Seamless Hot Rolled Steel Pipe 4"-12"
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1、Structure of Seamless 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 the Seamless Pipe:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、Seamless 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. Carbon seamless steel pipe
2. Standard: ASME SA106/53B, ASTM A106/53B, GB/T8162 GB/T8163, API 5L GR.B, DIN2391, JIS S20C S45C
3. Grade: A53B A106B 20# 45# 16Mn st52
4. Size: 1"-16" SCH40 SCH80 SCH160
4. Processing technique: hot rolled/cold drawn;
5. Length: 6-12m
6. Surface: painted with varnish;
7. Plastic caps at ends.
8. Tolerance: OD +1%/-1%
WT +12.5%/-10%
4、Packaging & Delivery
Packaging Details: | seaworthy package,bundles wrapped with strong steel strip |
Delivery Detail: | 15-30days after received 30%TT |
5、FAQ of Seamless 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.
Any question, pls feel free to contact us !
6、Seamless Pipe ASTM A106/53 Images：
- Q: What are the properties of steel that make it suitable for pipe manufacturing?
- Steel is an ideal material for pipe manufacturing due to its various properties, including high strength, durability, and resistance to corrosion and extreme temperatures. It can withstand high pressure and can be easily fabricated into different shapes and sizes, making it versatile for various piping applications. Additionally, its smooth surface ensures efficient flow of fluids and reduces friction losses.
- Q: How do you transport steel pipes safely?
- Transporting steel pipes safely requires proper planning, equipment, and adherence to safety measures. Here are some guidelines to ensure the safe transportation of steel pipes: 1. Choose appropriate transportation equipment: Use a flatbed trailer or a truck with a flatbed to transport steel pipes. Ensure that the trailer or truck has a strong and secure tie-down system to prevent the pipes from shifting during transit. 2. Secure the pipes: Use nylon or steel straps to secure the steel pipes to the trailer or truck bed. Make sure the straps are tightened properly, evenly distributing the weight of the pipes and preventing any movement or shifting. 3. Protect the pipes: Use pipe chocks or padding materials such as foam or rubber to prevent the pipes from rolling or rubbing against each other during transportation. This helps to minimize potential damage and maintain the integrity of the pipes. 4. Observe weight limits: Ensure that the weight of the steel pipes being transported does not exceed the load capacity of the transportation equipment. Overloading can lead to instability and compromise safety. 5. Follow road safety regulations: Adhere to all local traffic laws and regulations, including speed limits and securing all necessary permits or licenses for oversized loads if required. Additionally, use hazard warning signs or flags when transporting long or oversized steel pipes to alert other road users. 6. Conduct regular inspections: Before starting the journey, inspect the straps, tie-downs, and other securing mechanisms to ensure they are in good condition. Regularly check the load during transit to ensure it remains secure. 7. Plan the route: Choose a route that is suitable for the size and weight of the steel pipes being transported. Avoid roads with low bridges, narrow lanes, or weight restrictions that may pose a risk to the safe transportation of the pipes. 8. Consider weather conditions: Take into account weather conditions, such as strong winds or heavy rain, which can affect the stability of the load. Adjust the transport plan accordingly or delay the journey if necessary. 9. Train and educate drivers: Ensure that the drivers responsible for transporting steel pipes are well-trained and aware of the proper procedures for securing and transporting the load safely. Regularly update them on safety protocols and any changes in regulations. By following these guidelines, you can transport steel pipes safely, minimizing the risk of accidents, damage to the pipes, and ensuring the safety of everyone involved in the transportation process.
- Q: Fastener type steel pipe scaffold external parts name
- Steel pipeScaffold steel pipe should adopt outer diameter 48mm and wall thickness 3.5mm welded steel pipe, also can use outer diameter 51mm and wall thickness 3.1mm welded steel pipe. For horizontal horizontal rods, the maximum length of steel pipe shall not be greater than 2m; other poles shall not be greater than 6.5m, and the maximum mass of each steel tube shall not exceed 25kg, so as to be suitable for manual handling.
- Q: What are the factors affecting the cost of steel pipes?
- The factors affecting the cost of steel pipes include raw material prices, production and manufacturing costs, transportation and logistics expenses, market demand and supply dynamics, import and export tariffs, government regulations, and the overall economic conditions. Additionally, factors such as the grade and quality of steel used, diameter and thickness of the pipes, and any additional features or coatings can also influence the cost.
- Q: What are the different factors affecting the flow rate of steel pipes?
