Steel Pipe --Various Standard Rectangular Steel Pipe
- Ref Price:
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- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 8000 m.t./month
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1、Structure of Rectangular Steel Pipe API SPEC 5CT:
Rectangular Steel Pipe is to be used for conveying gas, water, and petroleum foroil and natural gas industries. And used for structural steel pies purpose. As the manufacturing process does not include any welding, Rectangular Steel Pipe are perceived to be stronger and more reliable. Historically Rectangular Steel Pipe was regarded as withstanding pressure better than other types, and was often more easily available than welded pipe.
2、Main Features of Rectangular Steel Pipe API SPEC 5CT:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、Rectangular Steel Pipe API SPEC 5CT: 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 Rectangular Steel Pipe API SPEC 5CT:
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、 Rectangular Steel Pipe API SPEC 5CT: Images：
- Q: How are steel pipes used in the manufacturing sector?
- Steel pipes are used in the manufacturing sector for various purposes such as transporting fluids and gases, supplying water, and carrying out structural applications. They are commonly used in industries like oil and gas, construction, automotive, and aerospace for their durability, strength, and resistance to corrosion. Additionally, steel pipes are crucial in the manufacturing of machinery, equipment, and infrastructure, making them essential components in many manufacturing processes.
- Q: How do you calculate the pipe friction loss for steel pipes?
- The pipe friction loss for steel pipes can be calculated using the Darcy-Weisbach equation, which takes into account the pipe diameter, length, roughness, flow rate, and fluid properties. This equation considers the pressure drop caused by friction as the fluid flows through the pipe. By solving this equation, the pipe friction loss can be determined.
- Q: What is the difference between steel pipe and tubing?
- Steel pipe and tubing are both used in various applications, but they have distinct differences. The primary difference between steel pipe and tubing lies in their shape and dimensions. Steel pipe is typically round in shape and has a hollow interior. It is manufactured in a variety of sizes and thicknesses to accommodate different pressure and temperature requirements. Steel pipe is commonly used in construction, plumbing, and oil and gas industries for conveying fluids or gases. On the other hand, steel tubing can come in various shapes, including round, square, and rectangular. Unlike steel pipe, tubing is often measured by its outside diameter and wall thickness. Steel tubing is commonly used in structural applications, such as building frames, automotive components, and machinery. Another difference between steel pipe and tubing is their manufacturing process. Steel pipe is typically made from solid steel billets that are heated and stretched to create a seamless or welded tube. Tubing, on the other hand, can be produced through various methods, including hot or cold rolling, welding, or extrusion. In terms of strength and durability, both steel pipe and tubing offer excellent qualities. However, the specific requirements of the application will determine which one is more suitable. Steel pipe is often chosen for high-pressure or high-temperature applications, while steel tubing is preferred for structural purposes or when a specific shape is required. In summary, the main difference between steel pipe and tubing lies in their shape, measurement methods, and manufacturing processes. While steel pipe is round and measured by its inside diameter, tubing can come in various shapes and is typically measured by its outside diameter. Both steel pipe and tubing are widely used in different industries, but the choice depends on the specific application and requirements.
- Q: What is the role of steel pipes in power plants?
- Steel pipes play a crucial role in power plants as they are used for the transportation of various fluids, such as water, steam, and oil, throughout the facility. They provide a reliable and durable means of conveying these substances under high pressure and extreme temperatures, ensuring the smooth operation of power generation processes. Additionally, steel pipes are also utilized for structural support in power plant construction, serving as a vital component in the overall infrastructure of the facility.
- Q: What are the challenges faced in transporting steel pipes?
- Some of the challenges faced in transporting steel pipes include their large size and weight, which can make them difficult to handle and transport. Additionally, their shape can make it challenging to secure them properly during transportation to prevent damage or accidents. The corrosive nature of steel pipes can also pose a challenge, as special precautions need to be taken to protect them from rust or other forms of damage during transportation. Finally, the cost of transportation can be a challenge, as steel pipes often require specialized equipment and vehicles, which can be expensive to rent or purchase.
- 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: How do you calculate the pipe pressure loss coefficient for steel pipes?
- To calculate the pipe pressure loss coefficient for steel pipes, you can use the Darcy-Weisbach equation, which is a widely accepted method for determining the pressure loss in pipes due to friction. The equation is as follows: ΔP = f × (L/D) × (V^2/2g) Where: - ΔP is the pressure loss (in units of pressure, such as psi or Pa) - f is the Darcy friction factor (dimensionless) - L is the length of the pipe (in units of length, such as feet or meters) - D is the diameter of the pipe (in units of length, such as feet or meters) - V is the velocity of the fluid flowing through the pipe (in units of velocity, such as ft/s or m/s) - g is the acceleration due to gravity (in units of acceleration, such as ft/s² or m/s²) The Darcy friction factor (f) is a dimensionless parameter that represents the amount of frictional resistance in the pipe. For steel pipes, the friction factor can be determined using the Moody diagram, which is a graphical representation of the relationship between the Reynolds number (Re) and the friction factor (f) for different pipe roughness. To calculate the pressure loss coefficient, you need to find the value of the friction factor (f) based on the Reynolds number (Re) and the relative roughness of the steel pipe (ε/D). The Reynolds number is given by: Re = (ρ × V × D) / μ Where: - ρ is the density of the fluid (in units of mass per unit volume, such as lb/ft³ or kg/m³) - V is the velocity of the fluid (in units of velocity, such as ft/s or m/s) - D is the diameter of the pipe (in units of length, such as feet or meters) - μ is the dynamic viscosity of the fluid (in units of force per unit area per unit time, such as lb/ft·s or kg/m·s) Once you have the Reynolds number (Re) and the relative roughness (ε/D), you can use the Moody diagram to find the corresponding friction factor (f). The pressure loss coefficient (K) can then be calculated as: K = f × (L/D) Where: - L is the length of the pipe (in units of length, such as feet or meters) - D is the diameter of the pipe (in units of length, such as feet or meters) By using the Darcy-Weisbach equation and the Moody diagram, you can accurately calculate the pressure loss coefficient for steel pipes, which is essential for designing and analyzing fluid flow systems.
- Q: How are steel pipes used in the manufacturing of food processing equipment?
- Steel pipes are commonly used in the manufacturing of food processing equipment due to their durability, corrosion resistance, and ability to handle high temperatures. They are used to transport liquids, gases, and food products within the equipment, ensuring hygienic and efficient operation. Additionally, steel pipes can be easily cleaned and sanitized, making them ideal for maintaining food safety standards in the manufacturing process.
- Q: Can steel pipes be painted?
- Yes, steel pipes can be painted. Painting steel pipes not only enhances their appearance but also provides protection against corrosion and rust. The process typically involves cleaning the pipes thoroughly, applying a primer, and then coating them with a suitable paint.
- Q: Are steel pipes resistant to UV degradation?
- No, steel pipes are not resistant to UV degradation.
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Steel Pipe --Various Standard Rectangular Steel Pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 8000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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