Basic Info.
Product Description
Square tubes is a form of tube type, people have a different name on it, called the rectangular tubes, rectangular tubes, square tubes, welded square tube, because it has a lot of kinds of material of material can make the tube body, usually square tube is formed after unpacking, kaiping, bending strip welding pipe, again by the mechanism of rolling into a square tube.
Galvanized square steel pipe, rectangular steel pipe, steel hollow section, divided according to the shape of the section, is a name for square pipe and rectangular pipe. It is made of strip steel that has been processed and rolled. Generally, the strip is unpacked, flattened, coiled, welded to form a round tube, and then rolled into a square tube from the round tube and then cut to the required length. Square rectangular tube is also called cold-formed hollow section steel, referred to as square tube and rectangular tube.
Product Name | Galvanized Round/Square/Rectangular Steel Pipe |
| OD | 15-800mm,customized |
| Wall Thickness | 0.6mm-15mm,customized |
| Pipe Length | 6-12m, or customized |
Material | 10#, 20#, 45#, 16Mn, A53(A,B), Q235, Q345, Q195, Q215, St37, St42, St37-2, St35.4, St52.4, ST35,ect |
Zinc Coating | Z35-Z275g/m2 |
Standard | ASTM A53,BS 1387,BS 1139,BS EN10025, BS 4568,GB/T3091-2001,GB/T13793-92, GB/T6728- 2002,API 5L,JIS G3444 |
Pipe End | Plain end,beveled,protected by plastic caps on both ends, cut quare,grooved,threaded and coupling,etc. |
Surface Treatment | 1) Bared 2) Black Painted (varnish coating) 3) Galvanized 4) With Oiled 5) 3 PE, FBE, corrosion resistant coating 6) Anti-rust oil or customized |
Form | Round, Square, Rectangle, Oval, Coil, Flexible Pipe, Shaft,'U' Shape, etc |
| Inspection | With Hydraulic Testing, Eddy Current , Infrared Test |
| Application | Fence, greenhouse, door pipe,greenhouse,Low pressure liquid, water, gas, oil, line pipe,For both indoor and outdoor the building construction,Widely used in scaffolding construction which is much cheaper and convenient. |
Packaging | 1. Bundled with narrow steel strips; 3.According to customers' requirement. |
| Port | Shanghai, Qingdao, Tianjin |
| Payment | L/C, T/T, D/P, According to customers' requirement. |
| Our Advantage | 1.Reasonable price with excellent quality. 2.Abundant stock and prompt delivery. 3.Rich supply and export experience, sincere service. |
Square and Rectangular Steel Pipe Surface:
| Square and Rectangular Steel Pipe size chart | ||
| Square Hollow Section | Rectangular Hollow Section | Thickness |
| 20*20 25*25 30*30 | 20*40 30*40 | 1.2-3.0 |
| 40*40 50*50 | 30*50 25*50 30*60 40*60 | 1.2-4.75 |
| 60*60 | 50*70 40*80 | 1.2-5.75 |
| 70*70 80*80 75*75 90*90 100*100 | 60*80 50*80 100*40 120*80 | 1.5-5.75 |
| 120*120 140*140 150*150 | 160*80 100*150 140*80 100*180 200*100 | 2.5-10.0 |
| 160*160 180*180 200*200 | 200*150 250*150 | 3.5-12.0 |
| 250*250 300*300 400*200 350*350 350*300 | 250*200 300*200 350*200 350*250 450*250 400*300 500*200 | 4.5-15.75 |
| 400*400 280*280 450*300 450*200 | 400*350 400*250 500*250 500*300 400*600 | 5.0-20.0 |
2. Is there any sea ports and airport nearby?
As you may know that our company is in Shanghai, which is near Shanghai Port and nearby Ningbo Port. The cargo can be quickly transport to both sea ports on board in two or three hours, then shipped worldwide. Also, Shanghai had two airports, Shanghai Hongqiao International Airport and Shanghai Pudong International Airport) with many international air lines offered by airline companies.
3. Is your company a trading company or manufacturer?
Definitely, Shanghai Century DongRui Steel Co., Ltd, is a professional material manufacturer in China. Shanghai Century DongRui Steel Co., Ltd had done domestic and international business for decades. Our factories and workshop and warehouse is in Wuxi, Jiangsu Province, China. If fine, we would like to invite all clients to visit our company and factories.
4. Which type of business inquiry will be quick respond?
Shanghai Century DongRui Steel Co., Ltd had recruited well-educated and experiences staffs to provide the professional quotation and business plan promptly. Sometimes, we would like to double confirm with clients to make sure that the raw materials products client asked is in line with those we can offer.
5. Does your company apply customized products?
Yes, Shanghai Century DongRui Steel Co., Ltd had R&D Department, which can design and execute the business requests from the clients, customized products can be acceptable. Also, Shanghai Century DongRui Steel Co., Ltd can develop new products according to customer's practical application, and supply products aimed to different cost and performance requirement.
6. How many days your company would like to ready for shipment?
En, that depend on whether any stocks at warehouse or need to produce or process at the factory and workshop according to the plan and order. For more details, you can inquiry with the contact point of Shanghai Century DongRui Steel Co., Ltd.
7. What type of the package that the cargo would like?
Shanghai Century DongRui Steel Co., Ltd promise that all the cargo will be well packed and worth for sea or air or rail shipment.