- The flow rate of steel pipes can be affected by multiple factors. Let's explore some of these factors: 1. Pipe diameter: The size of the pipe plays a significant role in determining the flow rate. Generally, larger pipes allow for greater flow rates as they provide a larger cross-sectional area for the fluid to pass through. 2. Pipe length: The length of the pipe also impacts the flow rate. Longer pipes tend to have higher friction losses, which can decrease the flow rate. Moreover, longer pipes may require higher pressure to maintain the desired flow rate. 3. Fluid viscosity: The viscosity of the fluid passing through the pipe is an important consideration. Viscous fluids, such as heavy oils, exhibit higher resistance to flow, resulting in lower flow rates. Conversely, less viscous fluids, like water, encounter lower resistance and can achieve higher flow rates. 4. Pressure difference: The pressure difference across the pipe serves as a driving force for flow. A higher pressure difference will lead to a higher flow rate, while a lower pressure difference will reduce the flow rate. 5. Surface roughness: The roughness of the inner pipe surface influences the flow rate. Rough surfaces generate more turbulence and friction, thus resulting in a lower flow rate. Conversely, smoother surfaces minimize turbulence and friction, allowing for a higher flow rate. 6. Temperature: The temperature of the fluid can impact its viscosity and density, which subsequently affect the flow rate. Higher temperatures generally decrease the viscosity of fluids, leading to increased flow rates. 7. Pipe material: The choice of pipe material impacts the flow rate due to varying roughness and resistance. Steel pipes, for instance, typically possess a smoother inner surface compared to pipes made of other materials, resulting in higher flow rates. 8. Pipe fittings and bends: The presence of fittings, valves, and bends in the pipe can cause flow restrictions and pressure drops, which can decrease the flow rate. Proper design and placement of these components can minimize their impact on the flow rate. Understanding the interplay of these factors is essential for the design and optimization of fluid flow systems involving steel pipes.
- Q: Are steel pipes suitable for potable water applications?
- Yes, steel pipes are suitable for potable water applications. They are commonly used in water distribution systems due to their durability, strength, and resistance to corrosion. However, proper coating and lining techniques should be employed to ensure the water remains safe for consumption and to prevent any potential leaching of contaminants from the pipe material.
- Q: Can steel pipes be used for hydropower generation?
- Yes, steel pipes can be used for hydropower generation. Steel pipes are commonly used in hydropower systems for various purposes such as penstocks and pipelines. Penstocks are large steel pipes that carry water from a reservoir to a turbine, where the force of the flowing water is converted into rotational energy. These pipes need to be strong and durable to withstand the high pressure of water and the weight of the structure. Additionally, steel pipes are also used for pipelines that transport water from the turbine back to the river or reservoir. Overall, steel pipes are an essential component in hydropower generation due to their strength, durability, and ability to withstand the harsh conditions of water flow.
- Q: What is the outer diameter and wall thickness of DN40 steel pipe?
- DN40, refers to the diameter of 40mm, that is, an inch and a half, there are welded pipe and galvanized pipe,Ordinary wall thickness 3.5mm wt 3.84kg/mThicken 4.25mm weight 4.58kg/m
- Q: 20# seamless steel pipe and seamless steel pipe 20G what is the difference?
- The difference is: 20# ordinary steel seamless steel pipe. 20G is the type of steel for high pressure boiler tubes.
- Q: What are the different methods of insulating steel pipes?
- There exists a variety of methods for insulating steel pipes, depending on the specific needs and requirements of the application. Some commonly utilized methods include: 1. Insulation wraps: By enveloping the steel pipes with insulating materials such as fiberglass, mineral wool, or foam insulation and securing them tightly with adhesive or tape, insulation wraps offer a cost-effective and straightforward installation option favored by many. 2. Insulation coatings: Applying a layer of insulating material directly onto the surface of the steel pipe, insulation coatings made from materials like epoxy, polyurethane, or polyethylene protect against corrosion and temperature fluctuations, making them ideal for harsh environments. 3. Insulation jackets: Utilizing pre-fabricated insulation jackets designed to fit over the steel pipes, this method combines insulation materials with a weatherproof outer layer. Insulation jackets are commonly employed for outdoor or exposed pipelines, providing excellent insulation and protection against external elements. 4. Insulation foam: Injecting foam insulation into the space between the steel pipe and an outer casing, the foam expands and hardens to create a sealed and well-insulated layer. Apart from preventing heat loss or gain, foam insulation also offers remarkable soundproofing properties. 5. Insulation tapes: Specially designed insulation tapes made from PVC or rubber, possessing good insulating properties, are wrapped around smaller pipes or joints. This flexible and easy-to-apply solution is commonly employed. When selecting the appropriate method to insulate steel pipes, it is crucial to consider factors such as operating temperature, environmental conditions, and specific application requirements. Seeking advice from a professional or insulation specialist can assist in determining the most suitable insulation method for individual needs.
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Seamless Hot Rolled Steel Pipe 4"-12"
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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