Aluminum Precision Ground Bars

Aluminum Rounds

Our aluminum precision ground round bars provide excellent machinability, corrosion resistance, dimensional accuracy, and lightweight strength. They are widely used for aerospace, automotive, marine, robotics, construction, and general engineering components requiring reliable performance and consistent surface quality.

Common Alloys for Aluminum Rounds:

  • 6061 Aluminum Round Bar – Strong, corrosion-resistant, weldable, and widely used for aerospace, automotive, structural, and machined components.
  • 6063 Aluminum Round Bar – Offers a smooth surface finish and good corrosion resistance for architectural and decorative applications.
  • 7075 Aluminum Round Bar – Provides a high strength-to-weight ratio and fatigue resistance for aerospace and high-performance components.
  • 2024 Aluminum Round Bar – High-strength, fatigue-resistant alloy used for aircraft structures and precision aerospace parts.

Key Properties:

  • Lightweight Construction
  • Excellent Corrosion Resistance
  • Good thermal and electrical conductivity
  • High Strength-to-Weight Ratio
  • Excellent Machinability & Fabrication

Applications:

  • Aerospace components
  • Structural and architectural elements
  • Marine and automotive parts
  • Medical equipment
  • General engineering and machining

Precision Ground Aluminum Bars

Precision ground aluminum bars are aluminum round bars that have been precisely machined and ground to tight tolerances for enhanced dimensional accuracy and surface finish. These bars are commonly used in applications requiring high precision and smooth surfaces.

Key Features:

  • Tight diameter tolerances (often within ±0.001")
  • Improved surface finish for better wear resistance
  • High consistency in mechanical properties
  • Typically made from 6061 or 7075 aluminum

Applications:

  • Precision machining and tooling
  • Robotics and automation components
  • Aerospace and defense parts
  • Hydraulic and pneumatic cylinders
  • Optical and electronic equipment
Aluminum precision ground round bars are available in multiple alloy series, each offering distinct strength, corrosion resistance, machinability, weldability, and application performance. Common aluminum grades include:

1xxx Series (Pure Aluminum)

  • 1100 –Commercially pure grade with excellent corrosion resistance and workability but lower strength. Used in chemical and food-processing applications.

2xxx Series (Aluminum-Copper Alloys)

  • 2024 – High-strength grade with good fatigue resistance and moderate corrosion resistance. Common in aerospace and structural components.

5xxx Series (Aluminum-Magnesium Alloys)

  • 5052 –Offers good corrosion resistance, strength, and weldability for marine and transportation applications.
  • 5086 – Provides excellent saltwater corrosion resistance and strength for shipbuilding and marine components.

6xxx Series (Aluminum-Magnesium-Silicon Alloys)

  • 6061 –Versatile grade with excellent strength, corrosion resistance, machinability, and weldability for aerospace, automotive, and structural applications.
  • 6063 – Provides a superior surface finish and good corrosion resistance for architectural and decorative applications.

7xxx Series (Aluminum-Zinc Alloys)

  • 7075 –Very high-strength grade with excellent hardness and fatigue resistance for aerospace and high-performance components.
Each grade has specific mechanical properties, heat treatment options, and applications, so selecting the right one depends on your needs.