Hollow Corrugated Steel Pipe Price For Sale
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 35 m.t
- Supply Capability:
- 5000 m.t/month
OKorder Service Pledge
OKorder Financial Service
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Specification
Structure :
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.
Main Features :
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
Specification:
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.
FAQ :
A. How 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.
B. How 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.
C.Why 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.
Any question, pls feel free to contact us !
Product image:
Company Information:
CNBM International Corporation (CNBM International) is the most important trading platform of CNBM Group Corporation, a state-owned company under the direct supervision of State-owned Assets Supervision and Administration Commission of the State Council.
Since 2004, the trading volume of CNBM International has been doubled in 5 successive years owing to the support of superior corporations and effort of all staff. Meanwhile, we have established strategic partnerships with hundreds of domestic manufacturers and sound business relations with clients from over 120 countries. Currently, we have wholly-owned overseas subsidiaries and branches in 5 countries with a view to realize localization, which also represents an essential progress in our globalization target.
In line with the business, CNBM International launched E-business platform Okorder.com.Our goal is to transform CNBM International into the global leading brand in building materials industry within 3 to 5 years through innovation and reform, by strengthening the overall management of supply chain, developing and cultivating both domestic and overseas market, improving the procedure and information system, enhancing the ability to organize resources and to provide value-added services under a professional team and a learning organization.
- Q:What are the different types of steel pipe coatings for offshore applications?
- There are several types of steel pipe coatings commonly used for offshore applications. These include fusion-bonded epoxy (FBE) coatings, three-layer polyethylene (3LPE) coatings, three-layer polypropylene (3LPP) coatings, and concrete weight coatings. Each of these coatings offer different levels of protection against corrosion and abrasion in offshore environments, and the choice of coating depends on factors such as the specific offshore application, the surrounding environment, and the durability requirements.
- Q:Are steel pipes affected by UV rays?
- Yes, steel pipes can be affected by UV rays. Prolonged exposure to UV radiation can lead to the degradation of the protective coatings on steel pipes, causing them to corrode and weaken over time. It is important to implement proper protective measures, such as applying UV-resistant coatings or using protective covers, to mitigate the impact of UV rays on steel pipes.
- Q:What are the dimensions of steel pipes?
- Steel pipes can have varying dimensions depending on specific requirements and industry standards. However, they generally adhere to standardized measurements for their outer diameter (OD), wall thickness, and length. The OD of steel pipes can range from small sizes, such as ¼ inch (6.35 mm) or ⅛ inch (3.175 mm), to larger sizes like 48 inches (1219.2 mm) or more for specialty applications. The wall thickness of steel pipes can also vary significantly, ranging from thin pipes with a few millimeters of thickness to thick pipes with several inches of thickness. Regarding length, standard steel pipes are typically produced in lengths of 20 feet (6.1 meters) or 40 feet (12.2 meters). However, custom lengths can also be manufactured to meet specific project requirements. It is important to note that these dimensions are only general examples and may not encompass all potential variations in steel pipe sizes. Therefore, consulting relevant industry standards and specifications is always recommended to determine the precise dimensions necessary for a specific application.
- Q:Are steel pipes suitable for underground compressed air systems?
- Yes, steel pipes are suitable for underground compressed air systems. Steel pipes are known for their strength and durability, making them capable of withstanding the high pressure and potential corrosion that may occur in underground environments. Additionally, steel pipes are resistant to heat and can efficiently conduct compressed air, making them a reliable choice for such systems.
- Q:Can steel pipes be used for underground air supply systems?
- Indeed, underground air supply systems can make use of steel pipes. Due to their robustness, endurance, and ability to withstand external forces like corrosion and impact, steel pipes are frequently employed in underground settings. They possess the capacity to endure the pressure and temperature prerequisites of air supply systems while also being effortlessly installed below ground. Moreover, steel pipes boast an extended lifespan, rendering them a financially prudent option for underground air supply systems. Nonetheless, when selecting the suitable steel pipes for a particular underground air supply system, it is crucial to take into account factors such as soil conditions, potential for corrosion, and local regulations.
