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Brass

Brass is a copper-zinc alloy known for its golden appearance, excellent machinability, good corrosion resistance, and superior formability. Widely used in plumbing fittings, valves, decorative hardware, musical instruments, and precision components.

Popular Grades

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H80 / C24000
Cu 79.0 ~ 81.0%Zn Balance Fe ≤ 0.10%Pb ≤ 0.03% P ≤ 0.01%Impurities ≤ 0.3% UNS C24000Low Brass
H90 / C22000
Cu 88.0 ~ 91.0%Zn Balance Fe ≤ 0.10%Pb ≤ 0.03% P ≤ 0.01%Impurities ≤ 0.2% UNS C22000Commercial Bronze
H96 / C21000
Cu 95.0 ~ 97.0%Zn Balance Fe ≤ 0.10%Pb ≤ 0.03% P ≤ 0.01%Impurities ≤ 0.2% UNS C21000Gilding Metal
HPb59-1 / C37700
Cu 57.0 ~ 60.0%Pb 0.8 ~ 1.9% Zn BalanceFe ≤ 0.50% Free-Cutting BrassUNS C37700 Excellent MachinabilityForging Brass
HPb63-3
Cu 62.0 ~ 65.0%Pb 2.4 ~ 3.0% Zn BalanceFe ≤ 0.10% Free-Cutting BrassHigh Precision Clock & Watch GradeAutomatic Lathe
H59 / C28000
Cu 57.0 ~ 60.0%Zn Balance Fe ≤ 0.30%Pb ≤ 0.50% P ≤ 0.01%Impurities ≤ 1.0% UNS C28000Free-Cutting Brass
H63 / C27400
Cu 62.0 ~ 65.0%Zn Balance Fe ≤ 0.15%Pb ≤ 0.08% P ≤ 0.01%Impurities ≤ 0.5% UNS C27400Deep-Drawing Grade
H70 / C26000
Cu 68.5 ~ 71.5%Zn Balance Fe ≤ 0.10%Pb ≤ 0.03% P ≤ 0.01%Impurities ≤ 0.3% UNS C26000Cartridge Brass
H85 / C23000
Cu 84.0 ~ 86.0%Zn Balance Fe ≤ 0.05%Pb ≤ 0.05% P ≤ 0.01%Impurities ≤ 0.3% UNS C23000Red Brass
HPb62-3
Cu 60.0 ~ 63.0%Pb 2.5 ~ 3.7% Zn BalanceFe ≤ 0.15% P ≤ 0.01%Impurities ≤ 0.50% Free-Cutting BrassLeaded Brass
HSn70-1
Cu 69.0 ~ 71.0%Sn 0.8 ~ 1.3% Zn BalanceFe ≤ 0.10% As 0.03 ~ 0.06%Pb ≤ 0.05% Naval BrassCorrosion Resistant
HAl77-2
Cu 76.0 ~ 79.0%Al 1.8 ~ 2.5% Zn BalanceFe ≤ 0.06% Pb ≤ 0.05%Impurities ≤ 0.3% Aluminium BrassSeawater Service

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