Based in the industrial heart of Hamilton, New Zealand, Kiri Aluminium stands as a trusted, local source for high-strength materials. We take pride in supplying precisely crafted Aluminium 7050 flat bars, a top-tier alloy chosen for the most demanding applications. Our commitment is to provide local engineers and manufacturers with reliable, high-performance materials backed by knowledgeable, personal service. By focusing on quality and supporting our domestic industries, we help bring robust and innovative Kiwi projects to life, right from our own backyard.
Aluminium 7050 earns its reputation through a carefully balanced composition, primarily zinc and magnesium, which is heat-treated to achieve exceptional strength. This alloy is specifically known for its impressive resistance to stress corrosion cracking, a common challenge in high-stress environments. It maintains good toughness and offers excellent fatigue performance, making it significantly stronger than many other aluminium series. While its weldability can be challenging, its superb machinability allows it to be precisely shaped into critical, high-load components.
Standards : ASTM B221, B211, B565, B316, AMS 4121 7050
Temper : T3,T4,T5, T6, T651 T6511
Standard : ASTM, ASME, AMS, GB/T, JIS
Length : 100 mm To 3000 mm Long & Above, Random, Fix & Cut Length or as per clients’ requirement
Size : 5 mm To 500 mm
Finish : Bright, Polish & Black
Type : Hot-Rolled (HR) / Cold-Rolled (CR) Sheet
| Alloy | Zn | Cu | Mg | Zr | Fe | Si | Mn | Ti | Cr | Others (total) | ||||||||||
| Aluminium 7050 | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5.7 | 6.7 | 2.0 | 2.6 | 1.9 | 2.6 | 0.08 | 0.15 | – | 0.15 | – | 0.12 | – | 0.10 | – | 0.06 | – | 0.04 | – | 0.15 | |
| Material | Tensile Strength (ksi) | Yield Strength (ksi) | Elongation in 2″ % |
| Aluminium Alloy 7050 Angle (AMS 4340) | 79 | 69 | 7 |
| Aluminium Alloy 7050 Angle (AMS 4340) | 70 | 60 | 8 |
| Aluminium Alloy 7050 Angle (AMS 4342) | 73 | 63 | 7 |
| European Standard | GERMANY | UNS | WERKSTOFF NR. |
| EN3982 | – | A97050 | 3.4144 |
Kiri Aluminium based in Hamilton, New Zealand is a renowned manufacturer and supplier of premium aluminium products, including Aluminium Bars, Sheets and Plates, Coils, Chequered Plates, Wires, Pipes, Fittings, Flanges, Forging, Circle, Angles. With a commitment to delivering exceptional quality and service, we cater to diverse industries, offering reliable solutions tailored to specific requirements. Our products are known for their superior strength, corrosion resistance, and precise dimensions. We focus on customer satisfaction by providing an extensive range of aluminium bars designed for structural, industrial, and decorative applications.
Yes, we offer custom sizes for Aluminium 7050 Flat Bars to meet specific project needs. Our team at Kiri Aluminium is committed to providing customized solutions for all your requirements. For more details, contact us at sales@kirialuminium.com
The exceptional properties of 7050 flat bars make them the material of choice for structurally critical parts, especially in the aerospace industry where they are used for aircraft fuselage frames and wing components. Beyond aviation, this alloy is essential in high-performance motorsport for constructing robust chassis and suspension parts. It’s also widely used in the defence sector for military vehicle components and in specialised tooling and moulds for the plastics industry. Essentially, any application where maximising strength-to-weight ratio and durability under extreme stress is paramount will benefit from this high-performance aluminium.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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