Aluminium 6061 Round Bars
ASTM B221 / ASME SB221 certified Aluminium 6061 round bars with excellent strength and corrosion resistance. Available in multiple tempers, diameters, finishes and custom lengths. Worldwide export available.
Siddhgiri Overseas is a trusted Aluminium 6061 Round Bars Supplier & Exporter, offering ASTM B221 / ASME SB221 compliant products for industries that require excellent strength, corrosion resistance, and machinability in engineering and fabrication applications. We stock Aluminium 6061 round bars in various diameters, tempers, finishes, and custom-cut lengths to support aerospace, marine, automotive, structural, and industrial machinery projects.
Manufactured with magnesium, silicon, and copper alloying elements, Aluminium 6061 provides excellent strength-to-weight ratio, superior machinability, outstanding corrosion resistance, and exceptional weldability. Its excellent heat-treatability, dimensional stability, and fabrication properties make it the preferred choice for precision engineering, machinery components, and structural applications where reliable performance and lightweight design are essential.
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ASTM B221 Type 6061 Aluminium Round Bars are designed for applications where excellent strength-to-weight ratio, corrosion resistance, machinability, and weldability are essential. Available in multiple heat-treated tempers (T4, T6, T651), Aluminium 6061 offers flexible strength options for precision engineering, aerospace, marine, automotive, and industrial machinery applications.
Siddhgiri Overseas supplies ASTM B221 / ASME SB221 Aluminium 6061 Round Bars in a wide range of diameters, lengths, tempers, and finishes to meet the requirements of precision engineering, aerospace, marine, automotive, and industrial machinery applications.
| Specification | Details |
|---|---|
| Standards | ASTM B221 / ASME SB221 |
| Additional Standards | ASTM B211, ASTM B565, ASTM B316 |
| Temper | T4, T6, T651 |
| Diameter | 5 mm – 500 mm |
| Length | 100 mm – 3000 mm, Random, Fixed & Cut Length |
| Finish | Bright, Polished, Black, Mill Finish |
| Form | Extruded, Cold Finished, Precision Ground |
The excellent strength, corrosion resistance, and machinability of Aluminium 6061 Round Bars are achieved through its balanced chemical composition with magnesium, silicon, and copper. Manufactured to ASTM B221 / ASME SB221 standards, Aluminium 6061 delivers reliable performance in precision engineering, aerospace, marine, and industrial machinery applications.
| Element | Composition (%) |
|---|---|
| Aluminium (Al) | Remainder |
| Magnesium (Mg) | 0.8 – 1.2 |
| Silicon (Si) | 0.4 – 0.8 |
| Copper (Cu) | 0.15 – 0.4 |
| Chromium (Cr) | 0.15 – 0.35 |
| Iron (Fe) | 0.70 Max |
| Manganese (Mn) | 0.15 Max |
| Zinc (Zn) | 0.25 Max |
| Titanium (Ti) | 0.15 Max |
| Property | Value |
|---|---|
| Tensile Strength | 45,000 PSI |
| Yield Strength | 40,000 PSI |
| Shear Strength | 31,000 PSI |
| Elongation | 12% |
| Brinell Hardness | 95 HB |
Siddhgiri Overseas supplies Aluminium 6061 Round Bars in a wide range of tempers, diameters, and surface finishes to meet the needs of precision engineers, machine shops, fabricators, aerospace manufacturers, and industrial machinery companies. Our inventory includes both standard stock sizes and custom-cut materials to suit specific project requirements.
Suitable for applications requiring excellent formability and the ability to achieve higher strength through final heat treatment in manufacturing processes.
The most commonly specified temper, offering excellent mechanical strength, hardness, and wear resistance for precision engineering and industrial machinery applications.
Stress-relieved bars designed for superior dimensional stability during precision machining and fabrication of high-tolerance components.
Manufactured with an attractive polished surface finish, ideal for precision engineering, architectural applications, and visible machinery components.
Available with premium polished finishes where improved surface appearance and enhanced corrosion resistance are required for specialized applications.
Suitable for industrial machining, fabrication operations, and applications where surface finish is not critical to functionality.
Produced with consistent mechanical properties and dimensional accuracy, suitable for structural applications and general engineering requirements.
Available for close-tolerance precision machining and manufacturing of high-precision engineering components requiring tight dimensional controls.
Custom lengths supplied according to customer drawings and production requirements to minimize material wastage and reduce fabrication time.
The excellent strength-to-weight ratio, machinability, and corrosion resistance of Aluminium 6061 Round Bars make them the preferred material for precision engineering, machinery, aerospace, marine, and structural applications. Their outstanding durability, weldability, and fabrication properties allow them to perform reliably in applications where lightweight performance and long service life are critical.
Widely used for precision-machined shafts, couplings, fasteners, bushings, and engineering components where tight tolerances and superior machinability are required.
Used in aircraft structures, aerospace fittings, components, and assemblies where excellent strength-to-weight ratio and reliability are critical.
Suitable for marine equipment, boat fittings, coastal structures, and offshore equipment due to excellent seawater and salt-spray corrosion resistance.
Commonly used in automotive components, vehicle structures, and transportation equipment where weight reduction and strength are important.
Used in machinery shafts, equipment frames, hydraulic components, and fabricated structures where reliability and durability are essential.
Suitable for structural components, fabrication projects, and engineering frameworks requiring excellent strength and weldability.
Used in robotic arms, automation machinery, and precision equipment where lightweight design and reliability improve performance.
Widely specified for machining, fabrication, stamping, and other manufacturing processes across diverse industrial sectors.
Siddhgiri Overseas is a trusted supplier and exporter of Aluminium 6061 Round Bars, serving the requirements of machine shops, fabricators, OEMs, precision engineers, and industrial companies across India and international markets. We combine certified materials, ready inventory, and responsive customer service to ensure every order meets your project specifications. All our Aluminium 6061 Round Bars are supplied in accordance with ASTM B221 / ASME SB221 standards and are available in multiple diameters, tempers, finishes, and custom lengths. Each order is backed by complete material traceability and Mill Test Certificates (MTC), giving you confidence in the quality and authenticity of the material. Whether you require standard stock material or project-specific quantities, our team is committed to providing competitive pricing, timely deliveries, secure export packaging, and dependable support throughout the procurement process.
All Aluminium 6061 Round Bars are manufactured to international standards with complete material traceability and Mill Test Certificates (MTC) for quality assurance.
We maintain comprehensive inventory in various diameters, tempers, and finishes to support urgent requirements and large-scale project demands with shorter lead times.
We provide cut-to-length bars, custom diameters, and precision-finished materials to reduce fabrication time and material wastage.
Products are securely packed using export-grade materials to ensure safe transportation. We supply customers across India, UAE, Saudi Arabia, Qatar, Kuwait, South Africa, and other international markets.
Our experienced team provides prompt quotations, technical guidance, material selection assistance, and responsive customer support from enquiry to delivery.
Looking for a reliable supplier of Aluminium 6061 Round Bars? Siddhgiri Overseas offers certified materials, ready stock, and customized supply solutions to meet the demands of precision engineering, aerospace, marine, automotive, and industrial machinery projects. Share your specifications, quantity, diameter, and delivery location with our team, and we'll provide a competitive quotation along with the most suitable material solution for your application. We are committed to helping you source high-quality Aluminium 6061 Round Bars with reliable service and on-time delivery.