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Metal
CuZn39Pb | GB H59
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Brass H59 is a copper-zinc alloy brass containing approximately 59% copper. Classified as a lead-free high-zinc brass under China's GB standard, it exhibits relatively poor machinability but possesses high mechanical strength and excellent formability. It is suitable for manufacturing structural and load-bearing components requiring high strength.
180–300 MPa
370–500 MPa
≥ 10% (Annealed)
100 - 160 HB
100–110 GPa
150 - 200 °C
120 - 140 W/m·K
20 × 10⁻⁶ /K (25–100 °C)
8.4–8.6 g/cm³
~6.2–6.6 μΩ·cm
Fair
Poor to Fair
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