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Aluminum Bar

Aluminum Bar is a lightweight, high-performance metallic material renowned for its exceptional strength-to-weight ratio, natural corrosion resistance, and excellent machinability. Our material library covers a full range of aluminum alloy systems, from high-purity pure aluminum to ultra-high-strength multi-element alloys. Our precision-manufactured aluminum bars feature tight dimensional tolerances and uniform material properties, fully matching aerospace, automotive, industrial engineering, and architectural project requirements.

Alloy Series Product Form Composition Key Characteristics Typical Applications
Pure Al
Extruded Round Bar
High Purity Grade
 Al ≥ 99.0%
Trace impurities		 Excellent ductility and formability, superior corrosion resistance, high electrical and thermal conductivity, easy to weld and polish.
  • Electrical busbars & conductors
  • Corrosion-resistant structural parts
  • Decorative trim & chemical equipment
Al-Cu
Forged & Extruded Bar
Heat-Treatable High-Strength
 Al base
Cu primary alloying		 High mechanical strength and rigidity, good heat resistance, excellent machinability, hardenable via heat treatment.
  • Aerospace structural components
  • High-strength fasteners & fittings
  • High-load mechanical parts
Al-Mn
Precision Drawn Bar
General-Purpose Corrosion Resistant
 Al base
Mn primary alloying		 Moderate strength, outstanding formability, excellent corrosion resistance, superior weldability, retains ductility after forming.
  • Architectural structural frames
  • Welding assemblies & storage tanks
  • General sheet metal fabrication
Al-Mg
Extruded Round Bar
Marine-Grade Anti-Corrosion
 Al base
Mg primary alloying		 Medium to high strength, exceptional saltwater corrosion resistance, excellent weldability, good fatigue performance.
  • Marine & shipbuilding components
  • Automotive body structures
  • Pressure vessels & outdoor equipment
Al-Mg-Si
Precision Extruded Bar
Structural Versatile Grade
 Al base
Mg + Si main alloying		 Balanced strength and ductility, good formability, excellent corrosion resistance, easy to anodize and machine.
  • Architectural curtain walls & frames
  • Electronic equipment structures
  • General engineering profiles
Al-Zn-Mg-Cu
High-Strength Forged Bar
Ultra-High Strength Grade
 Al base
Zn + Mg + Cu multi-alloying		 Ultra-high tensile strength and hardness, excellent fatigue resistance, peak performance after heat treatment, suitable for heavy loads.
  • Aerospace primary structures
  • High-performance automotive parts
  • Mold tooling & heavy-duty components
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  • 6061-T6 Aluminum Round Bar | Solid Rod Stock, Cut to Size
      6061-T6 Aluminum Round Bar | Solid Rod Stock, Cut to Size
      6061-T6 Aluminum Round Bar | Solid Rod Stock, Cut to Size RapidKeen supplies 6061-T6 aluminum round bar in a full range of inch and metric diameters. Every length of 6061 aluminum round bar is solid, heat treated to the T6 temper, and ready for...
    • 2 Inch 6061-T6 Aluminum Round Bar, 26–50mm Solid Bar Stock
        2 Inch 6061-T6 Aluminum Round Bar, 26–50mm Solid Bar Stock
        2 Inch 6061-T6 Aluminum Round Bar, 26–50mm Solid Bar Stock This collection covers 6061-T6 aluminum round bar 2 inch and the full medium-large band from 26mm to 50mm: solid, heat-treated bar for spindles, gear and pulley blanks, thick flanges, mold components, and heavy tooling....
      • 3 Inch 6061-T6 Aluminum Round Bar, 55–75mm Solid Billet
          3 Inch 6061-T6 Aluminum Round Bar, 55–75mm Solid Billet
          3 Inch 6061-T6 Aluminum Round Bar, 55–75mm Solid Billet This collection covers 3 inch 6061 aluminum round bar and the heavy section band from 55mm to 75mm: solid, T6 heat-treated bar that doubles as small billet stock. These diameters are chosen for heavy spindles,...
        • Large Diameter 6061-T6 Aluminum Round Bar, 80–100mm Billet
            Large Diameter 6061-T6 Aluminum Round Bar, 80–100mm Billet
            Large Diameter 6061-T6 Aluminum Round Bar, 80–100mm Billet This collection covers large diameter 6061 aluminum round bar from 80mm to 100mm: solid, T6 heat-treated bar used as billet stock and sliced round blanks for mold blocks, heavy flanges, housings, and parts machined entirely from...
          • Small Diameter 6061-T6 Aluminum Rod, 1–3mm Solid Round Bar
