SPIRAL STEEL PIPE 16‘‘-48’‘

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Loading Port:: China Main Port

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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 are steel pipes used in the construction of stormwater drainage systems?: Steel pipes are commonly used in the construction of stormwater drainage systems due to their durability and strength. They are used to create underground networks that efficiently channel rainwater away from urban areas, preventing floods and water damage. Steel pipes are resistant to corrosion and can withstand heavy loads, making them suitable for the long-term and reliable functioning of stormwater drainage systems.

Q: Can steel pipes be used for sewage treatment plants?: Yes, steel pipes can be used for sewage treatment plants. Steel pipes are durable and resistant to corrosion, making them ideal for handling sewage and wastewater in such facilities. They are commonly used for conveying and distributing sewage, as well as for constructing various components like pipelines, pump stations, and treatment tanks. Additionally, steel pipes can withstand high pressure and are available in various sizes, making them suitable for the diverse needs of sewage treatment plants.

Q: What are the common applications of steel pipes in construction?: Steel pipes are commonly used in construction for various applications such as structural supports, plumbing systems, gas and water distribution, and underground utilities. They provide strength, durability, and resistance to corrosion, making them suitable for both above-ground and underground installations.

Q: What is the density of steel pipes?: The density of steel pipes varies depending on their composition, but on average, the density of steel pipes is around 7.8 grams per cubic centimeter.

Q: What are the different factors affecting the flow rate of steel pipes?: There are several factors that can affect the flow rate of steel pipes. 1. Pipe diameter: The size of the pipe plays a significant role in determining the flow rate. Generally, larger diameter pipes allow for greater flow rates, as they have a larger cross-sectional area for the fluid to pass through. 2. Pipe length: The length of the pipe also affects the flow rate. Longer pipes tend to have higher friction losses, which can reduce the flow rate. Additionally, longer pipes may require higher pressure to maintain the desired flow rate. 3. Fluid viscosity: The viscosity of the fluid passing through the pipe is an important factor. Viscous fluids, such as heavy oils, have a higher resistance to flow, leading to lower flow rates. On the other hand, less viscous fluids, like water, have lower resistance and can achieve higher flow rates. 4. Pressure difference: The pressure difference across the pipe is a driving force for the flow. A higher pressure difference will result in a higher flow rate, while a lower pressure difference will reduce the flow rate. 5. Surface roughness: The roughness of the inner surface of the pipe affects the flow rate. Rougher surfaces create more turbulence and friction, resulting in a lower flow rate. Smoother surfaces, on the other hand, minimize turbulence and friction, allowing for a higher flow rate. 6. Temperature: The temperature of the fluid can impact its viscosity and density, which in turn affects the flow rate. Higher temperatures generally reduce the viscosity of fluids, leading to increased flow rates. 7. Pipe material: Different pipe materials have varying roughness and resistance to flow. Steel pipes, for example, typically have a smoother inner surface compared to pipes made of other materials, resulting in higher flow rates. 8. Pipe fittings and bends: The presence of fittings, valves, and bends in the pipe can cause flow restrictions and pressure drops, which can decrease the flow rate. Proper design and placement of these components can minimize their impact on the flow rate. Overall, the flow rate of steel pipes is influenced by a combination of these factors, and understanding their effects is crucial for designing and optimizing fluid flow systems.

Q: Can steel pipes be used for geothermal applications?: Yes, steel pipes can be used for geothermal applications. Steel is a durable and strong material that can withstand high temperatures and pressures typically found in geothermal systems. It is commonly used for drilling wells and transporting geothermal fluids, making it a suitable choice for geothermal applications.

Q: Can steel pipes be used for scaffolding and support structures?: Yes, steel pipes can be used for scaffolding and support structures. Steel pipes are commonly used in construction due to their strength, durability, and ability to withstand heavy loads. They provide a stable and secure framework for scaffolding and support structures, ensuring the safety of workers and the stability of the construction project. Steel pipes are also versatile and can be easily assembled and disassembled, making them an ideal choice for temporary structures like scaffolding. Additionally, steel pipes are resistant to corrosion, making them suitable for outdoor applications and ensuring the longevity of the scaffolding and support structures.

Q: What is the difference between steel pipe and round steel?: Making ring parts with steel tubes can improve data application rate, simplify manufacturing process, save data and work hours, such as rolling bearings, rings, Jack sleeves, etc., and have been widely used in steel pipe manufacture.

Q: Is the diameter of the steel tube indicated by the outer diameter by the wall thickness or by the inside diameter by the wall thickness?: The specification for steel tubes is the outer diameter multiplied by the wall thickness.Generally speaking, the diameter of the pipe can be divided into outer diameter (De), inner diameter (D) and nominal diameter (DN).

Q: Are galvanized steel tubes the same as degaussing steel tubes?: Degaussing steel tubeThe degaussing method specifies the following demagnetization in the established process document

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