• SPIRAL STEEL PIPE 16‘‘ System 1
  • SPIRAL STEEL PIPE 16‘‘ System 2
  • SPIRAL STEEL PIPE 16‘‘ System 3
SPIRAL STEEL PIPE 16‘‘

SPIRAL STEEL PIPE 16‘‘

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Loading Port:
China Main Port
Payment Terms:
TT OR LC
Min Order Qty:
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Supply Capability:
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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
     Material  

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

<0.045

<0.030

>195

315-430

32-33

Q215

0.09-0.15

0.25-0.55

<0.05

<0.045

<0.030

>215

335-450

26-31

Q235

0.12-0.20

0.30-0.70

<0.045

<0.045

<0.030

>235

375-500

24-26

Q345

<0.20

1.0-1.6

<0.040

<0.040

<0.55

>345

470-630

21-22

Q: How do you prevent freezing in steel pipes during cold weather?
To prevent freezing in steel pipes during cold weather, there are several measures that can be taken: 1. Insulate the pipes: Insulation is an effective way to protect steel pipes from freezing. Use insulation sleeves or wraps to cover the pipes, especially in areas where they are exposed to cold temperatures. Insulation helps retain heat and prevents the pipes from reaching freezing temperatures. 2. Seal any air leaks: Check for any gaps or openings around the pipes where cold air can enter. Use caulking or weatherstripping to seal these gaps and prevent cold air from reaching the pipes. 3. Maintain a consistent temperature: Ensure that the area where the pipes are located is adequately heated and insulated. Keeping the temperature above freezing will help prevent the pipes from freezing. If the pipes are exposed to extremely low temperatures, consider using heat tape or pipe heating cables to provide additional warmth. 4. Allow water to flow: Running a small, continuous trickle of water through the pipes can help prevent freezing. The flowing water generates heat and inhibits the formation of ice within the pipes. However, this method should only be used as a last resort, as it can waste water. 5. Drain the pipes: If the steel pipes are in an area that is not regularly used or if freezing weather is expected, it may be advisable to drain the pipes completely. Turn off the water supply and open all faucets to allow the water to drain out. This eliminates any standing water that could freeze and cause the pipes to burst. It is important to note that prevention is key, as frozen steel pipes can lead to costly damages and water leaks. By implementing these measures, you can protect your steel pipes and ensure they remain functional during cold weather.
Q: How are steel pipes used in the construction of stadiums?
Steel pipes are used in the construction of stadiums for various purposes such as supporting the roof structure, creating the framework for seating areas, and providing a sturdy infrastructure for plumbing and ventilation systems.
Q: Can steel pipes be used for transporting liquids and gases?
Yes, steel pipes can be used for transporting liquids and gases. Steel pipes are commonly used in various industries, such as oil and gas, water supply, and chemical processing, due to their durability, strength, and resistance to corrosion. They are capable of safely and efficiently transporting a wide range of liquids and gases over long distances.
Q: Can steel pipes be used for oil refinery applications?
Yes, steel pipes can be used for oil refinery applications. Steel pipes offer many advantages for oil refinery applications including high strength, durability, and resistance to corrosion. They are able to withstand high pressure and temperature conditions that are common in oil refinery operations. Steel pipes are also easy to transport and install, making them a popular choice for oil refinery projects. Additionally, steel pipes can be customized to meet specific requirements such as size, thickness, and coating, making them suitable for a wide range of oil refinery applications.
Q: How are steel pipes used in the oil and gas pipeline transportation?
Steel pipes are used in oil and gas pipeline transportation due to their durability, strength, and resistance to corrosion. They are used to transport crude oil, natural gas, and other petroleum products over long distances. Steel pipes ensure the safe and efficient transfer of these resources from production sites to refineries and distribution centers, ensuring a reliable supply of energy for industries and consumers.
Q: What are the advantages of using steel pipes?
There are several advantages of using steel pipes. Firstly, steel pipes are extremely durable and have a long lifespan, making them a cost-effective choice for various applications. Secondly, steel pipes have high resistance to corrosion, making them suitable for use in harsh environments and underground applications. Thirdly, steel pipes have high strength and can withstand heavy loads, making them ideal for transporting fluids and gases under high pressure. Additionally, steel pipes are versatile and can be easily welded, threaded, or bent to fit specific requirements. Lastly, steel pipes are recyclable, making them an environmentally friendly choice.
Q: What's the difference between seamless steel pipe and welded pipe?
Welded steel pipe, also known as welded pipe, is made of steel or strip after the formation of welding welded steel pipe, usually 6 meters in length. Welded steel pipe production technology is simple, high production efficiency, varieties and specifications, equipment investment is less, but the general strength is lower than seamless steel pipe.
Q: How are steel pipes specified in engineering drawings?
Steel pipes are specified in engineering drawings by providing information such as the diameter, length, wall thickness, material grade, and any other relevant specifications or standards that need to be followed.
Q: What are the common challenges faced during steel pipe installation?
Some common challenges faced during steel pipe installation include obtaining accurate measurements and ensuring proper alignment, dealing with obstructions or difficult terrain, managing the weight and size of the pipes, ensuring proper sealing and connections, and adhering to safety regulations and protocols.
Q: How do steel pipes handle seismic activities?
Steel pipes are designed to have high ductility and strength, allowing them to handle seismic activities effectively. The flexibility of steel pipes allows them to absorb and distribute the energy generated during an earthquake, minimizing the risk of structural damage and ensuring the safety of the infrastructure. Additionally, steel pipes can be reinforced with various techniques, such as braces or rubber isolators, to further enhance their seismic resistance.

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