• SPIRAL CARBON STEEL PIPE ASTM A53 48'' System 1
  • SPIRAL CARBON STEEL PIPE ASTM A53 48'' System 2
  • SPIRAL CARBON STEEL PIPE ASTM A53 48'' System 3
  • SPIRAL CARBON STEEL PIPE ASTM A53 48'' System 4
SPIRAL CARBON STEEL PIPE ASTM A53 48''

SPIRAL CARBON STEEL PIPE ASTM A53 48''

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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 measure the diameter of a steel pipe?
To measure the diameter of a steel pipe, you can use a few different methods depending on the available tools and accuracy required. Here are a few common ways to measure the diameter: 1. Calipers: The most accurate method is to use a set of calipers. Open the calipers to their maximum width and then gently close them around the pipe until they fit snugly. The measurement shown on the calipers will be the diameter of the pipe. 2. Tape measure or ruler: If you don't have calipers, you can use a tape measure or ruler. Wrap the tape measure or ruler around the circumference of the pipe, making sure it is snug but not too tight. Divide the measurement by pi (3.14) to get the diameter. This method may not be as accurate as calipers, but it can give you a rough estimate. 3. String or flexible tape: Another option is to use a piece of string or flexible tape. Wrap the string or tape around the circumference of the pipe and mark where it overlaps. Measure the length of the marked section using a ruler or tape measure. Divide this measurement by pi (3.14) to determine the diameter. 4. Pipe gauge: A pipe gauge is a specialized tool designed specifically for measuring pipe diameter. It consists of a series of circular holes with corresponding diameter labels. Simply insert the pipe into the hole that best fits, and the label will indicate the diameter. Remember, it is essential to measure the diameter at multiple points along the pipe to account for any irregularities or inconsistencies. For accurate measurements, it is recommended to take multiple readings and calculate an average diameter.
Q:How do you calculate the pipe friction loss for steel pipes?
In order to determine the pipe friction loss for steel pipes, one must utilize the Darcy-Weisbach equation. This particular equation is widely employed in the field of fluid dynamics to ascertain the drop in pressure or friction loss that arises from the flow of fluid through a pipe. The equation is formulated as follows: The pressure drop or friction loss (ΔP) can be calculated by dividing the product of the Darcy friction factor (f), the length of the pipe (L), the density of the fluid (ρ), and the square of the velocity of the fluid (V²), by twice the diameter of the pipe (D). The Darcy friction factor (f), which is a dimensionless value, is contingent upon the Reynolds number (Re) and the relative roughness (ε/D) of the pipe. Here, ε represents the absolute roughness of the pipe. There are various correlations or Moody's diagram that can be employed to determine the friction factor. Once the friction factor has been ascertained, the values for length, density, velocity, and diameter can be substituted into the equation to calculate the pressure drop or friction loss. It is of utmost importance to ensure that the units for all variables remain consistent (e.g., length in meters, density in kg/m³, velocity in m/s, diameter in meters) in order to achieve precise results. By utilizing this equation and acquiring the requisite parameters, it becomes possible to calculate the pipe friction loss for steel pipes. Such calculations are essential in the design and analysis of fluid flow systems.
Q:Can steel pipes be used for HVAC systems?
Yes, steel pipes can be used for HVAC systems. Steel pipes are commonly used in HVAC systems for their durability, strength, and resistance to corrosion. They are suitable for transporting hot or cold air, water, or refrigerant throughout the system.
Q:What kinds of steel pipe are divided into?
The steel pipe seamless steel pipe and welded steel pipe (tube) two categories. According to the section shape and can be divided into round tube shaped tube, round steel pipe is widely used, but there are also some square, rectangular, semicircular, hexagonal, triangular, octagonal shaped steel tube.Seamless steel pipe: seamless steel pipe is ingot or solid billet made by capillary hole, then hot, cold or cold drawing. Made of seamless steel pipe specifications with outer diameter * wall thickness mm. Number of seamless steel pipe cold and hot points of seamless steel pipe (DIAL) two categories.
Q:How do you calculate the weight of steel pipes?
To calculate the weight of steel pipes, you would need to know the dimensions of the pipe, including its outer diameter, inner diameter, and length. By using the formula for the volume of a cylinder, which is πr²h, where r is the radius (half the diameter) and h is the height or length of the pipe, you can calculate the volume of the pipe. Then, by multiplying the volume by the density of steel, which is typically around 7850 kg/m³, you can determine the weight of the steel pipe.
Q:Can steel pipes be used for mining applications?
Yes, steel pipes can be used for mining applications. Steel pipes are commonly used in the mining industry for various purposes. They are often used for transporting fluids, such as water or slurry, in mining operations. Steel pipes are known for their durability, strength, and resistance to corrosion, making them suitable for underground mining environments where conditions can be harsh and corrosive. They can withstand high pressure and are able to handle the heavy loads associated with mining applications. Additionally, steel pipes can be easily welded and connected, allowing for efficient installation and maintenance. Overall, steel pipes are a reliable and cost-effective choice for mining applications.
Q:How are steel pipes used in the manufacturing of fire sprinkler systems?
Steel pipes are commonly used in the manufacturing of fire sprinkler systems due to their durability, strength, and resistance to high temperatures. These pipes are used to transport pressurized water or fire retardant throughout the sprinkler system, ensuring quick and effective fire suppression. The steel pipes are installed strategically throughout the building, delivering water to sprinkler heads that are activated when heat is detected. Overall, steel pipes play a crucial role in the safe and efficient operation of fire sprinkler systems, protecting lives and property from the devastating effects of fires.
Q:Is there a weld on the outer wall of seamless steel tube?
Seamless steel pipe, not seamless steel pipe, seamless steel pipe, welded seam, how can it be called seamless pipe?. Tell you a method: measurement of wall thickness, multi test several points, if each point, that is because it is cold drawn pipe, seamless pipe, hot rolling, wall thickness may% by sample.
Q:How are steel pipes threaded for easy installation?
Steel pipes are threaded for easy installation by using a specialized machine called a pipe threading machine. This machine cuts precise threads onto the ends of the steel pipes, allowing them to be easily connected and tightened together using threaded fittings or couplings. This threading process ensures a secure and leak-proof connection, making installation quick and efficient.
Q:Are steel pipes suitable for underground chemical transport?
Steel pipes are widely regarded as appropriate for transporting chemicals underground because of their high strength and durability. They have the ability to endure the pressure and weight of the soil above, rendering them impervious to harm or collapse. Furthermore, steel pipes possess corrosion resistance, which is vital when conveying chemicals that might react with or corrode other substances. They also have the capability to handle a wide range of temperatures, making them suitable for transporting chemicals that necessitate specific temperature conditions. Nevertheless, it is crucial to carefully consider the particular chemical being transported and seek advice from experts in chemical engineering or pipeline design to guarantee the compatibility of the steel pipes with the chemical and the implementation of any necessary safety precautions.

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