Situated in the heart of Hamilton, Kiri Aluminium is a trusted local partner for all things aluminium, bringing both expertise and a genuine commitment to quality. We’re proud to manufacture and supply durable Aluminium 3003 Square Bars, known for their excellent workability and resistance to the elements. For our local Hamilton businesses and those across the country, we provide a reliable source for this essential material, ensuring you get a product you can count on, backed by a team that cares about your project’s success.
Aluminium 3003 is a classic manganese alloy that strikes a wonderful balance between strength and formability. Its composition gives it a higher tensile strength than the 1000 series alloys while remaining remarkably easy to shape, bend, and weld. This makes it a dream to work with for fabricators. It also maintains excellent resistance to corrosion, which is a real advantage for anything that needs to hold up against the weather, making it a practical and long-lasting choice for a huge variety of jobs.
Specification : ASTM B 221 ASME SB 221, B211, B565, B316 1100, AMS 4102
Standard : ASTM, BS and all International Standards
Temper : O, H12, H14, H16, H18, H22, H24, H26, H32, H112
Length : 100 mm To 3000 mm Long & Above
Size : 5 mm To 500 mm
| Aluminium 3003 | Fe | Si | Mg | Mn | Cu | Zn | Ti | Al |
| 0.30 – 0.70 | 0.20 – 0.40 | 0.01 – 0.05 | 1.0 – 1.5 | 0.05 – 0.20 | 0.01 – 0.10 | 0.020 – 0.030 | 98.6 |
| Mechanical Properties – AA 3003 | ||||||
| Alloy | Temper | UTS(Mpa) | % Elongation | |||
| Min | Max | 0.5 mm -0.8 mm | 0.81 mm – 1.30 mm | 1.30 mm – above | ||
| 3003 | O | 95 | 135 | 20 | 23 | 24 |
| H12 | 115 | 160 | 6 | 7 | 8 | |
| H14 | 140 | 180 | 4 | 4 | 5 | |
| H16 | 165 | 205 | 3 | 3 | 4 | |
| H18 | 180 | — | 2 | 2 | 3 | |
Density : 2.73 g/cm3
Melting point : 644°C (1190°F)
Tensile Strength : 130 MPa – 18855 psi
| STANDARD | UNS | WERKSTOFF NR. | European Standard | BS (OLD) | ISO | USA (AA) | GERMANY (DIN) |
| Aluminium 3003 | A93003 | 3.0517 | AW-AlCu4Mg1 | AU4G1 | AlCu4Mg | 3003 | AlCuMg2 |
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 Aluminum 3003 Square 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
You’ll find these square bars being put to great use in architectural projects like decorative trims, frames, and railings, where their clean lines and corrosion resistance are perfect. They are also a staple in general fabrication for items like ladder frames, walkways, and support structures. In the automotive and marine industries, they’re commonly used for non-structural parts and trim that benefit from their lightweight nature and durability. Their versatility really shines, making them a go-to material for both practical industrial applications and more creative, design-focused work.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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