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4032 Aluminum Tube

Aluminum AlloyPipe/Tube
4032 Aluminum Tube
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Description (English)

4032 aluminum tube is a high-silicon aluminum alloy tubing product with good wear resistance, heat resistance, and dimensional stability. Its relatively low thermal expansion and good machinability make it suitable for automotive, mechanical, and industrial applications. 4032 aluminum tubing is commonly selected for pistons and other precision components that require reliable wear resistance and dimensional stability.

Size Range

  • Outer Diameter: 10–300 mm
  • Inner Diameter: 5–280 mm
  • Wall Thickness: 1–30 mm
  • Length: 100–6000 mm

Grade Specification

SystemValue
USA / Aluminum Association (AA)4032
USA / UNSA94032
USA / ASTMB247 4032, B275 UNS A94032, B918 4032
USA / SAE4032 / 32S
Europe / ENEN AW-4032
Europe / EN Chemical Designation:EN AW-AlSi12.5MgCuNi
Japan / JISA4032FD
China / GB4032
China / GB Equivalent4A11 (LD11)
France / AFNOREN AW-4032 / EN AW-AlSi12.5MgCuNi
Spain / UNEL-3541 / Al-12SiNi
Korea / KSA4032FD
Mexico / NMX4032
Russia / GOSTAK9
International / ISO4032

Chemical Composition

ElementValue
Silicon (Si)11.0–13.5%
Copper (Cu)0.50–1.3%
Magnesium (Mg)0.8–1.3%
Nickel (Ni)0.50–1.3%
Iron (Fe)≀1.0%
Manganese (Mn)≀1.0%
Zinc (Zn)≀0.25%
Titanium (Ti)≀0.10%
Aluminum (Al)Balance

Mechanical Properties

PropertyValue
Tensile Strength380–450 MPa
Yield Strength300–400 MPa
Elongation3–8%

Physical Properties

PropertyUnitValue
Density-2.68 g/cmΒ³
Melting Range-510–590Β°C
Thermal Conductivity-134 W/mΒ·K
Coefficient of Thermal Expansion-18.5 Γ— 10⁻⁢/K
Modulus of Elasticity-78 GPa

Applications

  • Automotive Components
  • Pistons and Piston Components
  • Engine Components
  • Mechanical Equipment
  • Industrial Machinery
  • Precision-Machined Parts
  • Wear-Resistant Components
  • Heat-Resistant Components