• Yes,We can ship the regular specifications to you with LCL service. Our minimum order quantity is 2-5 Tons. Yuantaiderun is a leading enterprise in ...

  • 1.carbon-steel-pipe Anti-rusted oil painting,The rust problem of carbon steel pipes is mainly caused by long-term exposure to the air, so some measures can be taken for surface treatment, such as painting and galvanizing.Painting can form a protective film on the surface of carbon steel pipes, which plays a role in corrosion prevention and beau...

  • Tianjin Yuantai Group has 65 black high-frequency welded steel pipe production lines, 26 hot-dip galvanized steel pipe processing production lines, 10 pre-galvanized steel pipe production lines, 8 photovoltaic bracket production lines, 6 ZMA steel pipe production lines, 3 spiral welded pipe production lines, 2 ZMA steel coil production lines, a...

  • Black pipe is plain steel pipe without any protective coatings. Black pipe is used for a variety of applications around the home. It is very common to see black pipe used for your natural gas line and sprinkler system lines. Since black pipe has no protective coating, it may rust easily in wet or humid environments. To stop the pipe from rustin...

  • YES. We have strong cooperation with SINOSURE

  • RHS stands for Rectangular Hollow Section, that is rectangular steel pipe.We also have square hollow section steel pipe, according to standard: ASTM A500 , EN10219 , JIS G3466 , GB/T6728 cold formed square and rectangular steel pipe.

  • Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd. has become a leading enterprise in the field of steel pipe manufacturing with over 23 years of professional experience. Our commitment to quality and excellent service places us in an important position in the industry.Our company produces:Hot rolled rectangular tube: 20 * 20-1000 *...

  • TT, L/C(For big order,30-90 days can be acceptable).

  • Reasons for Steel Pipe RustingSteel pipe rusting is a complex chemical process, which is mainly caused by the following factors:1. Oxidation reactionThe main component of steel is iron (Fe), and oxidation reaction occurs when iron comes into contact with oxygen (O₂) in the air.2. The role of moistureWater is not only a catalyst for oxidation re...

  • 1. OD 219mm and below In hexagonal seaworthy bundles packed by steel strips, With two nylon slings for each bundles2. above OD 219mm in bulk or according to custom opinion3. 25 tons/container and 5 tons/size for a trial order;4. For 20" container the max length is 5.8m;

  • YES WE HAVEYUANTAI DERUN Brand TOP 500 China

  • Alloy Steel refers to steel that intentionally adds one or more alloying elements (such as chromium, nickel, molybdenum, vanadium, titanium, etc.) to carbon steel to improve and enhance its performance. These alloying elements can significantly improve the strength, toughness, corrosion resistance, wear resistance, high temperature stability an...

  • A process for further refinement of stainless steel through reduction of carbon contentThe amount of carbon in stainless steel must be lower than that in carbon steel or lower alloy steel (i.e., steel with alloying element content below 5%). While electric arc furnaces (EAF) are the conventional means of melting and refining stainless steel, AO...

  • The corrosion of structural steel is an electrochemical process that requires the simultaneous presence of moisture and oxygen. In the absence of either, corrosion does not occur. Essentially, the iron in the steel is oxidised to produce rust, which occupies approximately 6 times the volume of the original material consumed in the process. The ...

  • Generally it is 3-5 days if goods are in stock. or around 25 days if the goods are not in stock and it is according to order requirement. To South Africa: 45 daysTo Middle East: 30 daysTo South America: 60 daysTo North America: 30 daysTo Russia: 7...

  • Yuantai Derun was established in 2002 and is a global steel company that is a leader in square tube and structural steel pipe related services. It has a total of more than 2,200 employees, 18 subsidiaries, 100+ production lines, and national CNAS laboratory certification. The company is a large-scale joint enterprise group that mainly produces ...

  • Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd. is one of the top 500 private enterprises in China and one of the top 500 manufacturing enterprises in China. It has been specialized in manufacturing steel for more than 20 years, with national CNAS laboratory certification and rich project experience.High-quality products:Strict q...

  • Quality/Quantity Claims: The Buyer is entitled to make both quality and quantity claim in writing against the Seller within 90 days after arrival at the port of destination.

  • Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd.:Tianjin Bosi Testing Co., Ltd. passed CNAS certification.China's top 500 private enterprises Yuantai Derun Steel Pipe Manufacturing Group has been awarded the honor of China's top 500 private enterprises for more than 10 consecutive years.China's top 500 manufacturing enterprise cer...

