Main products: seamless steel pipe, round steel, welded pipes, spiral pipes, galvanized pipe, alloy pipes, stainless steel, threaded steel, angle grooves, aluminum plates, U-shaped steel and other dozens of products, hundreds of steel grade materials.
Contact Us
Delong Steel is group company in the steel manufacture & Trading, founded in the 2000s, 800+ staff, 25, 000+ m2 non-dust workshop, 40+ great large mills and cooperation partners in China, 4000, 000+ MT production per year under ISO management, 40, 000+customers in domestic and overseas market, 10 billion USD of annual turnover, 15+ subsidiary companies all over China, ranking the Top 100 private enterprises in China, 1 hour reach Shanghai/Tianjin /Guangzhou Port, we keep high quality, competitive price, thousands tons of stock, most efficient delivery and reliable cooperation for global valued customers. We have been engaging industry steel for over 20 years, best service and the most competitive price is one of our greatest advantages that make us today!
We operate within the scope of ISO 9001: 2015 accredited management system and the raw materials are procured from suppliers in compliance with ASTM, BS EN and DIN standards.Our products are rigorously inspected to ensure they are within tolerance of our customer′s specifications, we work with accredited laboratories for specialised material testing and chemical analysis.In addition, we use X-ray fluorescence technology to meet our high inspection standards and to ensure that our customers get the best quality products.
Aluminum square or round tube specification | |
Length | 100-6000m or as customer requirements |
Outer Diameter | 8-300mm ( according to your requirement ) |
Wall Thickness | 0.3-150mm ( according to your requirement ) |
Technique | Extruded or seamless |
Surface treatment | Anodized,Mill finished ,glaze,polished ,brushing,power coating |
Temper | O T H112 |
Payment Method | T/T: 30%T/T deposit, and balance 70% when customer gets B/L |
L/C: irrevocable L/C at sight | |
Loading Port | Shanghai or other major port |
Other aluminum tubes’ product | 2A12 2024 LY12 , 5052 5083 5754, |
6061, 6063, 6082, 7050.7075 | |
Application | Aircraft and aerospace components, marine fittings, transport, bicycle frames, camera lenses, drive shafts electrical fittings and connectors, brake components, valves, couplings. |
Export | India,Pakistan,Canada,the USA,Russia, Malaysia,Singapore, |
Brazil,Thailand | |
Supply ability | 500 tons per week |
si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | AL Rest | |
7075 | GB/T 3190-1996 | 0.4 | 0.5 | 1.2-2.0 | 0.3 | 2.1-2.9 | 0.18-0.28 | 5.1-6.1 | 0.2 |
Product Surface: