CuZn5 is a solid solution strengthened copper alloy containing 5% zinc (brass). It is similar in color to copper and is corrosion resistant, but has better strength than copper or copper ETP. CuZn5 has very good cold formability and is suitable for bending, stamping and other cold forming processes. The alloy can be brazed, brazed or welded.
CuZn5 | Cu | Fe | Pb | Zn | Al | Ni | Sn |
94-96 | 0.05 max | 0.05 max | margin | 0.02 max | 0.3 max | 0.1 max |
Industrial and electronic engineering, jewellery, watchmaking and metal products.
Tensile strength Rm [MPa] | Yield strength Rp0.2 [MPa] | Elongation A50 [%] | Hardness | |
R230 | 230-280 | ≤130 | ≥36 | 45-75 |
R270 | 270-350 | ≥200 | ≥12 | 75-110 |
R340 | ≥340 | ≥280 | ≥4 | ≥110 |
Melting point | Density | cp@20°C | Coefficient of Thermal Expansion | Young modulus |
1066°C | 8.86g/cm³ | 0.38 kJ/kgK | 18 10-6 /K | 117 GPa |
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