SPIRAL STEEL PIPE 42’‘46’‘48‘‘50’‘ LARGE DIAMETER PIPE
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 3000 m.t./month
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Packaging & Delivery
Packaging Detail: | standard export packing or as customer's requirement |
Delivery Detail: | within 10 - 30 days |
Specifications
Spiral Welded Steel Pipes and Tubes
1.Material:Q195-Q235
2.Length:1-12m
3.WT:1.0-14mm
4.O.D.:20-273mm
Spiral Welded Steel Pipes and Tubes
Product Description:
1.Material : Q235,Q345,L245,L290,L360,L415,L450,L485,GrB,X42,46,X52,X56,X60,X65,X70,X80,X100
2,Standard: SY/T5037-2000,GB/T9711-2011,API Spec 5L PSL1/PSL2,ASTM A252\A53,ISO3183,DIN17172,EN10217,JIS G3457,AWWA C200,ASTM A139,ASTM A671,ASTM A672
3.Wall thickness: 3.0mm-30mm
4.Outer diameter: φ168mm-3020mm
5,Length: 5m-12m or as your requirement
6,Corrosion protection standard: DIN30670,DIN30671, AWWAC210, AWWA C203, SY/T0413-2002,SY/T0414-2002
7,Application: Oil, gas, natural gas, water pipe, thermal electricity pipe, steel structure engineering, etc
Q195-q345 Material Steel Pipe's Materials
Elements | Chemical Compsition% | Mechanical Property | ||||||
C% | Mn% | S% | P% | Si% | Yield Point (Mpa) | Tensile Strength(Mpa) | Elongation | |
Q195 | 0.06-0.12 | 0.25-0.50 | <0.050< span=""> | <0.045< span=""> | <0.030< span=""> | >195 | 315-430 | 32-33 |
Q215 | 0.09-0.15 | 0.25-0.55 | <0.05< span=""> | <0.045< span=""> | <0.030< span=""> | >215 | 335-450 | 26-31 |
Q235 | 0.12-0.20 | 0.30-0.70 | <0.045< span=""> | <0.045< span=""> | <0.030< span=""> | >235 | 375-500 | 24-26 |
Q345 | <0.20< span=""> | 1.0-1.6 | <0.040< span=""> | <0.040< span=""> | <0.55< span=""> | >345 | 470-630 | 21-22 |
- Q:What is the difference between steel pipe and fiberglass pipe?
- Steel pipe and fiberglass pipe differ in terms of material composition, durability, flexibility, and cost. Steel pipe is made of steel, which provides strength and resilience, making it ideal for high-pressure applications and underground installations. Fiberglass pipe, on the other hand, is composed of reinforced plastic fibers, resulting in a lightweight and corrosion-resistant material suitable for above-ground and corrosive environments. While steel pipe offers higher tensile strength, fiberglass pipe excels in its flexibility, allowing for easier installation and reduced maintenance. Additionally, steel pipe is typically more expensive due to the cost of materials and manufacturing processes, while fiberglass pipe is more cost-effective in terms of initial installation and long-term maintenance.
- Q:How do you determine the pipe schedule for steel pipes?
- Several factors, including pressure rating, wall thickness, and outer diameter, are taken into account to determine the pipe schedule for steel pipes. The pipe schedule serves as a standardized system that classifies the thickness of pipe walls, ensuring compatibility and safety in various applications. To ascertain the pipe schedule for steel pipes, one must consider the maximum pressure the pipe will endure, typically measured in pounds per square inch (psi) or bars. The pressure rating indicates the pipe's ability to withstand pressure without experiencing failure or leakage. Higher pressure ratings necessitate thicker pipe walls. Another crucial factor in determining the pipe schedule is the wall thickness, typically expressed in inches or millimeters. The wall thickness directly correlates with the pressure rating, as thicker walls have the capacity to handle higher pressures. The American National Standards Institute (ANSI) has established a set of standardized wall thicknesses for steel pipes known as the "pipe schedule." The outer diameter of the pipe is also taken into consideration when determining the pipe schedule. The specific application and requirements influence the outer diameter variation. Selecting a pipe with the appropriate outer diameter is essential to ensure proper fit and compatibility with fittings, valves, and other components. In conclusion, the pipe schedule for steel pipes is determined by examining the maximum pressure, wall thickness, and outer diameter. By aligning these factors with the suitable pipe schedule, one can guarantee that the steel pipe is appropriate for its intended usage and capable of withstanding the required pressure.