- Q:How do you calculate the pipe flow velocity for steel pipes?
- To determine the velocity of flow in steel pipes, two equations can be utilized: Manning's formula or the Darcy-Weisbach equation. 1. Manning's formula, commonly applied to open channel flow but also suitable for partially filled pipes, calculates velocity based on the pipe's hydraulic radius, slope, and Manning's roughness coefficient. The formula is as follows: Velocity (V) = (1.486/n) * (R^2/3) * (S^1/2) In this formula: - V represents the velocity - n denotes the Manning's roughness coefficient (obtainable from reference tables) - R signifies the hydraulic radius (cross-sectional area divided by wetted perimeter) - S indicates the slope of the energy grade line 2. The Darcy-Weisbach equation, widely used for pipe flow calculations, derives velocity from the pipe's diameter, roughness coefficient, and head loss due to friction. The equation is as follows: Velocity (V) = (2 * g * hL)^0.5 In this equation: - V represents the velocity - g stands for the acceleration due to gravity (approximately 9.81 m/s^2) - hL refers to the head loss caused by friction, which can be calculated using the Darcy-Weisbach equation: hL = (f * L * V^2) / (2 * g * D) In this equation: - f denotes the Darcy friction factor (dependent on the Reynolds number and pipe roughness) - L represents the length of the pipe - D indicates the diameter of the pipe Both formulas necessitate input parameters such as pipe dimensions, roughness coefficients, and slope. These parameters can be obtained from engineering references or pipe manufacturer specifications. It is essential to note that these formulas provide approximate values and may require iterations or adjustments for precise outcomes.
- 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:What is DN50 for welded pipe?
- Refers to the use of welded steel pipe made of DN50 steel pipe, refers to the inside diameter is 50mm, the market of common DN50 pipe also refers to the 2 inch pipe, standard pipe: 3.5mm thickness, pipe diameter 60mm, the weight of 4.88kg/m theory.
- Q:What are the common challenges faced during steel pipe installation?
- During steel pipe installation, there are several common challenges that may arise. One challenge is ensuring proper alignment and fit between pipe sections. Steel pipes are typically joined together using welding or threading, and if the alignment is not precise, it can result in leaks or weak points in the pipeline. To overcome this challenge, careful measurements and alignment techniques must be used to ensure a secure and tight fit between pipe sections. Another challenge is dealing with corrosion and rust. Steel pipes are susceptible to corrosion, especially when exposed to moisture or corrosive substances. This can lead to degradation of the pipe over time, compromising its structural integrity and increasing the likelihood of leaks. To address this challenge, protective coatings or linings can be applied to the steel pipes to prevent corrosion and extend their lifespan. Additionally, the weight and size of steel pipes can pose a challenge during installation. Steel pipes are heavy, and maneuvering and positioning them can be physically demanding. Moreover, the large diameter of some steel pipes makes it difficult to transport and handle them in tight spaces or through narrow pathways. Overcoming this challenge often requires the use of heavy machinery, such as cranes or forklifts, to lift and position the pipes properly. Lastly, environmental factors can also present challenges during steel pipe installation. Extreme temperatures, harsh weather conditions, or unstable soil conditions can impact the installation process. For example, freezing temperatures can make it challenging to weld the pipes, while unstable soil may require additional reinforcement or stabilization measures to ensure the durability of the pipeline. In conclusion, the common challenges faced during steel pipe installation include ensuring proper alignment, dealing with corrosion and rust, handling the weight and size of the pipes, and addressing environmental factors. Overcoming these challenges requires careful planning, attention to detail, and the use of appropriate techniques and equipment.
- Q:What are the common welding techniques used for steel pipes?
- The common welding techniques used for steel pipes include shielded metal arc welding (SMAW), gas metal arc welding (GMAW), flux-cored arc welding (FCAW), and submerged arc welding (SAW).
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Hollow Corrugated Steel Pipe Price For Sale
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 35 m.t
- Supply Capability:
- 5000 m.t/month
OKorder Service Pledge
OKorder Financial Service
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