Based in the heart of Hamilton, Kiri Aluminium is a trusted local manufacturer and supplier dedicated to precision and quality. We take pride in producing robust aluminium seamless pipes, engineered to meet the demanding needs of New Zealand’s diverse industries. Our commitment extends beyond just supplying materials; we focus on building lasting partnerships by providing reliable, high-performance solutions and expert support, ensuring your projects are built on a foundation of excellence and local expertise.
Crafted from high-grade aluminium alloys, these seamless pipes offer an exceptional strength-to-weight ratio, making them both remarkably lightweight and incredibly durable. They naturally resist corrosion, which significantly extends their service life even in challenging environments. The seamless construction ensures superior structural integrity, allowing them to withstand high pressures without the weak points that can occur in welded alternatives, providing a consistently reliable performance.
Standards : ASTM B345, B241, B429 / ASME SB345, SB241, SB429
Standard : AMS QQ-A-200/8, AMS QQ-A-200/9, AMS 4160/4161/4172
Size : 8 (1-1/2″ / 1.900″)
Outer Diameter : 1″ through 16″
Length : Double Random, Single Random, Cut Length
Thickness : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
End : Plain End, Beveled End, Threaded
ASTM B241 / ASME SB241 – Standard Specification for Aluminum and Aluminum-Alloy Seamless Pipe and Seamless Extruded Pipes
ASTM B345 / ASME S345 – Standard Specification for Aluminum and Aluminum-Alloy Seamless Pipe and Seamless Extruded Pipe for Gas and Oil Transmission and Distribution Piping Systems
ASTM B429 / ASME SB429 – Standard Specification for Aluminum-Alloy Extruded Structural Pipe and Tube
EN AW-AlMg1SiCu – Standard Specification for Aluminum and Aluminum-Alloy Round Pipe
ISO AlMg1SiCu – Standard Specification for Aluminum and Aluminum-Alloy Cold / Hot Rolled Piping
| Alloy | Fe | Si | Mg | Mn | Cu | Zn | Ti | Cr | Others | AI |
| 1100 (min) | 0.35 | 0.25 | 0.01 | 0.01 | 0.05 | 0.01 | 0.020 | Trace | 0.05 (each) | 99.60% |
| 1100 (max) | 0.50 | 0.35 | 0.03 | 0.05 | 0.20 | 0.05 | 0.030 | Trace | 0.15 (total) | remainder |
| 5083 | 0.40 max | 0.40 max | 4.0 / 4.90 | 0.40 / 1.0 | 0.10 max | 0.25 max | 0.15 max | 0.05 / 0.25 | 0.05 max | Bal |
| 6061 | 0.7 | 0.4-0.8 | 0.8-1.2 | 0.15 | 0.15-0.4 | 0.25 | 0.15 | 0.15-0.35 | 0.005/0.15 | Remainder |
| 6068 | 0.50 max | 0.7 – 1.3 | 0.06-1.20 | 0.40-1.00 | 0.10 max | 0.20 max | 0.10 max | 0.25 max | 0.05 max | Bal |
| 7075 min | 2.10 | 1.20 | 5.10 | 0.18 | ||||||
| 7075 max | 0.50 | 0.40 | 2.90 | 0.30 | 2.00 | 6.10 | 0.20 | 0.28 | 0.05 |
| Alloy | Temper | UTS(Mpa) | % Elongation | Tensile Strength | Hardness Brinell | Proof Stress | Yield Strength (PSI) | Shear Strength (PSI) | Brinell Hardness | |||
| Min | Max | 0.5 mm -0.8 mm | 0.81 mm – 1.30 mm | 1.30 mm – above | ||||||||
| 1100 | O | 75 | 110 | 20 | 25 | 29 | ||||||
| H12 | 95 | 130 | 5 | 6 | 7 | |||||||
| H14 | 110 | 145 | 3 | 4 | 5 | |||||||
| H16 | 130 | 165 | 2 | 3 | 4 | |||||||
| H18 | 150 | — | 2 | 2 | 3 | |||||||
| 5083 | 12 Min % | 275 – 350 MPa | 75 HB | 125 Min MPa | ||||||||
| 6061 | – | 45,000 | 12 | 40,000 | 31,000 | 95 | ||||||
| 6082 | 8 | 295 | 95 | – | 240 | – | – | |||||
| 7075 T6, T651 | 11 | 83-572 | 73- 503 | 150 | ||||||||
| 7075 T73, T7351 | 13 | 73-503 | 63-434 | NA | ||||||||
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 Seamless Pipes 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
| Grade | UNS | USA | Japan | France | ISO | WNR | EN | DIN | ISO | BS (OLD) |
| 1100 | A91100 | AA1100 | JIS A1100P | NF 1100 | Al 99.0 Cu. | – | – | – | – | – |
| 6082 | A96082 | AA6082 | – | – | – | 3.2315 | AW-6082 | AlMgSi1 | AlSi1MgMn | HE30 |
| 5083 | A95083 | 5083 | – | – | AlMg4,5Mn0,7 | 3.3547 | AW-AlMg4,5Mn0,7 | AlMg4,5Mn | – | – |
| 6061 | A96061 | AA6061 | – | – | – | 3.3211 | AW-AlMg1SiCu EN AW-6061 | AlMgSiCu | AlMg1SiCu | HE20 |
| 7075 | A97075 | 7075 | 3.4365 | ENAW-AlZn5.5MgCu EN AW-7075 | AlZnMgCu1.5 | AlZn6MgCu | 7075 L95 L96, V95 |
The versatility of aluminium seamless pipes makes them indispensable across many sectors. They are essential in the engineering and construction fields for robust structural frameworks, and in manufacturing, they are used for high-pressure hydraulic and pneumatic systems. Their corrosion resistance is vital for marine applications and in the chemical processing industry for transporting various fluids. You’ll also find them in critical roles within the aerospace and automotive industries, where their lightweight strength contributes directly to efficiency and performance.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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