              Small Diameter 6061-T6 Aluminum Rod, 1–3mm Solid Round Bar
              Small Diameter 6061-T6 Aluminum Rod, 1–3mm Solid Round Bar This is the small diameter 6061 aluminum rod collection from RapidKeen: straight, solid round bar in 1mm, 2mm, and 3mm diameters, all heat treated to the T6 temper. These thin 6061 aluminum rods are made...
            • 3/16 Inch 6061-T6 Aluminum Round Bar, 4–6mm Solid Rod
                3/16 Inch 6061-T6 Aluminum Round Bar, 4–6mm Solid Rod
                3/16 Inch 6061-T6 Aluminum Round Bar, 4–6mm Solid Rod This collection covers 3/16 inch 6061 aluminum round bar and its matching metric sizes: straight, solid rod in 4mm, 5mm, and 6mm, all heat treated to the T6 temper. It is the step up from...
              • 1/4 Inch 6061-T6 Aluminum Round Bar, Solid 6mm Rod
                  1/4 Inch 6061-T6 Aluminum Round Bar, Solid 6mm Rod
                  1/4 Inch 6061-T6 Aluminum Round Bar, Solid 6mm Rod The 1/4 inch 6061-T6 aluminum round bar from RapidKeen is a solid 6mm aluminum rod made for small, precise parts. Heat treated to the T6 temper, this quarter-inch 6061 aluminum rod combines real strength with...
                • 5/16 Inch 6061-T6 Aluminum Round Bar, 7–12mm Solid Rod
                    5/16 Inch 6061-T6 Aluminum Round Bar, 7–12mm Solid Rod
                    5/16 Inch 6061-T6 Aluminum Round Bar, 7–12mm Solid Rod This collection covers 5/16 inch 6061 aluminum round bar and its matching metric sizes from 7mm to 12mm: straight, solid rod heat treated to the T6 temper. It is the small-shaft range — used wherever...
                  • 3/8 Inch 6061-T6 Aluminum Round Bar, Solid 9.5mm Rod
                      3/8 Inch 6061-T6 Aluminum Round Bar, Solid 9.5mm Rod
                      3/8 Inch 6061-T6 Aluminum Round Bar, Solid 9.5mm Rod The 3/8 inch 6061-T6 aluminum round bar from RapidKeen is a solid 9.5mm aluminum rod built for small shafts, turned fittings, and mechanical linkages. Heat treated to the T6 temper, this 6061 aluminum rod has...
                    • 1/2 Inch 6061-T6 Aluminum Round Bar, Solid 12mm Rod Stock
                        1/2 Inch 6061-T6 Aluminum Round Bar, Solid 12mm Rod Stock
                        1/2 Inch 6061-T6 Aluminum Round Bar, Solid 12mm Rod Stock The 1/2 inch 6061-T6 aluminum round bar is the single most-used diameter in the RapidKeen solid bar range. It is a solid 12mm-class aluminum rod, heat treated to the T6 temper, that balances real...
                      • 7/8 Inch 6061-T6 Aluminum Round Bar, 13–25mm Solid Bar
                          7/8 Inch 6061-T6 Aluminum Round Bar, 13–25mm Solid Bar
                          7/8 Inch 6061-T6 Aluminum Round Bar, 13–25mm Solid Bar This is the general-purpose core of the RapidKeen bar range: 7/8 inch 6061 aluminum round bar and its matching metric sizes from 13mm to 25mm, all heat treated to the T6 temper. This is the...
                        • 6061-T6 Aluminum Round Bar 5/8 Inch | Solid 16mm Rod Stock
                            6061-T6 Aluminum Round Bar 5/8 Inch | Solid 16mm Rod Stock
                            5/8 Inch 6061-T6 Aluminum Round Bar, Solid 16mm Rod Stock The 5/8 inch 6061-T6 aluminum round bar from RapidKeen is a solid 16mm-class aluminum rod for medium-duty shafts, bushings, and pivot assemblies. Heat treated to the T6 temper, this 6061 aluminum rod adds cross...
                          • 3/4 Inch 6061-T6 Aluminum Round Bar, Solid 19mm Rod Stock
                              3/4 Inch 6061-T6 Aluminum Round Bar, Solid 19mm Rod Stock
                              3/4 Inch 6061-T6 Aluminum Round Bar, Solid 19mm Rod Stock The 3/4 inch 6061-T6 aluminum round bar is one of the three best-selling diameters in the RapidKeen solid bar range. It is a solid 19mm-class aluminum rod, heat treated to the T6 temper, built...
                            • 1 Inch 6061-T6 Aluminum Round Bar, Solid 25mm Rod Stock
                                1 Inch 6061-T6 Aluminum Round Bar, Solid 25mm Rod Stock
                                1 Inch 6061-T6 Aluminum Round Bar, Solid 25mm Rod Stock The 1 inch 6061-T6 aluminum round bar is one of the three best-selling diameters in the RapidKeen solid bar range and the standard starting point for heavy-duty shafting. It is a solid 25mm-class aluminum...

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