Hot Rolled Large Diameter Thick Wall Seamless Carbon Steel Pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 15000 m.t./month
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1、Structure of Hot Rolled Large Diameter Thick Wall Seamless Carbon Steel Pipe:
Seamless pipe is formed by drawing a solid billet over a piercing rod to create the hollow shell. As the manufacturing process does not include any welding, seamless pipes are perceived to be stronger and more reliable. Historically seamless pipe was regarded as withstanding pressure better than other types, and was often more easily available than welded pipe.
2、Main Features of Hot Rolled Large Diameter Thick Wall Seamless Carbon Steel Pipe:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、Hot Rolled Large Diameter Thick Wall Seamless Carbon Steel Pipe 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.
4、Packaging & Delivery
Packaging Details: | seaworthy package,bundles wrapped with strong steel strip |
Delivery Detail: | 15-30days after received 30%TT |
5、FAQ of Hot Rolled Large Diameter Thick Wall Seamless Carbon Steel Pipe:
①How is the quality of your products?
Our products are manufactured strictly according to national and internaional standard, and we take a test
on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.
②How about price?
Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.
③Why should you chose us?
Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.
6、Hot Rolled Large Diameter Thick Wall Seamless Carbon Steel Pipe Images：
- Q: Can steel pipes be used for oil and gas pipelines?
- Yes, steel pipes are commonly used for oil and gas pipelines due to their high strength, durability, and resistance to corrosion.
- Q: How do you calculate the pipe friction loss for steel pipes?
- In order to determine the pipe friction loss for steel pipes, one must utilize the Darcy-Weisbach equation. This particular equation is widely employed in the field of fluid dynamics to ascertain the drop in pressure or friction loss that arises from the flow of fluid through a pipe. The equation is formulated as follows: The pressure drop or friction loss (ΔP) can be calculated by dividing the product of the Darcy friction factor (f), the length of the pipe (L), the density of the fluid (ρ), and the square of the velocity of the fluid (V²), by twice the diameter of the pipe (D). The Darcy friction factor (f), which is a dimensionless value, is contingent upon the Reynolds number (Re) and the relative roughness (ε/D) of the pipe. Here, ε represents the absolute roughness of the pipe. There are various correlations or Moody's diagram that can be employed to determine the friction factor. Once the friction factor has been ascertained, the values for length, density, velocity, and diameter can be substituted into the equation to calculate the pressure drop or friction loss. It is of utmost importance to ensure that the units for all variables remain consistent (e.g., length in meters, density in kg/m³, velocity in m/s, diameter in meters) in order to achieve precise results. By utilizing this equation and acquiring the requisite parameters, it becomes possible to calculate the pipe friction loss for steel pipes. Such calculations are essential in the design and analysis of fluid flow systems.
- Q: What are the different types of steel pipe coatings for marine applications?
- There are several types of steel pipe coatings commonly used for marine applications, including epoxy coatings, polyurethane coatings, zinc coatings, and fusion-bonded epoxy coatings. Each coating offers different benefits such as corrosion resistance, abrasion resistance, and protection against marine organisms. The choice of coating depends on factors such as the specific marine environment, the level of corrosion protection required, and the budget.
- Q: How do you clean steel pipes?
- To effectively clean steel pipes, there are several steps that can be followed: 1. Collect the necessary supplies: You will require a pipe cleaning solution, either a scrub brush or wire brush, and safety gear like gloves and goggles. 2. Prepare the cleaning solution: Dilute the pipe cleaning solution according to the instructions provided on the packaging. Ensure that you select a solution suitable for steel pipes. 3. Prioritize safety: Put on your safety gear to safeguard yourself from any potential hazards. 4. Eliminate any debris: Before applying the cleaning solution, eliminate any loose debris or dirt from the surface of the steel pipes. You can utilize a brush or cloth to wipe away any visible particles. 5. Apply the cleaning solution: Immerse the brush into the prepared cleaning solution and administer it to the steel pipes. Ensure that you cover the entire surface, particularly focusing on areas with stubborn dirt or grime. 6. Scrub the pipes: Thoroughly scrub the steel pipes using the brush, applying pressure as needed to eliminate any buildup or stains. Pay extra attention to joints or hard-to-reach areas. 7. Rinse with water: Once you have completed the scrubbing, rinse the pipes with clean water to eliminate the cleaning solution and any remaining dirt. You can pour water over the pipes or employ a hose if available. 8. Dry the pipes: After rinsing, use a cloth or towel to completely dry the steel pipes. This will aid in preventing water stains or corrosion. 9. Inspect for cleanliness: Take a moment to inspect the pipes and ensure that they are clean. If there are still areas with stubborn dirt or stains, you may need to repeat the cleaning process or consider using a different cleaning solution. Always remember to adhere to the manufacturer's instructions when using cleaning solutions and to take appropriate safety measures.
- Q: How do you clean and maintain steel pipes?
- To clean and maintain steel pipes, start by removing any loose dirt or debris using a brush or cloth. Then, use a mild detergent or soap solution to wash the pipes thoroughly. Rinse them with clean water and dry them with a soft cloth to prevent water spots. To maintain them, regularly inspect for signs of corrosion or rust and address any issues promptly. Additionally, apply a protective coating or paint to prevent future rusting.
- Q: What is the difference between ERW and SAW steel pipes?
- ERW (Electric Resistance Welded) steel pipes are manufactured by rolling metal sheets into a tube shape and then welding the edges together using an electric current. On the other hand, SAW (Submerged Arc Welded) steel pipes are produced by placing a metal plate in a welding machine with a submerged arc welding process. The key difference lies in the welding technique used, with ERW pipes having a welded seam along the length, while SAW pipes have a more uniform and continuous weld. This difference in welding method also affects the overall strength and durability of the pipes, making them suitable for different applications.
- Q: How are steel pipes used in the construction of tunnels?
- Steel pipes are commonly used in the construction of tunnels to provide structural support, facilitate drainage systems, and carry various utilities such as water, gas, or electrical cables. These pipes are often installed as part of the tunnel's foundation or as a protective casing for the tunnel's infrastructure.
- Q: What are the future trends in steel pipe manufacturing?
- Some future trends in steel pipe manufacturing include the use of advanced technologies such as robotic automation and artificial intelligence for increased efficiency and precision. There is also a growing focus on sustainability, with the development of eco-friendly manufacturing processes and the use of recycled materials. Additionally, there is a shift towards producing pipes with higher strength and lighter weight, as well as an increasing demand for customized products to meet specific industry requirements.
- Q: What is the maximum length of a steel pipe?
- The maximum length of a steel pipe will vary depending on various factors such as manufacturing capabilities, transportation limitations, and practical considerations. However, in general, steel pipes can typically be manufactured and transported in lengths ranging from a few meters to several hundred meters.
- Q: Can steel pipes be used for paper mills?
- Yes, steel pipes can be used for paper mills. Steel pipes are widely used in various industries, including paper mills, due to their durability, strength, and resistance to corrosion. These pipes are commonly used for transporting water, chemicals, steam, and other fluids within the paper mill facilities.
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Hot Rolled Large Diameter Thick Wall Seamless Carbon Steel Pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 15000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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