Aluminium Alloys

Aluminium 7020 is a high-strength, heat-treatable alloy belonging to the Al-Zn-Mg (7000) series. Unlike many other 7000-series alloys that contain copper, 7020 is copper-free, which gives it exceptional weldability and stress corrosion cracking resistance. This makes it a preferred material for structural applications in military, transportation, and general engineering where welding is required. Chemical Composition … Read more

Aluminum 7005 belonging to the 7000 series of alloys, Aluminium 7005 is an age-hardenable material primarily alloyed with zinc and magnesium. It is renowned for offering a compelling balance of high strength, excellent corrosion resistance, and superior weldability, making it a highly sought-after material for structural and engineering applications where welding is a key requirement. … Read more

Aluminium 7050 – also known as Aluminum 7050 – is a heat‑treatable aluminium‑zinc‑magnesium‑copper alloy that represents the third generation of high‑strength 7000 series alloys. Developed specifically for aerospace applications requiring thick sections, 7050 aluminum offers an exceptional combination of high strength, superior fracture toughness, and outstanding resistance to stress‑corrosion cracking. It is the material of … Read more

Aluminium 6082 – also known as Aluminum 6082 – is a heat‑treatable aluminium‑magnesium‑silicon alloy that delivers the highest strength of any 6000 series alloy. With a distinctive addition of manganese (0.4–1.0%), 6082 offers excellent corrosion resistance, good weldability, and superior machinability. It has largely replaced 6061 in many European structural applications and is the material … Read more

Aluminium 6005 and 6005A – also known as Aluminum 6005 and 6005A – are heat‑treatable aluminium‑magnesium‑silicon alloys that form a unique pair in the 6xxx series. While often mentioned together, they are distinct alloys: 6005 contains higher silicon levels for superior extrudability and surface finish, while 6005A adds manganese and chromium to improve toughness and … Read more

Aluminium 5086 – also known as Aluminum 5086 – is a non‑heat treatable aluminium‑magnesium alloy that occupies the sweet spot of the 5000 series. With a magnesium content of 3.5–4.5%, 5086 aluminium offers an exceptional balance of seawater corrosion resistance, weldability, and moderate‑to‑high strength. It is the material of choice for boat and yacht hulls, … Read more

Aluminium 5083 – also known as Aluminum 5083 – is a non‑heat treatable aluminium‑magnesium alloy with the highest strength among the non‑heat treatable alloys. Containing 4.0–4.9% magnesium, 5083 aluminium offers exceptional corrosion resistance, outstanding weldability, and superior performance at cryogenic temperatures. It is the material of choice for heavy‑duty marine structures, shipbuilding, pressure vessels, and … Read more

Aluminium 7068 – also known as Aluminum 7068 – is a heat-treatable aluminium-zinc-magnesium-copper alloy that holds the crown as the strongest commercially available aluminum alloy. Developed by Kaiser Aluminum as a higher-strength replacement for 7075 in ordnance applications, 7068 aluminum offers ultimate tensile strength exceeding 700 MPa (over 100 ksi) – putting it in the … Read more

Aluminium 7475 – also known as Aluminum 7475 – is a heat-treatable aluminium-zinc-magnesium-copper alloy that represents the second generation of the 7000 series. Developed by Alcoa and registered in 1969 as a controlled‑toughness alloy, 7475 aluminum offers a fracture toughness approximately 40% greater than the industry‑standard 7075 while maintaining comparable high strength. It is the … Read more

Aluminium 5754 – also known as Aluminum 5754 – is a non-heat treatable aluminium-magnesium alloy that strikes the perfect balance between strength, formability, and corrosion resistance. With a magnesium content of 2.6–3.6%, 5754 aluminum offers medium-to-high strength, excellent weldability, and outstanding performance in marine and automotive applications. It is the go-to alloy for vehicle body … Read more

Aluminium 5454 – also known as Aluminum 5454 – is a non-heat treatable aluminium-magnesium alloy that serves as the elevated-temperature specialist of the 5000 series. With outstanding resistance to seawater corrosion, medium-to-high strength that persists at elevated temperatures (65–170°C), and good weldability, 5454 aluminum is the preferred choice for pressure vessels, chemical storage tanks, marine … Read more

Aluminium 5052 – also known as Aluminum 5052 – is a non-heat treatable aluminium-magnesium alloy that stands as the industry benchmark for marine environments. With outstanding corrosion resistance (especially to saltwater), high fatigue strength, and excellent formability, 5052 aluminum is the go-to alloy for boat hulls, fuel tanks, sheet metal work, and applications where durability … Read more

Aluminium 5005 – also known as Aluminum 5005 – is a non-heat treatable aluminium-magnesium alloy that has earned its reputation as the architect’s alloy. With excellent corrosion resistance, superior anodizing capabilities, and moderate strength, 5005 aluminium is the preferred choice for architectural applications, signage, and decorative finishes where aesthetics matter as much as durability. What … Read more

The Welder’s Choice: Silicon-Enhanced Filler for Crack-Free Joints In the world of aluminum fabrication, base materials like 6061 or 3003 often capture the spotlight. But hidden in the joints that hold structures together lies an unsung hero: Aluminium 4043. As the most widely used aluminum filler alloy alongside 5356, 4043 accounts for a significant portion … Read more

The Dependable Alloy for Residential Building and General Fabrication In the extensive family of aluminum alloys, where some are designed for aerospace performance and others for marine endurance, Aluminium 3105 carves out a practical and essential role. This versatile member of the 3xxx series (aluminum-manganese alloys) is specifically formulated for applications requiring excellent corrosion resistance, … Read more

Defining Versatility in Structural Aluminum If one aluminium alloy could be crowned the universal standard for fabricated structural components and machined parts, Aluminium 6061 would be the undisputed champion. As the most commonly specified heat-treatable aluminum alloy globally, 6061 represents the perfect intersection of good strength, excellent corrosion resistance, superior weldability, and unmatched versatility. When … Read more

Bridging the Gap Between Formability and Strength In the graded spectrum of the 3xxx series alloys, Aluminium 3005 occupies a crucial middle ground. Engineered to offer a measured step up in strength from the ubiquitous 3003 alloy, it maintains exceptional formability and corrosion resistance. This alloy is the specialist’s choice for applications that demand more … Read more