Quyen Aluminium is a reliable manufacturer and exporter of aluminium seamless pipes in Da Nang, Vietnam, supplying high-precision products for severe applications to numerous industries. Renowned for higher quality and longevity, Quyen Aluminium manufactures seamless pipes by adopting sophisticated extrusion and drawing techniques that help achieve uniformity, toughness, and leak-tight performance. The pipes are manufactured in a vast array of sizes, wall thicknesses, and alloy grades based on international standards. Due to their high corrosion resistance and accuracy in dimensions, Quyen Aluminium seamless pipes are best suited for harsh environments in aerospace, automotive, marine, and hydraulic systems.
Seamless pipes of aluminium are usually produced from high-strength alloys 6061, 6082, 7075, and 5083 with superior mechanical and corrosion-resistant properties. The process of seamless production removes the welded joints, which leads to enhanced structural strength and pressure-handling ability. These pipes have high tensile strength, good fatigue life, and superior surface finish. Their uniform thickness and smooth inner surface allow free fluid flow and minimize the risk of leakage or failure under stress. Seamless pipes of aluminium are also light in weight and easy to machine or fabricate and thus find use for precision engineering and high-performance applications.
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 | ||||||||
Quyen Aluminium based in Da Nang, Vietnam 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 Quyen Aluminium is committed to providing customized solutions for all your requirements. For more details, contact us at sales@quyenaluminium.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 |
Seamless pipes of aluminium find extensive application in high-strength, precise, and pressure-reliable industries. They find applications in hydraulic systems, fuel lines, and structural parts in aerospace and aviation due to their strength-to-weight ratio. They are applied in brake systems, fuel distribution, and exhaust assemblies in the automotive industry. Marine and offshore use seamless pipes for fluid conveyance and structural components for harsh environments. They are employed in heat exchangers, instrumentation tubing, and high-pressure gas lines. Their mechanical performance, leak-proof design, and corrosion resistance make them crucial in high-specification engineering applications
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Da Nang, Vietnam
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