600 : Excellent hot and cold workability; good forge ability. Fabricated by bending, coining, coppersmith, drawing and upsetting, hot forging and pressing, knurling, roll threading, shearing, spinning, swaging, and stamping.
ASTM B138, QQ-B-728
Typical Applications:
Equivalent Specifications
| SPECIFICATIONS | DESIGNATION |
|---|---|
| UNS | C66800 |
| UNS | C67300 |
| UNS | C67420 |
