ZYTC's H62 (CuZn40) Brass Solutions: Quality, Versatility, and Timely Delivery

H62 Brass (CuZn40), a high-performance copper-zinc Alloy, stands as a cornerstone in industrial applications due to its balanced mechanical properties, ease of fabrication, and corrosion resistance. ZYTC Alloy’s recent successful export of H62Brass Sleeves (70mm OD × 25mm ID × 300mm L) to Thailand—manufactured under strict GB/T 1176 standards—exemplifies our commitment to global quality excellence. Beyond sleeves, we specialize in producing H62 in diverse forms: sheets, strips, wires, bars, capillary tubes, seamless Pipes, and forgings, adhering to ASTM, EN, and AMS specifications.

Chemical Composition & Key Properties
H62 Brass comprises 60.5%–63.5% copper (Cu), with zinc (Zn) as the primary balancing element. Impurities are meticulously controlled: iron (Fe) ≤ 0.15%, lead (Pb) ≤ 0.08%, and trace elements like antimony (Sb), bismuth (Bi), and phosphorus (P) kept below 0.005%, 0.002%, and 0.01%, respectively. This ensures optimal purity and performance consistency159.

Mechanical Performance

• Tensile Strength: 410–630 MPa

• Elongation: ≥10%

• Hardness: 105–175 HV
  The alloy’s dual-phase (α+β) structure enables exceptional machinability, weldability, and formability—both hot (650°C–850°C) and cold. However, it requires controlled annealing (270°C–300°C) to mitigate stress-corrosion cracking risks125.

Thermal & Corrosion Behavior
H62 exhibits a thermal conductivity of 116.7 W/(m·K) and density of 8.43–8.5 g/cm³. While it resists atmospheric and freshwater corrosion well, precautions are advised in marine or ammonia-rich environments to prevent dezincification10.

Industrial Applications
H62’s versatility supports diverse sectors:

• Automotive & Electronics: Terminals, connectors, and springs78.

• Construction & HVAC: Pipes, heat exchangers, and architectural fittings210.

• Hardware: Rivets, washers, and bushings for high-stress assemblies15.

ZYTC Alloy’s Capabilities
We combine standardized workflows, rigorous testing (including third-party validation), and rapid turnaround to deliver H62 products that exceed international benchmarks. Our Thailand order underscores reliability for mission-critical components, backed by:

• Multi-format production (sheets, tubes, forgings, etc.).

• Compliance with ASTM, EN, AMS, and GB/T standards.

• Cost-effective solutions without quality compromise.

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