C26000 Cartridge Brass 70/30 Manufacturer & Supplier
Seventy-thirty brass — the single-phase alloy with the best cold ductility of any brass. It deep draws into cases, shells and lamp bodies without splitting, which is why ammunition and press shops standardised on it.
UNS: UNS C26000 / CW505L CuZn30 | Category: Cold Forming Brass
Size Range
Outer Diameter: Sheet 0.4-6 mm · strip from 0.2 mm · rod 6-50 mm
Chemical Composition (%)
| Cu | Zn | Pb | Fe |
|---|---|---|---|
| 68.5-71.5 | balance | 0.07 max | 0.05 max |
Mechanical Properties
- Tensile Strength
- 300-350 MPa (annealed), 400-540 MPa (hard)
- Yield Strength
- 100 MPa annealed
- Elongation
- 55-65% annealed
- Hardness
- 65-75 HV annealed
Applicable Standards
- ASTM B19
- ASTM B36
- EN 1652
- EN 10204 3.1
Applications
- Deep drawn cases and shells
- Lamp and switch housings
- Pressed electrical components
- Heat exchanger fins
- Decorative and architectural pressings
Industries Served
- Defence
- Electrical & Electronics
- General Engineering
- Automotive & Auto Components
- HVAC & Refrigeration
- Architecture & Infrastructure
Equivalent Grades
- CW505L
- CW505L
- CuZn30
- CuZn30
- C26000
- C26000
- IS 410
- IS 410
- JIS C2600
- JIS C2600