CDA350 (Medium Leaded Brass, 62%)
CDA350 Medium Leaded Brass is a 62% brass alloy with good machinability and fair forming capacity. It is commonly used for strip, rod, sheet, plate, bar, and precision brass components.
- Description
- Product Specifications
Description
CDA350 Medium Leaded Brass is a copper-zinc-lead alloy designed for applications that require reliable machining, blanking, piercing, punching, roll threading, knurling, and stamping. Its medium lead content improves machinability while still allowing fair cold working and hot forming.
This alloy is commonly used for hardware, lock components, keys, fasteners, gears, engraving plates, clock plates, bearing cages, hose couplings, and plumbing parts. It offers excellent soldering suitability, good brazing suitability, and a machinability rating of 70.
Key Features:
- Medium leaded brass alloy
- 62% brass grade
- Machinability rating of 70
- Forgibility rating of 50
- Excellent soldering suitability
- Good brazing suitability
- Fair cold working and hot forming capacity
- Suitable for blanking, machining, piercing, punching, roll threading, knurling, and stamping
| Element | Composition | Nominal |
|---|---|---|
| Copper (Cu) | 60.0-63.0% | 61.5% |
| Lead (Pb) | 0.8-2.0% | 1.1% |
| Iron (Fe) | 0.15% max | – |
| Zinc (Zn) | Remainder | 37.4% |
| Cu + Named Elements | 99.6% min | – |
| Form | Temper | Section Size | Tensile Strength | Yield Strength | Elongation |
|---|---|---|---|---|---|
| Rod | OS015 | 12.7 mm | 379 MPa | 172 MPa | 46% |
| Rod | O60 | <12.7 mm | 317 MPa | 110 MPa | 20% |
| Flat Products | H02 | 1 mm | 414 MPa | 310 MPa | 29% |
| Flat Products | OS015 | 1 mm | 352 MPa | 172 MPa | 46% |
| Flat Products | H06 | 1 mm | 579 MPa | 448 MPa | 5% |
| Flat Products | OS035 | 1 mm | 324 MPa | 110 MPa | 54% |
| Rod | H02 | <12.7 mm | 393 MPa | 172 MPa | 7% |
| Rod | OS050 | 12.7 mm | 331 MPa | 110 MPa | 56% |
| Melting Point – Liquidus | 916°C |
|---|---|
| Melting Point – Solidus | 893°C |
| Density | 8.44 g/cm³ at 20°C |
| Specific Gravity | 8.44 |
| Electrical Resistivity | 6.63 microhm-cm at 20°C |
| Electrical Conductivity | 0.152 MegaSiemens/cm at 20°C |
| Thermal Conductivity | 116.0 W/m.K at 20°C |
| Coefficient of Thermal Expansion | 20.3 x 10⁻⁶ per °C, 20-300°C |
| Specific Heat Capacity | 377.1 J/kg.K at 293 K |
| Modulus of Elasticity | 103400 MPa |
| Modulus of Rigidity | 38610 MPa |
| Soldering | Excellent |
|---|---|
| Brazing | Good |
| Butt Weld | Fair |
| Cold Working | Fair |
| Hot Forming | Fair |
| Forgeability Rating | 50 |
| Machinability Rating | 70 |
| Common Fabrication Processes | Blanking, machining, piercing, punching, roll threading, knurling, and stamping |
| Common Forms | Bar, plate, rod, sheet and strip |
| Applicable Specifications | ASTM B121, ASTM B453, SAE J461 and SAE J463 |
