CuZn38Pb1.5 (Leaded Brass)
International Designation: C38500 (ASTM)/CW617N (EN).
Excellent machinability (lead improves cutting).
Good corrosion and wear resistance.
Moderate strength for precision components.
Easy to polish or plate.
Form | Dimensions |
Bar | Diameter: Φ5mm–Φ150mm, Length: 1m–6m |
Wire | Diameter: Φ0.5mm–Φ10mm, Coiled |
Sheet | Thickness: 0.5mm–50mm, Width: ≤1000mm |
Tube | OD: Φ10mm–Φ200mm, Wall: 1mm–20mm |
Element | Cu | Zn | Pb | Fe (≤) | Others (≤) |
Content | 58–61 | Bal. | 1.0–2.0 | 0.35 | 0.5 |
Property | Value |
Density | 8.5 g/cm³ |
Melting Point | 885–900°C |
Electrical Conductivity | 28% IACS (20°C) |
Thermal Conductivity | 115 W/(m·K) (20°C) |
Thermal Expansion | 20.2×10⁻⁶/K (20–300°C) |
Property | Value |
Tensile Strength | ≥340 MPa |
Yield Strength | ≥145 MPa |
Elongation | ≥15% |
Hardness (HB) | 75–110 |
Elastic Modulus | 105 GPa |
High machining efficiency reduces costs.
Corrosion resistance for humid environments.
Suitable for complex precision parts.
Machinery: Valves, gears, bearings.
Electronics: Connectors, terminals.
Architecture: Decorative hardware, faucets.
Automotive: Fuel system components.
Machining: Use HSS or carbide tools.
Cold Working: Annealing required.
Welding: Not recommended (lead vapor).
Surface Treatment: Ni/Cr plating advised.
CNC-machined precision parts.
Marine corrosion-resistant fasteners.
Wear-resistant components in appliances.
A: Contains lead; complies with RoHS exemptions.
A: Use CuZn39Pb3 or special lead-free grades (lower machinability).
A: Requires protective coatings; periodic maintenance needed.
International: ASTM B453, EN 12163.
China: GB/T 5231-2012.
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Address:
No.1 Chengxi West Road, Cicheng, Ningbo, China