Industrial metal background

2024 Aluminum Round Bar | ASTM B211 Aerospace Aluminum Bar

铝合金棒材
2024 Aluminum Round Bar | ASTM B211 Aerospace Aluminum Bar
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概述

2024 Aluminum Round Bar is a high-strength aluminum-copper alloy widely used in aerospace, transportation, machinery, and structural applications. It offers an excellent strength-to-weight ratio, good machinability, and good fatigue resistance. Common tempers include T3, T4, and T351.

尺寸范围

  • Diameter: 5–500 mm
  • Length: 500–6000 mm

牌号标准

标准体系数值
2024 / 2024-T3 / 2024-T4 / 2024-T351-

化学成分

元素数值
Copper (Cu)3.8–4.9%
Aluminum (Al)Balance
Magnesium (Mg)1.2–1.8%
Manganese (Mn)0.3–0.9%
Silicon (Si)≤0.50%
Iron (Fe)≤0.50%
Zinc (Zn)≤0.25%
Titanium (Ti)≤0.15%

机械性能

性能数值
Tensile Strength≥400 MPa
Yield Strength≥270 MPa
Elongation≥10%
HardnessApprox. 120 HB

物理性能

性能单位数值
Density-2.78 g/cm³
Elastic Modulus-73.1 GPa
Thermal Conductivity-Approx. 121 W/m·K
Melting Range-Approx. 502–638°C

应用场景

  • Aerospace components
  • aircraft structures
  • precision-machined parts
  • automotive components
  • shafts
  • fasteners
  • hydraulic equipment
  • high-strength mechanical parts