HIGH-QUALITY ALUMINIUM

ROUND BARS

A versatile solution with optimal strength and corrosion resistance for various industrial and construction needs. Designed to meet quality standards for excellent structural strength and superior finishing results.

The Best ROUND BARS for Your Project

SECTIONØ (mm)W (Kg/m)Max Length (m)
1501070.104-
1501140.034-
1501250.053-
1501360.076-
1501420.008-
150151.350.004-
15016120.306-
1502080.136-
15030100.213-
1504012.70 (1/2")0.343-
1505025.40(1")1.510*-
15060160.545-
1507028.41.717-
15080505.3216
1508150.80(2")5.3355.5
150907612.0402.5
1509188.90(3-1/2")16.4841.8
15093120.285-
15100322.397*-
15200200.851-
152027010.1362.5
1520363.50(2-1/2")8.3083
1520457.57.740*4
1521538.363.155-

Our Selected Aluminium Material Specifications

The Strength of Aluminum for Outdoor Spaces

Our aluminum can be used to create a wide range of your needs such as outdoor furniture, partition systems, rolling doors, and more. Elevate your outdoor living area with our premium aluminum furniture collection.

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Why Choose Us

STRENGTH

Aluminium material with a solid structure that provides high resistance to pressure and heavy loads, making it ideal for industrial and construction requirements.

30-DAY WARRANTY

We provide a 30-day product quality guarantee to ensure you receive material that meets the highest standards and is free from production defects.

MULTIPLE FINISHING

Available in anodizing, powder coating, and mill finish options, offering durability and a clean appearance for various applications.

FORMABILITY

Aluminium offers excellent formability, allowing it to be easily shaped and fabricated into various designs without compromising strength ideal for custom and complex applications.

CUSTOM DESIGN

Bring design to us and we can turn your ideas into precise, high-quality aluminium solutions. Custom sizes, specification and finishing tailored to your project needs.

DOWNLOAD PRODUCT CATALOG AND MORE INFORMATION

INSIGHT

Understanding Aluminum Round Bars

An aluminum round bar is a solid cylinder of extruded metal, and that solidity is the whole specification. Where a round tube is chosen for what it leaves out, a round bar is chosen for what it keeps in: a continuous cross-section that can be turned, threaded, drilled through its centre, and loaded in compression without a wall to buckle. As an aluminum round bar supplier working from Indonesia, we extrude in 6063 and 6061, for the lathe and for the structure alike.

What an Aluminum Round Bar Is

The cross-section is a full circle, specified by a single number: the diameter. A 25 mm bar is 25 mm of solid aluminum end to end, supplied in 6 m lengths as standard.

For an aluminum round bar supplier, that distinction is fundamental when matching a product to a drawing. Worth stating plainly, because the confusion is common: a round bar is solid, a round tube is hollow. If your drawing shows a wall thickness, you are looking at a tube. If it shows one diameter and nothing else, an aluminum round bar is the right product.

How Round Bar Is Made

Across the metal trade, round bar is made by hot rolling for structural stock, cold drawing for tight tolerances and surface finish, and forging for the highest strength. Our aluminum round bar is extruded, a heated billet pressed through a die, which suits 6000-series alloys and gives clean surfaces ready for anodizing. Choosing an aluminum round bar supplier that extrudes in-house keeps lead times short and tolerances consistent.

Round Bar or Machine Rod?

This is one of the few profiles where British and American names carry different shades of meaning. In the United States, round bar covers everything: structural posts, spacer stock, and lathe material. In the UK and Australia, machine rod sits alongside round bar, and the distinction is intent. Machine rod is machining-grade stock, while round bar leans structural. Tell your aluminum round bar supplier which use you have in mind, and the quotation reflects it in temper, tolerance, and machining allowance.

Weight and Tolerances

Weight scales with the square of the diameter. For solid aluminum, unit weight in kg/m sits near 0.00212 x d squared (d in mm), and 1 kg/m converts to about 0.672 lb/ft for imperial take-offs.

Diameter

Weight (kg/m)

Weight (lb/ft)

10 mm

0.21

0.14

20 mm

0.85

0.57

25 mm

1.33

0.89

50 mm

5.30

3.56

Nominal figures for solid 6000-series bar; confirm the exact section against the specification table above.

As an extruded product, the diameter holds to standard mill tolerances, tighter on small sizes, with ovality and cut-length variance controlled to the job. Tell your aluminum round bar supplier the tolerance the finished part needs, and the order is quoted to it.

Buying for the Lathe

First, the temper. 6061-T6 machines noticeably better than softer tempers, because the harder material breaks chips cleanly instead of smearing, which means a better surface finish and less tool gumming.

Second, the allowance. An aluminum round bar supplier should know the finished-machined diameter before quoting the stock size. If you will machine the outside diameter anyway, order 0.5 to 1 mm over the finished size and let the lathe establish precision. If the as-extruded surface is the finished surface, say so, and we hold the extrusion to suit.

Where Aluminum Round Bars Carry the Load

  • Structural supports and posts, where solid section means no wall to dent and full strength at every fastener.
  • Machined components: shafts, standoffs, bushes, pins, and threaded parts turned from rod.
  • Aerospace and marine hardware, where 6061 pairs strength with corrosion resistance for brackets and deck fittings.
  • Energy and renewables, from solar-mounting parts to light-duty axles in jigs and fixtures.
  • Precision spacers, faced to length where consistent solid stock matters more than weight.

The recurring theme is load. An aluminum round bar earns its weight over a tube wherever load is concentrated, the section is small, or the part is cut into from the outside. An aluminum round bar supplier can help match the diameter and alloy to that duty before production.

Choosing the Alloy

6063-T5, yielding near 145 MPa, suits architectural and decorative rod that will be anodized under modest loads. 6061-T6, near 240 MPa, is the bar for structure and for the lathe. When a bar carries load and gets machined, 6061-T6 answers both, which is why it accounts for most of the round bar we ship.

Your Aluminum Round Bar Supplier in Indonesia

For an aluminum round bar supplier, round bar is a cutting-service product by nature, since most parts start as a short billet, not a 6 m length. Send a cutting list and the bars arrive faced to length, deburred, and ready for the chuck. Non-standard diameters come from the die library, and custom solid profiles from a new die against your drawing.

Send the drawing, the cutting list, or just the finished diameter and the duty, and your aluminum round bar supplier replies with temper, allowance, price, and lead time from our factory and warehouse in Indonesia. For solid stock in a flat section, the companion profile lives on our Flat Bar page.

Need Something More Specific?

If you can’t find the service or package that fits your needs, our team is ready to help with a custom solution tailored to your campaign, business goals, and budget. Feel free to contact us for a personalized quote.