SPIRAL STEEL PIPE

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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:
When selecting steel pipes, there are several factors that need to be considered. These factors include the intended application, the required dimensions and specifications, the level of corrosion resistance needed, the operating temperature and pressure, the cost, and the availability of the specific type of steel pipe. It is important to carefully evaluate these factors to ensure that the selected steel pipes are suitable for the intended use and meet all the necessary requirements.
Q:
Steel pipes are commonly used in the manufacturing of pharmaceutical equipment due to their durability, corrosion resistance, and ability to withstand high-pressure conditions. These pipes are utilized for various purposes such as transporting fluids, gases, and chemicals within the pharmaceutical production process. They provide a reliable and hygienic method for transferring raw materials, intermediates, and final products. Additionally, steel pipes are often used in the construction of cleanrooms and sterile environments, ensuring the safe and efficient operation of pharmaceutical equipment.
Q:
Yes, steel pipes can be used for underground telecommunications networks. Steel pipes are commonly used in underground applications due to their strength, durability, and resistance to corrosion. They provide protection and support for the telecommunication cables and can withstand the external pressure and load that occur underground. Additionally, steel pipes can be coated with protective materials to further enhance their resistance to corrosion and extend their lifespan. Overall, steel pipes are a reliable choice for underground telecommunications networks.
Q:
Nominal pipe size refers to the designation used to identify the approximate inside diameter of a pipe, while actual pipe size refers to the measured inside diameter of a pipe. The nominal size is a standardized value, whereas the actual size may vary slightly due to manufacturing tolerances.
Q:Can stainless steel pipes spray black paint?
Yes, after painting, I usually touch hands and paint off in 2 years or so
Q:
Some safety precautions while working with steel pipes include wearing appropriate personal protective equipment such as gloves, safety glasses, and steel-toed boots to prevent injuries. It is important to ensure the work area is clear of any obstacles or tripping hazards. Workers should be trained in proper lifting techniques to prevent strain or back injuries. Additionally, it is crucial to follow proper procedures for handling and storing steel pipes to prevent accidents and maintain a safe working environment.
Q:
Yes, steel pipes can be used for underground electrical conduits.
Q:
There are several different methods of pressure testing steel pipes, including hydrostatic testing, pneumatic testing, and ultrasonic testing. Hydrostatic testing involves filling the pipe with water and pressurizing it to a specified level to check for leaks or weaknesses. Pneumatic testing is similar but uses compressed air or gas instead of water. Ultrasonic testing involves using high-frequency sound waves to detect any defects or flaws in the pipe. Each method has its own advantages and is chosen based on the specific requirements and industry standards.
Q:
The average lead time for manufacturing steel pipes can vary depending on several factors such as the complexity of the design, size of the order, and the specific production capabilities of the manufacturer. Typically, it can range from a few weeks to a few months.
Q:
To determine the weight per foot of a steel pipe, you need to know its outer diameter, wall thickness, and the density of steel. Using these measurements, you can calculate the cross-sectional area of the pipe, which is then multiplied by the length of the pipe to find its volume. Finally, multiplying the volume by the density of steel gives you the weight per foot of the steel pipe.

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