SPIRAL STEEL PIPE 48‘‘ ASTM API 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 are the different strategies for pipe laying using steel pipes?
- There are several strategies for pipe laying using steel pipes, each suited for different environments and requirements. Here are some of the commonly used strategies: 1. Open Trench: This is the most traditional and widely used method, where a trench is dug along the desired pipeline route. Steel pipes are then laid in the trench, aligned, and welded together. This method allows for easy access, maintenance, and repair of the pipeline. 2. Direct Pipe: This method is used when there are crossings under obstacles such as rivers or highways. It involves drilling a borehole from one side to the other, while simultaneously laying the steel pipe. The pipe is then pulled through the borehole, creating a continuous pipeline. 3. Horizontal Directional Drilling (HDD): HDD is employed when the pipeline needs to be installed under existing infrastructure or environmentally sensitive areas. A pilot hole is drilled horizontally, and the steel pipe is then pulled through the hole using a reaming tool. This technique minimizes disruption to the surface and reduces environmental impact. 4. Sliplining: Sliplining involves inserting a smaller diameter steel pipe into an existing larger pipe. The smaller pipe is pushed or pulled into the larger pipe, providing a new corrosion-resistant lining. This method is commonly used for rehabilitating deteriorated or damaged pipelines. 5. Microtunneling: Microtunneling is similar to HDD, but it involves a microtunnel boring machine (MTBM) that excavates the soil and installs the steel pipe simultaneously. This method is often used for precision pipe laying, especially in urban areas with limited space. 6. Jacking: Jacking, also known as pipe jacking or pipe ramming, is utilized for installing steel pipes in soil conditions that are not suitable for open trenching. This method involves pushing the steel pipe into the ground using hydraulic jacks or pneumatic rams. It is commonly used for crossing under railways, roads, or buildings. 7. Offshore Pipeline Laying: For subsea applications, steel pipes can be laid using a variety of techniques, such as S-lay, J-lay, or reel-lay. These methods involve deploying the pipeline from a vessel, either vertically or at an inclined angle, and welding the steel pipes together as they are lowered to the seabed. Each of these strategies has its own advantages and considerations, depending on factors such as terrain, environmental impact, existing infrastructure, and project requirements. It is important to carefully evaluate these factors and select the most suitable pipe laying strategy to ensure the safe and efficient installation of steel pipes.
- Q:Welded and seamless steel pipe how to distinguish?
- Different uses:Mainly used for seamless pipe or structural parts of the transmission fluid, mainly used in machinery industry, and seamed steel pipe is mainly used in the construction industry, such as water, gas, compressed air and low pressure fluid. But seamless steel tubes are used in all pressure pipes.
- Q:How are steel pipes used in the construction of dams and water reservoirs?
- Steel pipes are commonly used in the construction of dams and water reservoirs due to their durability, strength, and ability to withstand high pressure and heavy loads. These pipes are utilized in various important aspects of dam and reservoir construction. One of the main uses of steel pipes in these structures is for the transportation of water. Steel pipes are used to convey water from the source, such as a river or stream, to the reservoir or dam. These pipes are designed to withstand the high water pressure and ensure that there is a continuous flow of water to the reservoir. The durability of steel pipes allows them to remain intact even in harsh conditions and environments. In addition to transporting water, steel pipes are also used for drainage purposes. They are used to create drainage systems that help regulate the water level in the reservoir or dam. These pipes are strategically placed to control the flow of water and prevent any potential flooding or overflow. Steel pipes are also used in the construction of the spillways and outlets in dams and reservoirs. Spillways are designed to release excess water from the reservoir during heavy rainfall or when the water level is too high. Steel pipes are used in the construction of these spillways to provide a controlled path for the water to flow out of the reservoir, preventing any damage to the dam or surrounding areas. Furthermore, steel pipes are utilized in the construction of penstocks, which are large pipes that transport water from the reservoir to the turbines in a hydropower plant. The pressure generated by the water in these pipes is used to drive the turbines and generate electricity. The strength and durability of steel pipes are crucial for ensuring the smooth and efficient operation of hydropower plants. Overall, steel pipes play a vital role in the construction of dams and water reservoirs. Their durability, strength, and ability to withstand high pressure make them an ideal choice for various aspects of these structures, including water transportation, drainage systems, spillways, and penstocks.
- Q:Are steel pipes suitable for underground sewage lines?
- Yes, steel pipes are suitable for underground sewage lines. They are strong, durable, and resistant to corrosion, making them an excellent choice for sewage systems.
- Q:What are the different types of steel pipe connections?
- There are several types of steel pipe connections, including threaded connections, welded connections, flanged connections, grooved connections, and compression connections.
- Q:How are steel pipes used in the telecommunications infrastructure industry?
- Steel pipes are commonly used in the telecommunications infrastructure industry for various purposes such as supporting overhead cables, protecting underground cables, and providing structural stability to transmission towers and equipment.
- Q:Are steel pipes suitable for offshore drilling platforms?
- Yes, steel pipes are suitable for offshore drilling platforms. Steel pipes are known for their high strength, durability, and resistance to corrosion, making them ideal for withstanding the harsh and corrosive marine environment. Additionally, steel pipes have excellent load-bearing capacity and can handle the high pressure and extreme conditions associated with offshore drilling operations.
- Q:How are steel pipes used in the construction of oil refineries?
- Steel pipes are extensively used in the construction of oil refineries for various purposes. They are primarily used for transporting crude oil, refined petroleum products, and various chemicals within the refinery complex. Steel pipes are also utilized for the distribution of water, steam, and other fluids required for the refining processes. Additionally, they are employed in the construction of equipment such as heat exchangers, reactors, and storage tanks, where they provide structural support and ensure efficient fluid flow. Overall, steel pipes play a critical role in the reliable and safe operation of oil refineries.
- Q:How are steel pipes used in geothermal energy systems?
- Steel pipes are an essential component in geothermal energy systems as they are used to transport the hot water or steam extracted from the underground reservoirs to the surface. These pipes are designed to withstand high temperatures and pressure, ensuring the safe and efficient transfer of geothermal fluids. Additionally, steel pipes are also utilized in the construction of geothermal power plants, connecting various components like heat exchangers and turbines, facilitating the generation of renewable and sustainable energy.
- Q:What is the role of steel pipes in HVAC systems?
- Steel pipes are crucial components in HVAC systems as they are used to transport hot and cold water throughout the system. They provide a durable and reliable means of distributing heat or cooling energy to various parts of a building. Steel pipes are known for their high strength and resistance to corrosion, making them an ideal choice for HVAC applications.
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SPIRAL STEEL PIPE 48‘‘ ASTM API 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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