CW723R (also known as CuZn40Mn2Fe1 or architectural/manganese bronze) is a high-strength copper-zinc alloy. It features added manganese and iron for superior mechanical strength and hardness compared to ordinary brass, making it ideal for structural and marine engineering uses. Manganese Bronze comes from a family of High strength copper based alloys which includes Manganese as an alloying agent with additions of Iron, Aluminium, Zinc, Lead and sometimes Nickel or Silicon. It has exceptionally high strength as compared to normal brass and therefore commonly known as High Tensile Brass, High Tensile Manganese Bronze, High Strength Brass or Manganese Aluminium Bronze. Like Aluminium Bronzes, High Tensile brasses offers a variety of properties in the form of higher strength levels, non-corrosive properties, improved hardness, yield strength and tensile strength.
Typical Uses | |
| Others | Fittings, Valves, Bolts & Nuts, In a Refrigeration and Air Conditioning. |
Element |
Copper |
Aluminium |
Iron |
Nickel |
Manganese |
Zinc |
Lead |
Silicon |
Tin |
Others |
| Min (%) | 56.50 | – | 0.50 | – | 1.00 | Balance | – |
– |
– | – |
| Max (%) | 58.50 | 0.10 | 1.50 | 0.60 | 2.00 | 0.50 |
0.10 |
0.30 | 0.40 |
| Round | 10mm To 80mm |
| Hex | 9 To 70mm |
| Square | 9mm To 60mm |
| Rectangle | 5mm To 30mm |
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