6061 Aluminum Flat Bar

6061 Aluminum Alloy Flat Bar

6061 aluminum alloy flat bar represents one of the most versatile and widely used aluminum products in modern engineering and manufacturing. As a member of the 6000 series aluminum alloys, 6061 is primarily alloyed with magnesium and silicon, creating an alloy that offers an exceptional combination of strength, corrosion resistance, workability, and weldability. The “flat bar” form factor provides specific advantages for applications requiring rectangular cross-sections with flat surfaces and precise dimensions, making it ideal for structural components, brackets, frames, and machined parts.

Advantage	Description
Exceptional Versatility	6061 aluminium flat bar can be easily machined to precise tolerances, formed into complex shapes, welded using common techniques, and subjected to a variety of surface treatments. The flat bar shape factor offers particular advantages for applications requiring rectangular cross-sections with flat, parallel surfaces and precise edge dimensions. This makes it ideal for components where a flat surface is critical to assembly, installation, or aesthetic requirements.
Excellent Corrosion Resistance	The alloy’s natural corrosion resistance, particularly in T4 and T651 tempers, ensures reliable performance in harsh environments, including marine and outdoor applications, without the need for extensive protective coatings.
Superior Weldability	6061 aluminum flat bar can be easily welded using common techniques including TIG, MIG, and resistance welding, allowing for the creation of complex assemblies without compromising structural integrity.
Good Machinability	Particularly in the T6 temper, 6061 aluminum offers excellent machinability, enabling the production of precision components with tight tolerances and excellent surface finishes through common machining processes.
Excellent Surface Finish	The flat bar form factor provides naturally flat, parallel surfaces with clean edges, reducing the need for additional surface preparation and enabling high-quality finishes.

Our 6061 aluminum alloy flat bars are available in various thicknesses and widths to suit different application requirements, and custom sizes can also be made to meet specific design needs. Our 6061 aluminum alloy flat bars conform to international standards, including ASTM B211, ASTM B221, AMS 4115, AMS 4116, AMS 4128, AMS-QQ-A-200/8, etc. We also provide Material Testing Certificates (MTC) and third-party inspection reports upon request to ensure quality assurance for your critical applications.

HSTF Aluminum is a high-quality 6061 alloy aluminum bar supplier and manufacturer in China. We have large stock, factory direct price, quality assurance, fast delivery.

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Specification

Product Name	6061 Aluminum Alloy Flat Bar
Equivalent Names	A96061, EN AW-6061, AlMgSiCu, HE20, AA6061, 3.3211
Tempers	T6, T651, T6511
Thickness	0.08″ – 9.8″ (2 – 250mm)
Width	0.2″ – 11.8″ (5 – 300mm)
Length	3m / 6m / 12m, customizable for cutting
Edge Processing	Right angle, rounded corner, R rounded corner
Production Process	Extruded, Aluminum plate sawing
Standards	ASTM B211, ASTM B221, AMS 4115, AMS 4116, AMS 4117, AMS 4128, AMS-QQ-A-225/8, AMS 4150, AMS 4160, AMS 4161, AMS-QQ-A-200/8
Certifications	ISO 9001, AS9100, NADCAP (HT & NDT)
Inspection Methods	Ultrasonic Testing (ASTM B594), Metallography, Mechanical Property Testing
Package	1. Inner protection: We wrap each aluminum rod in PE film, with optional paper, cardboard, or foam layers to resist moisture and scratches. 2. Bundle securing: The packaging process bundles and reinforces aluminum rods with steel or PET straps, with protective padding to prevent loosening and abrasion. 3. Outer packaging: We pack bulk orders in sturdy wooden crates or pallets, with optional export-grade fumigation and moisture-proof lining for compression and shock resistance.

HSTF 6061 Aluminium Alloy Flat Bar Temper

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HSTF 6061 Aluminum Alloy Flat Bar Producr

HSTF Deep Processing Services

We also offer comprehensive finishing services tailored to your specific needs. With advanced equipment and expertise, we can transform aluminum flat steel into custom components perfectly suited to your project, helping you optimize your production processes and reduce overall costs.

Processing Services	Description
Surface Treatment	Polishing for a bright shine. Anodizing for enhanced corrosion resistance and a variety of colors. Sandblasting for a uniform matte or textured surface.
Custom Length Cutting	Precise cutting to your specified length, ensuring accurate dimensions and reducing material waste.
Edge Smoothing Treatment	Deburring and chamfering for smooth, flat edges, enhancing safety and aesthetics.
Drilling	High-precision drilling according to drawings, ensuring perfect compatibility with your components.
Bending	Accurate bending and forming of aluminum flat bars according to design requirements.
Other	Milling, welding, and surface brushing.

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Application

1. Aerospace & Aviation:​ Structural components, brackets, supports, and framing elements where a combination of strength, weight, and corrosion resistance is essential. The 6061 alloy’s excellent strength-to-weight ratio makes it ideal for aerospace applications.

2. Mechanical Engineering & Machinery:​ Precision components, mounting plates, brackets, supports, and structural elements for industrial machinery where strength, dimensional accuracy, and reliability are critical. The flat bar form factor is particularly valuable for machined components.

3. Transportation & Automotive:​ Vehicle frames, structural components, brackets, and mounting systems where corrosion resistance, strength, and weight considerations are important. Commonly used in both commercial and specialty vehicles.

