Seamless Hot Rolled Steel Pipe >114.3 MM
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- -
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1、Structure of Seamless Pipe :
Seamless pipe is produced by drawing a solid billet over a piercing rod to create the hollow shell. As welding is not included in the manufacturing process , seamless pipes are stronger and more reliable.
2、Main Features of the Seamless Pipe :
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Great 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 |
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?
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?
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”.Please trust the quotation we would give you, it is professional one.
③Why should you chose us?
We believe: 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、Seamless Pipe Images：
- Q: Does seamless steel tube have a bend of 135 degrees?
- In engineering, it is usually marked as "45 elbow" and has no "135" mark. The angle of the elbow is acute, so there will be no more than 90 degrees elbow.
- Q: How do you calculate the pipe flow velocity coefficient for steel pipes?
- The pipe flow velocity coefficient for steel pipes can be calculated using the Manning's equation. Manning's equation is used to calculate the flow velocity in open channels and pipes, and it takes into account the hydraulic radius, slope, and roughness coefficient of the pipe. To calculate the pipe flow velocity coefficient for steel pipes, follow these steps: 1. Determine the hydraulic radius (R) of the steel pipe. The hydraulic radius is calculated by dividing the cross-sectional area of the pipe (A) by the wetted perimeter (P). The formula is R = A/P. 2. Find the slope (S) of the pipe. The slope represents the change in elevation divided by the length of the pipe. It is usually given as a ratio or a percentage. 3. Determine the roughness coefficient (n) of the steel pipe. The roughness coefficient represents the internal roughness of the pipe and can be obtained from literature or pipe manufacturer specifications. It is commonly given in terms of the Manning's roughness coefficient. 4. Substitute the values of hydraulic radius (R), slope (S), and roughness coefficient (n) into the Manning's equation: V = (1/n) * R^(2/3) * S^(1/2) where V is the flow velocity. 5. Solve the equation for V to calculate the pipe flow velocity coefficient for steel pipes. It is important to note that the calculated velocity coefficient may vary based on the specific pipe dimensions, flow conditions, and other factors. Therefore, it is recommended to consult relevant engineering standards or consult with a hydraulic engineer to ensure accurate and reliable calculations for specific applications.
- Q: How do you determine the weight per foot of a steel pipe?
- To determine the weight per foot of a steel pipe, you need to consider two main factors: the thickness and the diameter of the pipe. First, you need to measure the outer diameter (OD) and the wall thickness (WT) of the pipe using a caliper or a measuring tape. Once you have these measurements, you can calculate the inner diameter (ID) by subtracting twice the wall thickness from the outer diameter (ID = OD - 2 * WT). Next, use the formula for the cross-sectional area of a pipe (A = π * (OD^2 - ID^2) / 4) to calculate the cross-sectional area. Finally, multiply the cross-sectional area by the density of the steel, which is typically around 490 pounds per cubic foot, to determine the weight per foot of the steel pipe. Weight per foot (WPF) = A * 490 It's important to note that this calculation provides an estimate of the weight per foot, as manufacturing tolerances and slight variations in the density of the steel may affect the actual weight. Therefore, it is recommended to use this calculation as a guide and consult the manufacturer's specifications for more precise information.
- Q: Are steel pipes suitable for underground chemical transport?
- No, steel pipes are not suitable for underground chemical transport as they can corrode and react with certain chemicals, posing safety risks and potentially contaminating the transported substances.
- Q: How are steel pipes used in the defense sector?
- Steel pipes are used in the defense sector for various purposes such as constructing military infrastructure, manufacturing weapons, and creating protective barriers. They are often utilized in the construction of military bases, ammunition storage facilities, and communication systems. Steel pipes are also crucial for manufacturing armored vehicles, artillery, and missile systems. Additionally, they are employed in creating barriers and fortifications to enhance security and defense capabilities.
- Q: Seamless steel tube 89X4 meters, how heavy?
- The theoretical weight calculation formula of plain carbon steel and alloy steel seamless pipe:W=0.02466 (D-S) S, the density of steel fand 7.85kg/dmNote: weight per meter kg/m= (outer diameter wall thickness) * wall thickness *0.02466 units, mm: mmFor example, the seamless steel pipe with a diameter of 89*4 weight per meter:(89-4) *4*0.02466=8.384 kg / M.
- Q: Can steel pipes be used for conveying slurry?
- Indeed, steel pipes possess the capability to serve as a conveyance for slurry. In numerous industries, steel pipes find extensive usage in the transportation of diverse fluid varieties, including slurry. Slurry, a liquid containing suspended solid particles, is effectively accommodated by steel pipes due to their robustness, endurance, and corrosion resistance. The adeptness of steel pipes in managing such mixtures is further enhanced by their ability to handle high pressures and temperatures, rendering them suitable for conveying slurry in arduous applications like mining, dredging, and wastewater treatment. Moreover, the ease of welding steel pipes enables the construction of lengthy pipelines that efficiently facilitate the transport of slurry across considerable distances. Nonetheless, it is vital to consider the specific attributes of the slurry being conveyed, such as particle size, density, and abrasiveness, to ensure the selection and design of pipes that guarantee optimal performance and longevity.
- Q: How are steel pipes used in the renewable energy industry?
- Steel pipes are used in the renewable energy industry for various purposes such as transporting fluids, gases, and steam in thermal power plants, geothermal installations, and solar thermal systems. They are also utilized in the construction of wind turbine towers and the transmission of electricity from renewable energy sources.
- Q: What is the difference between steel pipes and fiberglass-reinforced pipes?
- The main difference between steel pipes and fiberglass-reinforced pipes lies in their composition and structural properties. Steel pipes are made primarily of iron and carbon, which provide high strength and durability. On the other hand, fiberglass-reinforced pipes consist of a composite material that combines a resin matrix with glass fibers, offering excellent corrosion resistance and high tensile strength. Additionally, steel pipes are heavier and require more maintenance, while fiberglass-reinforced pipes are lighter, easier to install, and have a longer lifespan.
- Q: What are the different methods of protecting steel pipes from corrosion?
- There are several methods of protecting steel pipes from corrosion, including: 1. Coatings: Applying protective coatings such as epoxy, polyethylene, or zinc to the surface of the steel pipes can create a barrier against corrosive elements. 2. Cathodic Protection: This method involves installing sacrificial anodes or impressed current systems to provide a protective current that counteracts the corrosion process. 3. Corrosion Inhibitors: Adding chemicals or inhibitors to the fluid or environment surrounding the pipes can reduce the rate of corrosion. 4. Internal Linings: Applying internal linings made of resin, cement, or other materials can protect the inner surface of the pipes from corrosion caused by the transported fluid. 5. Design Considerations: Implementing proper design practices like avoiding sharp bends and crevices, ensuring proper drainage, and using corrosion-resistant alloys can help prevent corrosion in steel pipes.
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Seamless Hot Rolled Steel Pipe >114.3 MM
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- -
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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