Hot Rolled Seamless Steel pipe with high quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 2000000 m.t./month
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1、Structure of Hot Rolled Seamless Steel pipe with high quality:
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 Seamless Steel pipe with high quality:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、Hot Rolled Seamless Steel pipe with high quality 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 Seamless Steel pipe with high quality:
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 Seamless Steel pipe with high quality Images：
- Q: What is the typical length of a steel pipe?
- The typical length of a steel pipe can vary depending on its purpose and application. However, standard lengths for steel pipes often range from 20 feet to 40 feet.
- Q: Can steel pipes be used for electrical conduits?
- No, steel pipes are not suitable for use as electrical conduits. Electrical conduits are typically made of materials such as PVC (polyvinyl chloride) or metal conduits specifically designed for electrical applications.
- Q: What is the meaning of "DN" and "Phi" in the dimensioning of steel pipe diameter and how to apply the mark?
- DN represents the path of the tube". Fair represents diameter. Path is the diameter of the fluid through which it should be inside. The diameter may be the outer diameter or the inner diameter. The diameter is only used when the pipe is used for flow through. Fair as long as the garden can be used. According to the requirements of mechanical drawing fair, DN text notes.
- Q: How do you calculate the pressure drop in a steel pipe?
- To calculate the pressure drop in a steel pipe, you need to consider several factors such as the diameter and length of the pipe, the flow rate of the fluid, and the properties of the fluid itself. One commonly used equation to calculate the pressure drop in a pipe is the Darcy-Weisbach equation, which is given as: ΔP = (f * (L / D) * (ρ * V^2)) / (2 * D) Where: ΔP is the pressure drop in the pipe f is the Darcy friction factor, which depends on the pipe roughness and Reynolds number L is the length of the pipe D is the diameter of the pipe ρ is the density of the fluid V is the velocity of the fluid To calculate the Darcy friction factor, you can use different methods depending on the flow regime. For laminar flow, you can use the formula f = 16 / Re, where Re is the Reynolds number. For turbulent flow, there are several methods to determine the friction factor, such as the Colebrook equation or the Moody chart. It is important to note that the properties of the fluid, such as its viscosity and density, may vary with temperature and pressure. Therefore, it is necessary to consider these variations when calculating the pressure drop. Additionally, it is worth mentioning that there are other factors that can affect the pressure drop in a steel pipe, such as fittings, valves, and elbows. These factors introduce additional losses, which can be accounted for by using appropriate correction factors or by directly measuring the pressure drop across these components. Overall, calculating the pressure drop in a steel pipe involves using the appropriate equations, considering the properties of the fluid, and accounting for the various factors that may affect the flow. It is recommended to consult relevant engineering handbooks or utilize specialized software for accurate calculations.
- Q: Can steel pipes be painted or coated?
- Certainly, steel pipes have the capability to undergo painting or coating procedures. It is a prevalent method employed to safeguard them against corrosion, enhance their visual appeal, or comply with particular industry standards. The process consists of an initial step of diligently cleaning the pipes to eliminate any dirt, grease, or rust. Subsequently, a primer is applied, followed by the desired paint or coating. The selection of paint or coating is contingent upon the envisioned purpose of the pipes. For instance, epoxy coatings are frequently utilized for water or wastewater pipelines, while high-temperature resistant coatings are employed for pipes utilized in industrial environments. In conclusion, the act of painting or coating steel pipes has the potential to augment their resilience and overall performance.
- Q: What's the difference between seamless steel pipe and welded pipe?
- Use, seamless steel pipe is generally used in the condition of higher use, such as temperature and pressure higher, corresponding to the requirements of stress corrosion, seamless steel pipe. With vice.
- Q: How are steel pipes used in underground drainage systems?
- Steel pipes are commonly used in underground drainage systems to transport wastewater and stormwater away from buildings and infrastructure. These pipes are durable and resistant to corrosion, making them suitable for underground applications. They are typically used for main sewer lines and stormwater drains, providing a reliable and long-lasting solution for effective drainage.
- Q: What are the safety measures to be followed while working with steel pipes?
- When working with steel pipes, it is important to follow several safety measures to ensure the well-being of workers and prevent accidents. Some of the key safety measures include: 1. Personal Protective Equipment (PPE): Workers should always wear appropriate PPE, including safety glasses, steel-toed boots, gloves, and hard hats to protect themselves from potential hazards. 2. Proper Lifting Techniques: Steel pipes can be heavy, so workers should use proper lifting techniques, such as bending their knees and using their leg muscles, to prevent strain or injury to their back. 3. Secure Storage and Handling: Steel pipes should be stored in a secure and organized manner to prevent them from falling or causing any hazards. Workers should also use appropriate lifting equipment, such as cranes or forklifts, to handle heavy steel pipes safely. 4. Inspect Pipes for Defects: Before working with steel pipes, they should be inspected for any defects, such as cracks or corrosion, that could compromise their structural integrity. Damaged pipes should be replaced to avoid potential accidents. 5. Proper Welding and Cutting Techniques: When welding or cutting steel pipes, workers should follow proper techniques and use appropriate safety equipment, such as welding masks and fire-resistant clothing, to prevent burns, fires, or explosions. 6. Fall Protection: When working at heights or on elevated platforms, workers should use fall protection equipment, such as harnesses and safety nets, to prevent falls and injuries. 7. Adequate Ventilation: In enclosed spaces where welding or cutting activities take place, proper ventilation should be ensured to prevent the accumulation of harmful fumes or gases. 8. Fire Prevention: Steel pipes can be flammable, especially when cutting or welding. Therefore, it is crucial to have fire prevention measures in place, such as fire extinguishers and fire blankets, and to follow proper fire safety protocols. By adhering to these safety measures, workers can minimize the risks associated with working with steel pipes and create a safer working environment.
- Q: How are steel pipes tested for quality and strength?
- Steel pipes are tested for quality and strength through various methods, including destructive and non-destructive testing. Destructive tests involve subjecting samples to extreme conditions such as tension, compression, or bending to assess their mechanical properties. Non-destructive tests, on the other hand, utilize techniques like ultrasonic inspection, magnetic particle testing, and radiographic examination to detect any defects or anomalies without damaging the pipes. These rigorous testing procedures ensure that steel pipes meet the required standards and can withstand the intended applications.
- Q: What are the safety precautions to consider when working with steel pipes?
- When working with steel pipes, it is important to follow certain safety precautions to prevent accidents and injuries. Some key precautions include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots to protect against cuts, burns, and impact injuries. It is also crucial to inspect the pipes for any defects or damage before using them and ensure they are properly supported and secured during installation to prevent them from falling or causing structural failures. Additionally, workers should be trained on safe lifting techniques to avoid strain or back injuries when handling heavy pipes. Regular maintenance and inspection of tools and equipment, as well as adherence to proper handling and storage procedures, are also essential for maintaining a safe working environment when working with steel pipes.
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Hot Rolled Seamless Steel pipe with high quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 2000000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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