- Q:What is the difference between steel pipe and polyethylene pipe?
- The main difference between steel pipe and polyethylene pipe lies in their materials and properties. Steel pipe is made from a durable and strong material, which makes it suitable for high-pressure applications and environments where strength is crucial. On the other hand, polyethylene pipe is made from a plastic material that offers flexibility and resistance to corrosion, making it ideal for underground and aboveground installations. Additionally, steel pipe requires welding or threading for connections, while polyethylene pipe uses fusion or mechanical fittings. Ultimately, the choice between steel pipe and polyethylene pipe depends on the specific requirements of the project and the desired characteristics needed.
- Q:How are steel pipes used in offshore wind farms?
- Steel pipes are used in offshore wind farms for a variety of purposes. They are commonly used as foundation structures to support wind turbine towers, providing stability and strength in the harsh marine environment. Steel pipes are also used for subsea cables and pipelines, allowing for the transportation of electricity and other resources. Additionally, they play a crucial role in the installation of offshore wind turbines, serving as installation aids and providing access for maintenance and repair activities. Overall, steel pipes are essential components in the construction, operation, and maintenance of offshore wind farms.
- Q:What is the difference between hot dip galvanized steel pipe and galvanized steel pipe?
- Galvanized steel pipe is commonly known as "cold plated tube", using electroplating process, only galvanized steel pipe in the outer wall, the wall of the pipe is not galvanizedHot dip galvanized steel pipe adopts hot-dip galvanizing process, and the inner and outer walls of the steel pipe have zinc coating.
- Q:What are the common sizes of steel pipes available?
- The specific industry or application determines the availability of common sizes of steel pipes. However, different industries commonly use several standard sizes. These sizes are usually identified by their nominal pipe size (NPS) or outside diameter (OD). Steel pipes are commonly found in sizes such as 1/8 inch, ¼ inch, ½ inch, ¾ inch, 1 inch, 1 ¼ inch, 1 ½ inch, 2 inch, 2 ½ inch, 3 inch, 3 ½ inch, 4 inch, 5 inch, 6 inch, 8 inch, 10 inch, 12 inch, 14 inch, 16 inch, 18 inch, 20 inch, 24 inch, 26 inch, 30 inch, 36 inch, 42 inch, 48 inch, and 54 inch. These sizes are widely used in various applications, including plumbing, construction, oil and gas pipelines, structural supports, and industrial processes. It is important to note that these sizes may slightly differ according to industry standards or requirements. Moreover, steel pipes are available in different wall thicknesses known as schedules. The most commonly used schedules are schedule 40, schedule 80, schedule 160, and schedule XXS (extra extra strong). The schedule number indicates the pipe's wall thickness, with higher numbers indicating thicker walls. To summarize, the available common sizes of steel pipes range from 1/8 inch to 54 inches in diameter. These sizes are commonly used in different industries and applications, and their wall thickness can vary based on the specific schedule.
- Q:How are steel pipes classified based on their diameter?
- Steel pipes are classified based on their diameter by categorizing them into different size ranges, such as small diameter pipes, medium diameter pipes, and large diameter pipes.
- Q:How are steel pipes used in the transportation industry?
- Steel pipes are commonly used in the transportation industry for various purposes such as the construction of pipelines, including oil and gas pipelines, water pipelines, and sewage pipelines. They are also used in the manufacturing of automotive parts, such as exhaust systems, and in the construction of infrastructure such as bridges and tunnels. Additionally, steel pipes are used in the transportation of goods through shipping containers and railway tracks.
- Q:How do steel pipes handle pressure surges?
- Steel pipes are designed to handle pressure surges effectively due to their inherent strength and durability. The high tensile strength of steel allows it to withstand significant pressure fluctuations without deforming or bursting. Additionally, the seamless construction of steel pipes ensures a smooth and continuous flow, minimizing the impact of pressure surges. Furthermore, steel pipes can be reinforced with additional support structures, such as braces or anchors, to further enhance their ability to handle pressure surges.
- Q:What is the bending strength of steel pipes?
- The bending strength of steel pipes can vary depending on factors such as the grade and thickness of the steel, as well as the specific manufacturing process. However, in general, steel pipes are known for their high bending strength due to the inherent strength and durability of the material.
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SPIRAL STEEL PIPE 42’‘46’‘48‘‘50’‘ LARGE DIAMETER PIPE
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 3000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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