SPIRAL STEEL PIPE 54‘‘ 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: Are steel pipes suitable for industrial cooling systems?
- Yes, steel pipes are suitable for industrial cooling systems. They are highly durable, resistant to corrosion, and can withstand high pressures and temperatures. Additionally, steel pipes have excellent heat transfer properties, making them efficient for cooling applications.
- Q: What's the material of Q325 steel pipe?
- Plain carbon structural steelIt's a kind of steel material. Q stands for the yield of this material, and the latter 325 means the yield value of this material, at around 325. And the yield value will decrease as the thickness of the material increases.
- Q: What are the different types of joints used with steel pipes?
- Steel pipes commonly use several types of joints, depending on the specific application and requirements. Some of the most frequently used types are as follows: 1. Butt Joint: This type of joint is the most basic, involving the alignment and welding of two pipes at their ends. It creates a strong and continuous connection, but reinforcement may be necessary depending on the pipe's size and pressure rating. 2. Socket Weld Joint: Smaller diameter pipes often utilize this joint, where one pipe is inserted into the socket of another and then welded together. It provides good strength and resistance against leaks. 3. Threaded Joint: A threaded joint involves screwing together two pipes with threaded ends. It is commonly used in low-pressure applications and necessitates the use of pipe threads and sealants for a tight and leak-free connection. 4. Flanged Joint: In high-pressure applications, a flanged joint connects two pipes by bolting together flanges at their ends. This type of joint allows for easy disconnection and maintenance. 5. Grooved Joint: A grooved coupling is placed around the ends of two pipes in a grooved joint, which is then secured with bolts. This joint is commonly used in fire protection systems due to its quick installation and easy maintenance. 6. Welded Joint: A welded joint involves fusing two pipes together using various welding techniques like GTAW or GMAW. It provides a strong and permanent connection but requires skilled labor and additional equipment. Each type of joint has its own advantages and limitations, and the selection depends on factors such as pipe size, pressure rating, application, and installation requirements. Choosing the appropriate joint is crucial to ensure the integrity and reliability of the steel pipe system.
- Q: How are steel pipes used in the construction of dams?
- Steel pipes are commonly used in the construction of dams for various purposes such as water diversion, drainage, and foundation reinforcement. They are used to transport water from one area to another, diverting it away from the construction site or controlling its flow within the dam. Steel pipes are also employed for drainage systems to prevent water accumulation and to ensure the stability of the dam structure. Additionally, they play a crucial role in reinforcing the foundation of the dam, providing strength and support to the overall structure.
- Q: Are steel pipes fire resistant?
- Indeed, steel pipes possess fire-resistant properties. Steel, being a non-combustible substance, does not ignite or aid in the propagation of flames. Moreover, steel pipes exhibit a remarkable resistance to high temperatures, allowing them to endure extreme conditions. Consequently, they are ideal for situations demanding fire resistance. Furthermore, steel is a resilient material that maintains its structural integrity and does not deteriorate when subjected to fire. Consequently, steel pipes are frequently selected for fire protection systems, including building sprinkler systems, as well as for industrial purposes when confronted with fire risks.
- Q: Can steel pipes be used for wastewater treatment?
- Indeed, wastewater treatment can make use of steel pipes. The construction of wastewater treatment plants and systems frequently incorporates steel pipes owing to their robustness, resilience, and resistance to corrosion. Their exceptional suitability lies in their capacity to handle the transportation and distribution of wastewater, given their ability to withstand substantial pressure and temperature fluctuations. Moreover, steel pipes have the potential to be coated or lined with materials that offer supplementary protection against corrosion and chemical reactions with the wastewater. Nonetheless, it is crucial to ensure the adequate upkeep, inspection, and replacement of steel pipes when required, to avert potential leaks or failures that could jeopardize the wastewater treatment process.
- Q: How do you calculate the pipe pressure drop coefficient for steel pipes?
- To calculate the pipe pressure drop coefficient for steel pipes, you can use the Darcy-Weisbach equation, which takes into account factors such as the pipe length, diameter, roughness, and fluid flow rate. The coefficient can be determined using empirical correlations or charts based on these parameters, ensuring accurate estimation of pressure drop in steel pipes.
- Q: What's the use of steel pipe?
- Steel pipe is not only used to transport fluid and powder solid, exchange heat energy, and manufacture mechanical parts and containers, but also is an economic steel. It can reduce weight and save 20 to 40% of metal by using steel pipe to make building structure, network frame, prop and mechanical support. Moreover, it can realize factory mechanization construction. (
- Q: What are the common applications of steel pipes?
- Steel pipes have a wide range of common applications in various industries including oil and gas transportation, plumbing systems, structural support in construction, irrigation systems, and industrial processes such as water and wastewater treatment.
- Q: What is the cost of steel pipes compared to other piping materials?
- The cost of steel pipes can vary depending on factors such as size, thickness, and grade. However, generally speaking, steel pipes tend to be more expensive than other piping materials such as PVC or copper. This is due to the durability, strength, and longevity of steel pipes, making them a preferred choice for various industrial and construction applications.
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SPIRAL STEEL PIPE 54‘‘ 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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