High-Quality Aluminum Seamless Tube Supplier | 6061, 7075, 5083 | For High Pressure & Harsh Environments
Outer diameter: 3mm-250mm or as customer requirements
Length: As customer requirements
Thickness: 0.5-150mm
Surface：Anodized, Oxidation, electrophoresis coating, fluorine carbon spraying,powder coating, wood grain transfer printing, mechanical drawing, mechanical polishing, sand blasting.
Standard：ASTM，AISI，JIS,GB， DIN,EN
Products can be customized
Email: [email protected]
WhatsApp/WeChat/Mobile：+86-18753135285
Aluminum Seamless Tube performance parameters
| Product Name | Aluminum Seamless Tube |
|---|---|
| Material | 1000 Series:1050,1060,1080,1100,1435,etc. |
| 2000 Series:2011,2014,2017,2024,2A12,2A16,2A06,etc. | |
| 3000 Series:3002,3003,3004,3104,3204,3030,3A21,etc. | |
| 5000 Series:5005,5025,5040,5052,5056,5083,5A05,etc. | |
| 6000 Series:6003,6060,6082,6083,6063,6061,etc. | |
| 7000 Series:7003,7005,7050,7075,etc. | |
| Etc | |
| Al (Min) | 95.5% |
| Model | Outer diameter: 3mm-250mm or as customer requirements |
| Length: As customer requirements | |
| Thickness: 0.5-150mm | |
| Standard | ASTM, AISI, JIS, DIN, GB, EN |
| Place of Origin | Shandong, China |
| Delivery time | 7-15 days |
| Surface finishing | Anodized, Oxidation, electrophoresis coating, fluorine carbon spraying, powder coating, wood grain transfer printing, mechanical drawing, mechanical polishing, sand blasting. |
| Certificate | ISO 9001, ISO14001, ISO45001, ISO50001, CE, LR, ICC, SGS. BV etc. |
| Supply capacity | 20,000 tons/year |
| MOQ | 1 ton |
| Trade Terms | FOB, CIF, CFR, EXW, FCA, FAS, etc. |
| Payment | TT, LC, We can negotiate |
| Tests | squash test, extension test, hydrostatic test, crystal decay test, heat resistance |
| Application | Construction filed, Ships building industry, Decoration, Industry, Manufacture, Machinery and hardware fields, etc. |
| Advantages | 1, Quick Respond |
| 2, Reasonable Price | |
| 3, Abundant stock and prompt delivery | |
| 4, Flexible payment terms | |
| 5, Rich experiences in manufacturing and exporting | |
| 6, Excellent Quality |
Advantages of Our Aluminum Seamless Tube
Elimination of Weld Seams for Ultimate Safety
Unlike ordinary extruded tubes, our aluminum seamless tubes are produced through a piercing extrusion process, leaving no weld seams throughout the body. This monolithic structure completely eliminates the risk of leakage or splitting caused by inconsistent weld quality. It provides unparalleled structural integrity and safety assurance when handling flammable, explosive, or high-value fluids.
Superior High-Pressure and Impact Resistance
Due to its highly uniform internal structure, our seamless aluminum tubes can withstand working pressures far exceeding those of seamed tubes. Their excellent compressive strength makes them the ideal choice for hydraulic systems, high-pressure gas cylinders, and aerospace conduits. When facing intense pressure fluctuations or external impacts, seamless tubes exhibit greater toughness and reliability, ensuring long-term system stability.
Uniform Microstructure and Precision Machinability
Our seamless process ensures complete consistency in the circumferential microstructure of the tubing. During flaring, swaging, bending, or complex machining, the material exhibits no abrupt performance changes in specific directions. This high degree of uniformity not only improves processing yields but also ensures consistent surface color after anodizing, meeting the stringent requirements of high-end industrial design.
Packaging style of Aluminum Seamless Tube
FAQs
How can I confirm from appearance or testing that this is a true seamless tube, not a structural tube with a weld seam?
A true seamless tube will not show any radial weld lines on its cross-section after an etching test. Furthermore, the circumferential microstructure is completely uniform. We provide process certifications with every shipment, explicitly stating the use of piercing extrusion to ensure compliance with your requirements for critical safety components.
What is the maximum pressure capacity of seamless aluminum tubes in hydraulic or pneumatic systems?
Seamless tubes have a much higher pressure capacity than seamed tubes because they eliminate the weld seam, which is the weakest link. You can calculate it based on wall thickness, OD, and the yield strength of the alloy (e.g., 6061-T6) using ASME codes. Before shipment, we can perform 100% hydrostatic testing upon request to ensure zero leakage under high pressure.
During wide-angle flaring or tight-radius bending, will seamless tubes split along a seam like welded tubes?
No. Since seamless tubes have no longitudinal weld seams, their elongation is consistent in all directions. This means during flaring, cold bending, or swaging, the material reacts uniformly to stress, significantly reducing the risk of splitting. They are ideal for complex-shaped AC lines, fuel conduits, and heat exchangers.
Is 7075 seamless tubing much stronger than 6061? What should I consider when choosing?
7075 is a super-hard aluminum with tensile strength more than double that of 6061, suitable for ultra-high-load aerospace parts. However, 7075 has poorer weldability and a higher price. If your application involves significant welding, 6061 seamless tube is the more balanced choice; if you seek ultimate weight reduction and strength with mechanical fasteners, choose 7075.
Which international standards do your seamless tubes comply with? Do you support third-party inspection?
Our production strictly follows standards such as ASTM B210, ASTM B241, and AMS 4082. We fully support third-party agencies like SGS or TÜV for on-site sampling and pressure testing to ensure every tube delivered meets the stringent technical specifications of the aerospace, medical, or military sectors.
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