  • A: 1.We keep good quality and competitive price to ensure our customers' benefit.2.We respect every customer as our friend and we sincerrly do business and make friends with them, no matter where they come from.

  • Yes,you can get available samples in our stock.Free for real samples,but customers need to pay the freight cost.

  • The possibilities for using steel in buildings and infrastructure are limitless. The most common applications are listed below.For buildingsStructural sections: these provide a strong, stiff frame for the building and make up 25% of the steel use in buildings.Reinforcing bars: these add tensile strength and stiffness to concrete and make up 44%...

  • hot dip galvanized steel pipe manufacturing process Hot dip galvanizing (English name: Galvanizing, also known ...

  • Electric Resistance Welded Pipe (ERW) is a steel pipe manufactured by high-frequency resistance welding technology. This production method is known for its ...

  • Understanding of OEM, ODM and OBM is an essential step for every e-Commerce sellers and for those people who want to start their importing or exporting business. - OEM (Origina...

  • Manual sawing: Use a saw with sharp serrations to cut round pipes. Fix the circular tube on the workbench and start cutting from one end of the tube using pliers to reduce finger injuries. ‌1Manual circular saw: Fix the circular tube on the workbench and use a toothed circular saw for cutting. The circular saw can ...

  • Circular pipe welding is a common connection process widely used in various industries. When welding circular pipes, we need to choose a suitable welding method to ensure welding quality and efficiency. The common welding methods and characteristics of circular pipes are as follows.1. Arc weldingArc welding is the ...

  • Under the same cross-sectional area, square tubes are usually stronger than round tubes. The cross-sectional shape of square tube is more regular, processed more finely, and assembled more firmly. Therefore, at the same size, the structural strength of square tube is greater and more stable than that of round tube....

  • The measurement of circular pipes requires the use of some tools, including vernier calipers, tape measures, micrometers, roundness measuring instruments, and other tools.Vernier caliper: used to measure diameter or length. The size of the circular tube can be accurately read through the scale on the caliper.Micrometer: used to measure wall thi...

  • There are several methods for bending round pipes, including manual bending of round steel pipes and mechanical bending of round steel pipes. Manual Bending Of Round Steel Pipes Firstly, us...

  • There are usually many manufacturing methods for elliptical tubes, and there are four common manufacturing processes for elliptical tubes. They are respectively casting process, bending process, forging process, and welding process. Casting Proces...

  • The main metal raw materials for producing rectangular tubes include carbon steel, alloy steel, stainless steel, aluminum, copper, and so on.

  • Method for measuring the length of rectangular tubes1. Use a steel ruler or tape measure to measure along the length of the pipeline.2. Use measuring instruments for measurement, such as measuring instruments, laser rangefinders, etc.Attention: When measuring the length, it is necessary to ensure that the measuring...

  • There are two ways to calculate the weight of a rectangular tube: theoretical weight calculation and actual weighing The weight per meter of rectangular pipe (kg)=[(outer diameter inner diameter) x inner diameter] x 0...

  • if you want to know the square tubing cost,or square pipe price today,or square tubing price per foot, or square tubing price per meter,or square tube price per kg,please contact our salesman.

  • Mild steel pipe, also known as low carbon steel pipe, is a pipe made of low-carbon steel with a carbon content ranging from approximately 0.16% to 0.25%. It has good hardness, toughness, corrosion resistance, high temperature resistance, and superior impact resistance, and is widely used in various fields such as s...

  • In practical applications of steel pipes and pipelines, people often hear the term "DN". What does' DN 'represent? After checking, it was found that DN represents an average inner diameter. Why Use The Concept Of Nominal Diameter(DN)? ...

  • The price per kilogram of pre galvanized steel pipe is a fluctuating variable, currently ranging from 4.75 to 7.90 yuan

  • Firstly, the bending of round flexible steel pipes requires the use of a round pipe bending machine.Secondly, the bending of square and rectangular flexible steel pipes requires the use of a square and rectangular pipe bending machine.Thirdly, if these tools are not available at home, you can seek out a nearby proc...

  • HSP means hot dip galvanizing (HSP) is a metal surface treatment method that mainly involves immersing metal parts into molten zinc ingots to form a zinc protective layer on the metal surface. This process can effectively prevent metal corrosion and extend the service life of materials. Widely used in various industries such as construction, tr...