Welded Steel Tube Professional Supplier Steel Pipes
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 10000 m.t./month
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Welded Steel Tube China Professional Supplier Steel Pipes
Product Description:
Structure of Welded Steel Tube ASTM DIN1829:
Welded Steel Tube is formed by drawing a solid billet over a piercing rod to create the hollow shell. We are company that have many years experience and professional manager team and engineer team and sales team, sure we will provide you high quality of welded pipe and professioanl service.
Main Features:
• High manufacturing accuracy
• The higher strength
• The small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Satisfy price
Specification:
Standard | GB, DIN, ASTM ASTM A106-2006, ASTM A53-2007 |
Grade | 10#-45#, 16Mn 10#, 20#, 45#, 16Mn |
Thickness | 8 - 33 mm |
Section Shape | Round |
Outer Diameter | 133 - 219 mm |
Place of Origin | Shandong, China (Mainland) |
Secondary Or Not | Non-secondary |
Application | Hydraulic Pipe |
Technique | Cold Drawn |
Certification | API |
Surface Treatment | factory state or painted black |
Special Pipe | API Pipe |
Alloy Or Not | Non-alloy |
Length | 5-12M |
Outer Diameter | 21.3-610mm |
Grade | 20#, 45#, Q345, API J55, API K55, API L80, API N80, API P110, A53B |
Standard | ASME, ASTM |
1) Material:20#(ASTM A 106/A53 GRB.API5LGRB,GB),45#,16Mn,10#.
2) Specification range:OD:21.3-610mm,WT:6-70mm,length:6-12m or according to the requirement of clients.
3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above standards,we can also supply seamless steel pipe with standard of DIN,JIS,and so on,and also develop new products according to the requirements of our clients!
4) Surface:black lacquered,varnish coating or galvanized.
5) Ends:Beveled or square cut,plastic capped,painted.
6) Packing:bundles wrapped with strong steel strip,seaworthy packing.
- Q: How are steel pipes insulated to prevent heat gain?
- Steel pipes are insulated to prevent heat gain by using materials with low thermal conductivity, such as fiberglass or mineral wool, which are wrapped around the pipes. This insulation layer acts as a barrier, reducing the transfer of heat from the surroundings to the pipes, thereby minimizing heat gain. Additionally, a vapor barrier may be applied over the insulation to prevent moisture ingress, which could further impact the insulation's effectiveness.
- Q: What is the size of seamless steel tube DN150?
- Seamless steel tube is generally used to indicate the outer diameter * wall thickness, DN150 seamless steel pipe GB wall thickness is 5mm. Wall thickness is a series of calculations based on your design, pressure, temperature, and pipe material.
- Q: What is the thermal expansion coefficient of steel pipes?
- The thermal expansion coefficient of steel pipes is typically around 0.000011 to 0.000012 per degree Celsius, which means that for every degree Celsius increase in temperature, the length of the steel pipe will expand by approximately 0.0011% to 0.0012%.
- Q: What is an electric welded pipe (EFW)? Seek help！
- According to the operation requirements of the electric welding machine, connect the lead wire and set up the proper welding parameter of the electric welding machine, which can be operated by manual or automatic two input methods.After checking, start the electric welding machine and enter the welding process. When the welding time is reached, the machine will automatically enter the cooling state.When the pipe completely removed after cooling, electric fusion welding machine.Cutting the pipe with the cutting tool of plastic pipe or fine toothed saw with cutting guide device, and making its end face perpendicular to the axis of pipe. Remove the edges of the edges with a knife, scrape the weld area in the pipe or spigot end and clean the weld area.Should use the special fixture as far as possible to secure the components to be connected, and the roundness of the pipe shall not exceed 1.5% of the outer diameter of the pipe, or it should be corrected on the corresponding fixture.
- Q: How do steel pipes handle ground freezing and thawing?
- Steel pipes are highly resistant to ground freezing and thawing due to their inherent strength and durability. They are designed to withstand extreme temperature variations without significant damage or deformation. Additionally, steel pipes have low thermal conductivity, meaning they do not transfer heat as easily as other materials, allowing them to maintain their structural integrity even in freezing conditions. Thus, steel pipes are an excellent choice for underground infrastructure and can effectively handle ground freezing and thawing.
