Q235B spiral pipe can be processed inside and outside anti-corrosion
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 1000 m.t./month
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Item specifice
Our main products are: seamless steel tube (hot rolling, cold drawing);Spiral steel tube;Straight seam steel tube;Heat expanding steel tube;Large diameter thick wall steel tube;Alloy steel tube;Anti-corrosion and heat preservation steel pipe.Scope of seamless steel tube: diameter 57mm-910mm wall thickness 2.0mm-26mm;Double-sided submerged arc welding spiral steel tube: diameter: 219mm-3600mm; wall thickness: 6.0mm-30mm;Straight seam resistance welded steel tube (ERW) : diameter 21.3mm-457.2mm wall thickness 1.8mm-14.27mm and straight seam double-sided submerged arc welding pipe: diameter 310mm-3200mm wall thickness 6mm-60mm;Thermal expansion seamless steel tube: diameter 245mm-920mm wall thickness 6.0mm-34mm;Large diameter thick wall steel tube: diameter 351mm-3600mm wall thickness 26mm-80mm. Seamless steel tube execution standard: GB/T8162 8163 3087 5310 6479 9948 5312.Helical steel tube executive standard: GB/T9711.1 9711.2 SY/T5037 5040 APTSPEC 5L.Straight seam steel pipe standards: GB/T3091971113793APISpec5L.Thermal expansion steel pipe executive standard: GB/T8162 8163 3091.Large diameter thick wall steel pipe executive standard: GB/T3091 3092 14980 13793.Alloy steel pipe standards: GB3087, 5310, 6479, 9948 SY/T6194API5CTAPI5LAPI5BASTM53M?ASTMA106 ASTMA213/213 m DIN17175.
According to customer requirements, the company can undertake steel tube of the single and double fusion bonded epoxy (FBE), double polyethylene powder (2 PE pipe) and three layers of polyethylene (3 PE steel pipe), double polypropylene (pp) and polypropylene (pp), three layer of epoxy coal tar anti-corrosion coating pipeline anticorrosion engineering and IPN8710 polymer anticorrosive coatings, cement mortar pipe wall corrosion pipe internal coating such as a variety of anti-corrosion structure of directly buried steel pipeline anticorrosion engineering and rock wool insulation sets of steel, black/yellow leather jacket polyurethane foam insulation pipe engineering, execution DIN30670?30671, SY/T4013 0315 standard, is widely used in oil, natural gas, gas, water and other long transmission pipelines and petrochemical enterprises urban central heating pipe network, gas pipe network and other projects, products with high strength, high pressure, easy to install, low cost, long service life and many other advantages, by the user's praise.
- Q:What are the disadvantages of using steel pipes?
- One disadvantage of using steel pipes is that they are prone to corrosion, especially in environments with high humidity or exposure to certain chemicals. This can lead to structural damage and reduced lifespan of the pipes. Additionally, steel pipes are relatively heavy and bulky, making transportation and installation more challenging compared to other pipe materials. Lastly, steel pipes can be more expensive than alternative materials, which can impact project budgets.
- Q:How do you determine the wall thickness of a steel pipe?
- There are several methods available for determining the wall thickness of a steel pipe. The most commonly used and precise approach involves utilizing a caliper or micrometer to measure it. Initially, ensure that the pipe is thoroughly cleaned and devoid of any debris or rust. Subsequently, gently position the caliper or micrometer around the circumference of the pipe, making certain that it is perpendicular to the surface. Proceed to cautiously close the jaws of the measuring tool until they snugly fit against the pipe, taking care not to excessively tighten them and distort the shape. Once the jaws are closed, observe and take note of the measurement displayed on the tool. This reading corresponds to the distance between the inner and outer diameter of the pipe, which is equivalent to the wall thickness. Alternatively, if a caliper or micrometer is unavailable, a pipe wall thickness gauge can be utilized. These gauges are equipped with a series of pins or rollers that can be inserted into the pipe, providing an accurate measurement. Simply insert the pins into the pipe, ensuring proper alignment with the wall, and refer to the reading displayed on the gauge. It is crucial to note that when measuring the wall thickness of a steel pipe, multiple readings should be taken at various points along the pipe to account for any variations. This will yield a more precise average measurement.
- Q:What are the common sizes of steel pipes?
