Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of aluminium rectangular tube sizes in mm in China. With abundant experience, we warmly welcome you to wholesale high quality aluminium rectangular tube sizes in mm in stock here from our factory. Good service and reasonable price are available.
The rectangular aluminium tubes in millimetres have distinctive square corners on the inside. This design not only enhances its structural strength, but also makes installation and connection easier and more convenient. The exterior of the aluminium square tube is smooth and unmarked, with no welding points.
Industry-leading production technology for aluminium square tubes
| Material | Alloy 6005,6061,6063 or according to customer's request |
| Temper | T3-T8 |
| Surface treatment | Anodized, Powder coating,Electrophoresis, etc |
| Normal anodizing thickness | 8-12 micro |
| Normal powder coating thickness | ≥40micro |
| Tensile strength | ≥160Mpa |
| Yield strength | ≥110Mpa |
| Color | Bronze,Sliver,Champagne,Black,Sand,Gold,etc |
| Length | 259mm |
The production of aluminium tubes mainly consists of two methods: extrusion and welding. Extrusion is the process of extruding a heated aluminium billet through a die to produce a tube of the required shape; welding is the process of making tubes from aluminium sheets through a welding process. Strict quality control is essential during the production process, including the selection of raw materials, optimisation of processing techniques and testing of finished products to ensure that the quality and performance of aluminium tubes meet the standard requirements.
Supply of aluminium tubes with superior performance
FAQ
Q: Do GNEE's foil products meet international environmental standards?
A: Yes, GNEE adheres to international environmental standards, employing eco-friendly production processes.
Q: What is GNEE's experience in exporting to international markets?
A: GNEE has extensive 15 years export experience and strong relationships with international customers.
Q: What is your payment terms ?
A: Commonly two payment term for new customers:
1) 30% T/T as deposit , 70% balance against B/L copy;
2) 100% Irrevocable L/C at sight;If you need any other terms, pls feel free to contact us too, we will try our best.
Q: How long is your delivery time?
A: Our daily inventory is more than 8000 tons, so for common product size, just need 5 days from stocks; if the special size from new production, delivery 7 days.
Q: How about the samples ? is it free or extra fees?
A: Yes, we would like to supply the samples before order; if the samples from stock, it will be free; if the samples from new production, we will charge some reasonable cost, but this amount will be deducted from your first order invoice.
Professionally Accredited Factory Supply Aluminium Rectangular Tube
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