A square tube is formed by a coil and then passed through a series of molds. They are shaped by internal welding. Square tubes are typically used for maintenance and structural purposes. Some examples of applications will be building structures, railings, and road signs. They are measured by external dimensions and wall thickness.
Product Display
1.Hollow cross-section with lighter weight and higher pressure.
2.High hardness, strength, wear resistance and anti-corrosion.
Professional Inspection
(1)After production, 4 QC personnel with more than 5 years of experience randomly inspect the products.
(2) National accredited laboratory with CNAS certificate
(3)Accept inspection from a third party designated/paid by the buyer, such as SGS, BV.
(4) We have UL, ISO9001/45001, FPC certificates.
Tianjin Yuantarun Steel Pipe Manufacturing Group can produce steel pipes in line with European standard certification EN10219 and EN10210, American standard ASTM A500/501, Australian standard certification AS1163, Singapore construction industry certification BC1, French Classification Society certification, German Classification society certification DNV, Global green LEED certification EPD and PhD, ISO9001 quality system certification, ISO14001 environmental protection system certification, ISO45001 Global Occupational Health system certification, so that customers more at ease.
Tianjin Yuantairun Steel Pipe Manufacturing Group, which is currently the largest square rectangular steel pipe factory in China. It has 59 black high-frequency welded steel pipe production lines, 10 hot-dip galvanized steel pipe production lines, 6 pre-galvanized steel pipe production lines, 3 spiral welded steel pipe production lines, 1 straight seam submerged arc welded steel pipe production line and 1 round square pipe production line with large diameter.
Tianjin Yuantairun Steel Pipe Manufacturing Group has its own research and development center, national independent laboratory, with more than 40 R&D personnel and testing engineers, to ensure that the quality of each steel pipe is 100% qualified. Tianjin Yuantarun Steel Pipe Manufacturing Group produces square steel pipe, rectangular steel pipe, round steel pipe to participate in more than 6000 internationally famous construction projects, received the customer's praise.
Tianjin Yuantai Derun Steel Pipe Manufacturing Group has its own digital logistics fleet to ensure faster delivery of products and greatly reduce the cost of steel pipe products.
A: We are factory.
A: Generally it is 5-10 days if the goods are in stock. or it is 30 days if the goods are not in stock, it is according to quantity.
A: Yes, we could offer the sample for free charge with the cost of freight paid by customer.
A: Payment<=1000USD, 100% in advance. Payment>=1000USD 30% T/T in advance ,balance before shippment.If you have another question, pls feel free to contact us as below
The company attaches great importance to the quality of products, invests heavily in the introduction of advanced equipment and professionals, and goes all out to meet the needs of customers at home and abroad.
The content can be roughly divided into: chemical composition, yield strength, tensile strength, impact property, etc
At the same time, the company can also carry out on-line flaw detection and annealing and other heat treatment processes according to customer needs.
https://www.ytdrintl.com/
E-mail :sales@ytdrgg.com
Tianjin YuantaiDerun Steel Tube Manufacturing Group Co., Ltd. is a steel pipe factory certified by EN/ASTM/ JIS specializing in the production and export of all kinds of square rectangular pipe, galvanized pipe, ERW welded pipe, spiral pipe, submerged arc welded pipe, straight seam pipe, seamless pipe, color coated steel coil, galvanized steel coil and other steel products.With convenient transportation, it is 190 kilometers away from Beijing Capital International Airport and 80 kilometers away from Tianjin Xingang.
Whatsapp:+8613682051821
