Aluminium seamless pipes are expertly crafted tubular products that are perfect for applications where high strength, a consistent structure, and dependable performance are essential. Since they’re made without welded joints, these pipes boast impressive pressure resistance, smooth internal surfaces, and outstanding dimensional accuracy. They’re lightweight yet incredibly durable, making them easy to handle and install, all while minimizing the overall structural load. With a variety of aluminium grades, diameters, wall thicknesses, and lengths available, they’re ideal for demanding industrial, mechanical, and structural applications where quality and consistency are key.
These pipes are made from top-notch aluminium alloys, with aluminium as the main component and carefully controlled additions of elements like magnesium, silicon, or copper, depending on the specific grade. This thoughtful composition strikes a perfect balance between strength, corrosion resistance, and workability. On a mechanical level, aluminium seamless pipes offer good tensile strength, excellent ductility, and high fatigue resistance. They hold up well under pressure, temperature changes, and mechanical stress, ensuring they maintain their integrity and dimensional stability over extended service periods.
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 | ||||||||
You’ll find aluminium seamless pipes in a wide range of industries, including aerospace, automotive, marine, and chemical sectors. They’re commonly used in heat exchangers, hydraulic and pneumatic systems, pressure vessels, fuel lines, and structural frameworks. Additionally, they play a vital role in power plants, refineries, HVAC systems, and food processing equipment. Their resistance to corrosion makes them a great fit for marine and chemical environments, while their lightweight nature and smooth internal finish promote efficient fluid flow, reduced maintenance, and long-lasting operational reliability.
Yes, we offer custom sizes for Aluminium Seamless Pipes to meet specific project needs. Our team at Himansh Aluminium is committed to providing customized solutions for all your requirements. For more details, contact us at sales@himanshaluminium.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 |
Aluminum seamless pipe is great for use in various industries due to its strength, light weight and corrosion resistant properties. In the construction industry, it is used in construction services, plumbing, HVSC. The automotive industry uses these pipes for fuel lines, air filters and cooling systems, benefiting from their low weight and durability. In the aerospace industry, aluminum seamless pipe is used for fuel systems, pipelines and building materials. In addition, it is used in chemical processing, marine applications, and heat exchangers, providing corrosion resistance and excellent performance in harsh environments Its versatility provides it is important for many industrial applications.
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