| Alloy Name | |||||||||||||||||
| AMW-23 | IS | ISO | ASTM | JIS | KMW | ||||||||||||
| CuZn15 | CuZn15 | CuZn15 | C23000 | C2300 | CuZn15 | ||||||||||||
| Chemical Composition | (% By Weight) |
| Cu | 84.0 86.0% |
| Pb | < 0.02% |
| Fe | < 0.05% |
| Zn | Reminder % |
| Total Impurity | 0.13% |
| Main Applications | |
| Consumers | Sliders & Pullers for Zippers & Fasteners, Fashion Jewellery, Watch Industry |
| Industrial | Condenser Tubes, Pickling Crates, Heat Exchangers, Flexible Metal House, Fire |
| Physical Properties Typical values in annealed temper at 20°C | ||
| Density | 8.75 | g/cm3 |
| Thermal expansion coefficient −191 .. 16 / - 0 .. 300°C | 9.0/18.5 | 10-6/K/10-6/K |
| Specific heat capacity | 0.380 | J/(g.K) |
| Thermal conductivity | 159 | W/(m.k) |
| Electrical conductivity (1 MS/m = 1m/(0 mm2)) | > 21 | MS/M |
| Electrical conductivity (IACS) | 36 | % |
| Thermal coefficient of electrical resistance (0 .. 200 C) | 2.6 | 10-3/K |
| Modulus of elasticity (1GPa = 1 kN/mm2) cold formed | 99-115 / 122 | GPa / Gpa |
| Mechanical Properties (EN 1652) | ||||
| Temper | Tensile Strength Rm MPa (N/mm2) |
Yield Strength Rp0.2 MPa (N/mm2) |
Elongation Minimum A50mm % | Hardness HV |
| O (SOFT) | 245 Min | < 170 | 35 Min | 75 Max |
| HB (Half Hard) | 325 Min | > 250 | 7 Min | 95 Min |
| HD (Hard) | 370 Min | > 300 | 3 Min | 110 Min |
Cold formability
Hot formability
Soldering
Brazing
Oxyacetylene welding
Gas shielded arc welding
Resistance Welding
Machinability
Excellent
Good
Excellent
Excellent
Good
Good
Fair
Fair