C23000
Red Brass, 85%
Copper-rich brass with a warm red-gold color and better corrosion resistance than the yellow brasses. The standard alloy for plumbing pipe, heat exchanger tube, and architectural trim.
Tensile Strength
39–72 ksi
Yield Strength
10–63 ksi
Machinability
30 / 100
Density
0.316 lb/in³
Chemical Composition
| Element | Min % | Max % |
|---|---|---|
| Copper (Cu) | 84 | 86 |
| Zinc (Zn) | — | Remainder |
| Lead (Pb) | — | 0.05 |
| Iron (Fe) | — | 0.05 |
Physical Properties
| Density | 0.316 lb/cu in |
|---|---|
| Specific Gravity | 8.75 |
| Melting Point (Solidus) | 1810°F |
| Melting Point (Liquidus) | 1880°F |
| Electrical Conductivity | 37% IACS |
Mechanical Properties
| Tensile Strength | 39–72 ksi |
|---|---|
| Yield Strength | 10–63 ksi |
| Elongation | 3–55% |
| Hardness | 10–77 Rockwell B |
| Machinability Rating | 30 |
Thermal Properties
| Thermal Conductivity | 92 Btu/ft·hr·°F |
|---|---|
| Coefficient of Expansion | 10.4 × 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
- Plumbing pipe and fittings
- Heat exchanger tubes
- Condenser tubes
- Architectural trim
- Fire hose couplings
- Radiator cores
- Fasteners
- Rivets and eyelets
Applicable Specifications
- ASTM B43
- ASTM B111
- ASTM B135
- SAE J461
- SAE J463
Frequently Asked Questions
Common questions about C23000 Red Brass, 85% specifications, applications, and material properties.