- Q: Can steel pipes be used for underground geothermal systems?
- Yes, steel pipes can be used for underground geothermal systems. Steel pipes are commonly used in geothermal systems due to their strength and durability. They can withstand the high temperatures and pressures associated with geothermal energy extraction and distribution. Steel pipes also have good corrosion resistance, which is important when dealing with the underground environment and the various minerals and chemicals present in the ground. Additionally, steel pipes are versatile and can be easily joined and installed underground, making them a suitable choice for geothermal systems.
- Q: Can steel pipes be used for irrigation pivot systems?
- Indeed, irrigation pivot systems can indeed utilize steel pipes. Steel pipes are commonly employed in irrigation systems owing to their robustness, longevity, and resistance to corrosion. They possess the ability to endure the water flow's pressure and stress within pivot systems, exhibiting a decreased likelihood of leaks or cracks when contrasted with alternative materials. Moreover, steel pipes offer convenience as they can be effortlessly welded or threaded together, facilitating the selection of various lengths and configurations for irrigation systems. Nonetheless, it is crucial to take into account the precise requirements of the irrigation pivot system and seek guidance from professionals to ascertain the suitability of the chosen steel pipes for the specific application.
- Q: How do you join steel pipes together?
- There are several methods to join steel pipes together. The most common methods include welding, threading, and using mechanical connectors. Welding involves melting the ends of the pipes and fusing them together, creating a strong and permanent joint. Threading involves cutting threads into the ends of the pipes and using threaded fittings to connect them. Mechanical connectors, such as couplings or flanges, use fasteners or compression to hold the pipes together. The choice of joining method depends on the specific application and the type of steel pipes being used.
- Q: What is the difference between hot-dip galvanizing and electroplating of steel pipes?
- Hot-dip galvanizing and electroplating are two different methods used to protect steel pipes from corrosion. Hot-dip galvanizing involves immersing the steel pipes into a molten zinc bath. The zinc reacts with the steel surface, forming a series of zinc-iron alloy layers on the pipe's surface. This process creates a robust and uniform coating that provides excellent corrosion resistance. Hot-dip galvanizing is commonly used for outdoor applications and in environments where the pipes are exposed to harsh conditions, such as water or chemicals. On the other hand, electroplating involves the deposition of a thin layer of metal onto the surface of the steel pipes using an electric current. In the case of steel pipes, the most common metal used for electroplating is zinc. The steel pipes act as the cathode, and a zinc anode is placed in a solution containing zinc ions. The electric current causes the zinc ions to react with the steel surface, resulting in the formation of a thin zinc coating. Electroplating provides a more decorative finish and is often used for indoor applications or when aesthetics are a priority. In terms of the coating thickness, hot-dip galvanizing generally provides a thicker and more durable coating compared to electroplating. The hot-dip galvanized coating is typically several times thicker than the electroplated zinc coating. This thicker coating offers better protection against corrosion and provides a longer lifespan for the steel pipes. Another difference lies in the coating appearance. Hot-dip galvanizing produces a coating with a matte gray finish, while electroplating can result in a more lustrous and shiny appearance. Cost-wise, hot-dip galvanizing is generally more cost-effective for larger projects due to its efficiency in coating multiple pipes simultaneously. Electroplating, on the other hand, is typically more expensive and time-consuming, especially for larger quantities of steel pipes. Overall, the choice between hot-dip galvanizing and electroplating depends on the specific requirements of the project, including the intended application, environment, aesthetics, and budget constraints.
- Q: Can steel pipes be used for underground water supply networks?
- Yes, steel pipes can be used for underground water supply networks. Steel pipes are durable, resistant to corrosion, and have high strength, making them suitable for carrying water underground. Additionally, steel pipes can withstand high pressure and temperature variations, ensuring a reliable and long-lasting water supply system.
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Welded Steel Tube Professional Supplier Steel Pipes
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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