H65 brass round tube is a copper-zinc alloy containing about 65% copper, offering excellent formability, corrosion resistance, and tensile strength of around 450 MPa, widely used in heat exchangers, plumbing systems, decorative fittings, and precision mechanical components.
Product Parameters
|
Parameter Category |
Typical Value / Range |
|
Alloy Designation |
H65 (CuZn35) |
|
Chemical Composition |
Cu: 63.0–68.5 %; Zn: Balance; |
|
Density |
Approx. 8.47 g/cm³ |
|
Tensile Strength (σᵦ) |
350–560 MPa |
|
Yield Strength (σ₀.₂) |
200–300 MPa |
|
Elongation (A₅) |
10–35 % |
|
Hardness (HV) |
80–160 HV |
|
Melting Point |
930–950 °C |
|
Electrical Conductivity |
Approx. 28–30 % IACS |
|
Thermal Conductivity |
Approx. 120 W/(m·K) |
|
Coefficient of Thermal Expansion |
20.9 × 10⁻⁶ /°C |
|
Tube Outer Diameter Range |
3 mm – 120 mm |
|
Wall Thickness Range |
0.3 mm – 10 mm |
|
Length |
Up to 6 m or as required |
|
Surface Finish |
Bright, polished, or mill finish |
|
Manufacturing Standard |
ASTM B135 / JIS H3300 / GB/T 5231 |
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