| Alloy Name | |
|---|---|
| UNS | C26000 |
| IS/ISO | CuZn30 |
| AMW-25 | CuZn30 |
| DIN CEN/TS 13388 | CW505L |
| JIS | C2600 |
| This alloy is as per RoHS specification | |
Thickness Range: 0.05mm to 4.00mm
Width Range: 8mm to 400mm
Surface Roughness: 0.15 to 0.25 Ra Scale
Grain Size: Fine i.e. No Orange Peel effect on deep drawing.
Coil Weight: 8Kgs/mm width.
CuZn30 Brass has outstanding deep drawing properties and hence is called deep-drawing or cartridge brass. It has good forming properties & mechanical strength.
| Chemical Composition | Weight Percentage |
|---|---|
| Cu | 68.50–71.50 % |
| Pb | 0.05 Max |
| Fe | 0.05 % Max |
| Zn | Reminder % |
| Total Impurity | 0.30 % Max |
| Main Applications |
|---|
| Electrical: Terminal Connectors, Flashlight Shells, Lamp Fixtures, Reflectors, Shells |
| Consumer: Snaps, Chain Links, Watch Parts, Costume Jewellery, Buttons, Bullets |
| Building Hardware: Locks, Push Plates, Finish Hardware, Door Knobs |
| Physical Properties (Typical values in annealed temper at 20°C) | ||
|---|---|---|
| Density | 8.53 | g/cm³ |
| Thermal expansion coefficient -191 .. 16 | 9.0 | 10⁻⁶/K |
| Specific heat capacity - 0 .. 300°C | 19.7 | 10⁻⁶/K |
| Thermal conductivity | 0.377 | J/(g•K) |
| Electrical conductivity (1 MS/m = 1 m/(O mm²)) | 126 | W/(m•K) |
| Electrical conductivity (IACS) | 16 | MS/m % |
| Thermal coefficient of electrical resistance (0 .. 200 C) | 1.5 | 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) | 275 Min | 160 | 50 Min | 80 Max |
| HB (Half Hard) | 320 Min | 170 | 35 Min | 75 Min |
| H (Hard) | 345 Min | 200 | 20 Min | 100 Min |
| HD (Extra Hard) | 405 Min | 260 | 5 Min | 125 Min |