C26000
Cartridge Brass, 70%
Most widely used brass, excellent cold working properties. Named for its historic use in ammunition cartridge cases.
Tensile Strength
44–76 ksi
Yield Strength
11–63 ksi
Machinability
30 / 100
Density
0.308 lb/in³
Chemical Composition
| Element | Min % | Max % |
|---|---|---|
| Copper (Cu) | 68.5 | 71.5 |
| Zinc (Zn) | — | Remainder |
| Lead (Pb) | — | 0.07 |
| Iron (Fe) | — | 0.05 |
Physical Properties
| Density | 0.308 lb/cu in |
|---|---|
| Specific Gravity | 8.53 |
| Melting Point (Solidus) | 1680°F |
| Melting Point (Liquidus) | 1750°F |
| Electrical Conductivity | 28% IACS |
Mechanical Properties
| Tensile Strength | 44–76 ksi |
|---|---|
| Yield Strength | 11–63 ksi |
| Elongation | 8–66% |
| Hardness | 20–82 Rockwell B |
| Machinability Rating | 30 |
Thermal Properties
| Thermal Conductivity | 70 Btu/ft·hr·°F |
|---|---|
| Coefficient of Expansion | 11.1 × 10⁻⁶ /°F |
| Specific Heat | 0.09 Btu/lb·°F |
Fabrication Properties
Soldering
Brazing
Oxyacetylene Welding
Gas Shielded Arc
Coated Metal Arc
Cold Working
Hot Forming
Typical Applications
- Ammunition components
- Automotive radiator cores
- Hardware and fasteners
- Lamp fixtures
- Locks and hinges
- Pins and rivets
- Plumbing accessories
- Electrical sockets
Applicable Specifications
- ASTM B36
- ASTM B134
- ASTM B135
- SAE J461
- SAE J463
Frequently Asked Questions
Common questions about C26000 Cartridge Brass specifications, applications, and material properties.