- The common sizes of steel pipes vary depending on the application and standards followed. However, some common sizes include 1/8 inch, 1/4 inch, 3/8 inch, 1/2 inch, 3/4 inch, 1 inch, 1.25 inches, 1.5 inches, 2 inches, 2.5 inches, 3 inches, 4 inches, 5 inches, 6 inches, 8 inches, 10 inches, 12 inches, 14 inches, 16 inches, 18 inches, 20 inches, 24 inches, 30 inches, 36 inches, 42 inches, and 48 inches.
- Q:How are steel pipes installed underground?
- Steel pipes are installed underground through a process called trenching, where a trench is dug in the ground according to the desired pipe route. The trench is then prepared by removing any hindrances and ensuring a level base. The steel pipes are laid into the trench, with proper alignment and connections between sections. Once in place, the trench is backfilled with soil, compacted, and any necessary restoration work is done on the surface.
- Q:What is an electric welded pipe (EFW)? Seek help！
- Pipe and pipe fittings should be suitable for the gap, usually with micro force insertion is appropriate, the gap is too large or too small will affect the quality of the interface.Check the depth of the plug and slip the spigot into the socket and position correctly.
- Q:What are the different methods of coating steel pipes for insulation?
- Insulating steel pipes can be achieved through various methods, each with its own pros and cons. 1. One method involves applying a layer of thermal insulation material, like mineral wool or foam, onto the steel pipes. This helps minimize heat transfer and energy loss. While these coatings are easy to apply and offer excellent insulation properties, they are prone to degradation over time and require regular maintenance and replacement. 2. Another approach is to coat the steel pipes with materials that protect against corrosion, such as epoxy or polyethylene. These coatings act as a barrier, shielding the pipes from moisture, chemicals, and other corrosive elements. They are durable and long-lasting, providing effective protection. However, they may not offer significant thermal insulation. 3. Fusion-bonded epoxy (FBE) coating is a popular method that combines both insulation and corrosion protection. It involves applying a layer of epoxy powder to the pipes and heating it to create a strong bond. FBE coatings offer excellent adhesion, corrosion resistance, and some thermal insulation properties. They are commonly used in oil and gas pipelines, enduring harsh environments and high temperatures. 4. Polyurethane foam is often used as an insulation coating for steel pipes. It is applied by spraying or injecting the foam onto the pipe surface, where it expands and hardens, forming a protective layer. Polyurethane foam coatings provide exceptional thermal insulation and can be applied to pipes of different shapes and sizes. However, they require specialized equipment and expertise and may be susceptible to physical damage or moisture absorption if not properly sealed. 5. Ceramic coatings offer yet another option for insulating steel pipes. These coatings are typically applied through a thermal spray process, creating a layer of ceramic material on the pipe surface. Ceramic coatings provide insulation against high temperatures, corrosion resistance, and thermal shock protection. They are commonly used in industries like power generation and aerospace, where extreme temperature conditions are present. However, ceramic coatings can be costly and require specialized equipment and expertise for application.
- Q:How are steel pipes connected or joined together?
- Steel pipes are commonly connected or joined together through welding, threading, or using pipe fittings such as couplings, flanges, or unions.
- Q:Can steel pipes be used for the construction of offshore wind farms?
- Yes, steel pipes can be used for the construction of offshore wind farms. Steel pipes are commonly used for the installation of offshore wind turbines, as they provide structural support for the foundations and turbine structures. These pipes are designed to withstand harsh marine conditions, such as strong waves and corrosive saltwater. Additionally, steel pipes are durable and can be easily transported and installed in deep waters, making them a reliable choice for offshore wind farm construction.
- Q:Can steel pipes be used for water treatment plants?
- Yes, steel pipes can be and are commonly used in water treatment plants. Steel pipes have several advantages such as high strength, durability, and resistance to corrosion, making them suitable for conveying and transporting water in water treatment processes.
- Q:Are steel pipes suitable for underground industrial waste disposal?
- Due to their durability and strength, steel pipes find frequent use in underground industrial waste disposal. Their ability to withstand harsh underground conditions, such as moisture, pressure, and corrosion, is noteworthy. Furthermore, steel pipes exhibit resistance to chemical reactions, making them well-suited for managing diverse types of industrial waste. In this manner, they can effectively transport and confine hazardous materials, thereby guaranteeing the safety and safeguarding of the environment and its surroundings. Overall, steel pipes are widely acknowledged as a dependable and effective choice for underground industrial waste disposal.
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Q235B spiral pipe can be processed inside and outside anti-corrosion
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 1000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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