| Alloy Name | |
|---|---|
| AMW-23 | CuZn15 |
| IS | CuZn15 |
| ISO | CuZn15 |
| ASTM | C23000 |
| JIS | C2300 |
| This alloy is as per RoHS Specification | |
CuZn15 is popularly known as Red Brass and has excellent deep drawing, cold forming properties. This alloy has a higher strength than pure copper. CuZn15 has good welding and brazing properties as well as a good corrosion resistance and is not fragile to stress corrosion and dezincification.
| Chemical Composition | Weight Percentage |
|---|---|
| Cu | 84.0 – 86.0 % |
| Pb | 0.02 % |
| Fe | 0.05 % |
| Zn | Remainder % |
| Total Impurities | 0.13 % |
| Main Applications |
|---|
| Consumers: Sliders & Pullers for Zippers & Fasteners, Fashion Jewellery, Watch Industry |
| Industrial: Condenser Tubes, Pickling Crates, Heat Exchangers, Flexible Metal Hose, Fire |
| Physical Properties (Typical values in annealed temper at 20°C) | ||
|---|---|---|
| Density | 8.75 | g/cm³ |
| Thermal expansion coefficient -191 .. 16 | 9.0 | 10⁻⁶/K |
| Specific heat capacity - 0 .. 300°C | 18.5 | 10⁻⁶/K |
| Thermal conductivity | 0.380 | J/(g•K) |
| Electrical conductivity (1 MS/m = 1 m/(Ω mm²)) | 159 | W/(m•K) |
| Electrical conductivity (IACS) | 21 | MS/m % |
| Thermal coefficient of electrical resistance (0 .. 200°C) | 36 | 10⁻³/K |
| Modulus of elasticity (1 GPa = 1 kN/mm²) cold formed | 99 – 115 | GPa |
| Mechanical Properties (EN 1652) | ||||
|---|---|---|---|---|
| Temper | Tensile Strength Rm MPa | Yield Strength Rp0.2 MPa | Elongation A50mm % | Hardness HV |
| O (Soft) | 245 Min | 170 | 35 Min | 75 Max |
| HB (Half Hard) | 325 Min | 250 | 7 Min | 95 Max |
| HD (Hard) | 370 Min | 300 | 3 Min | 110 Min |