4. Marine & Offshore:​ Boat components, dock fittings, and marine hardware where excellent corrosion resistance, particularly in saltwater environments, is essential. The alloy’s natural corrosion resistance is highly valued in marine applications.

5. Construction & Architecture:​ Structural elements, framing components, and architectural features where a combination of strength, lightweight properties, and corrosion resistance is required. Often used in both interior and exterior applications.

6. Sports & Recreation Equipment:​ Components for bicycles, fitness equipment, and recreational gear where strength, lightweight properties, and corrosion resistance are important. The 6061 alloy’s properties make it ideal for demanding recreational applications.

7. Manufacturing & Fabrication:​ Base materials for secondary processing including machining, welding, bending, and forming operations where precise dimensions and reliable material properties are essential.

HSTF’s Production Capacity

At HSTF, We employ a fully integrated manufacturing system to produce 6061 aluminum bar, encompassing all stages from alloy smelting, extrusion, precision machining, and customized packaging. Our combined large-scale production capacity and stringent quality control enable us to meet both high-volume orders and specialized processing needs.

• High-precision extrusion production lines are suitable for a wide range of products (10 mm to 390 mm) with strict control over mechanical properties and grain structure.
• Advanced cold-working production lines, including drawing, straightening, and chamfering equipment, meet high precision and high surface quality requirements.
• Custom cutting and chamfering services are available, supported by CNC machining centers and automatic lathes with optimized feed dimensions.
• Polishing and anodizing pretreatment services are offered for architectural or decorative applications.
• Digital die inventory and a quick-change system shorten lead times for both standard and non-standard sized products.
• Fully compliant with standards such as ASTM, AMS, and ISO, ensuring quality.
• Chemical composition and mechanical property verification are performed on each batch of products, along with dimensional inspection and surface quality checks.

From raw materials to finished bars, every step is rigorously controlled to ensure consistency, reliability, and traceability, meeting the stringent requirements of customers in the aerospace, automotive, and precision engineering industries. Contact us to discuss your technical requirements or obtain a quick quote for your specific needs.

Why Choose Us?

Quality Assurance – All products comply with ASTM, ISO, RoHS and other international standards, ensuring high purity, uniformstructure, and stable performance.

Professional Supplier – Professional 6061 T6 / T651 / T6511 aluminum alloy flat bar supplier in China. We have an advanced factory to ensure quality and efficiency.

Competitive Price – The mature supply chain system, advanced equipment and technology ensure that our products are highly competitive in cost and price.

Superior Quality – Quality supervision on whole process of production from raw materials, manufacturing, packaging, warehousing till container loading.

On-Time Delivery – The mature logistics management system and company self owned freight forwarder ensure that our OTD rate reaches 100%.

HSTF 6061 Aluminum Flat Bar Hot-Selling Size Table

Hot-Selling Sizes of 1/8″ (0.125″) 6061 T6 Aluminum Flat Bar

Product Details	Size	Length
1/8″ 6061 T6 Aluminum Flat Bar	0.125″ x 0.75″	12″, 18″, 24″, 36″, 48″, 72″, 96″, 144″
1/8″ 6061 T6 Aluminum Flat Bar	0.125″ x 1.0″	12″, 18″, 24″, 36″, 48″, 72″, 96″, 144″
1/8″ 6061 T6 Aluminum Flat Bar	0.125″ x 1.25″	12″, 18″, 24″, 36″, 48″, 72″, 96″, 144″
1/8″ 6061 T6 Aluminum Flat Bar	0.125″ x 1.5″	12″, 18″, 24″, 36″, 48″, 72″, 96″, 144″
1/8″ 6061 T6 Aluminum Flat Bar	0.125″ x 1.75″	12″, 18″, 24″, 36″, 48″, 72″, 96″, 144″
1/8″ 6061 T6 Aluminum Flat Bar	0.125″ x 2.0″	12″, 18″, 24″, 36″, 48″, 72″, 96″, 144″
1/8″ 6061 T6 Aluminum Flat Bar	0.125″ x 2.5″	12″, 18″, 24″, 36″, 48″, 72″, 96″, 144″
1/8″ 6061 T6 Aluminum Flat Bar	0.125″ x 3.0″	12″, 18″, 24″, 36″, 48″, 72″, 96″, 144″
1/8″ 6061 T6 Aluminum Flat Bar	0.125″ x 4.0″	12″, 18″, 24″, 36″, 48″, 72″, 96″, 144″
1/8″ 6061 T6 Aluminum Flat Bar	0.125″ x 5.0″	12″, 18″, 24″, 36″, 48″, 72″, 96″, 144″
1/8″ 6061 T6 Aluminum Flat Bar	0.125″ x 6.0″	12″, 18″, 24″, 36″, 48″, 72″, 96″, 144″

 

Hot-Selling Sizes of 1/4″ (0.250″) 6061 T6 Aluminum Flat Bar

 

Hot-Selling Sizes of 3/8″ (0.375″) 6061 T6 Aluminum Flat Bar

 

Hot-Selling Sizes of 1/2″ (0.500″) 6061 T6 Aluminum Flat Bar

 

Hot-Selling Sizes of 5/8″ (0.625″) 6061 T6 Aluminum Flat Bar

 

Hot-Selling Sizes of 3/4″ (0.750″) 6061 T6 Aluminium Flat Bar

 

Hot-Selling Sizes of 1″6061 T6 Aluminium Flat Bar