• SPIRAL STEEL PIPE 32’‘ CARBON ASTM API DIN ISO System 1
SPIRAL STEEL PIPE 32’‘ CARBON ASTM API DIN ISO

SPIRAL STEEL PIPE 32’‘ CARBON ASTM API DIN ISO

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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 chemical plants?
Steel pipes are widely used in the construction of chemical plants due to their durability, corrosion resistance, and ability to handle high pressure and temperature. These pipes are primarily utilized for transporting various chemicals, gases, and liquids within the plant, ensuring a safe and efficient flow of materials throughout the facility. They are commonly employed in the installation of process pipelines, utility systems, and structural supports, playing a crucial role in the overall functionality and reliability of chemical plants.
Q: What are the industries that commonly use steel pipes?
Some of the industries that commonly use steel pipes include oil and gas, construction, manufacturing, automotive, infrastructure, water treatment, and plumbing.
Q: How are steel pipes protected against chemical corrosion?
Steel pipes are protected against chemical corrosion through various methods such as applying protective coatings, using corrosion-resistant alloys, and implementing cathodic protection systems.
Q: Are steel pipes affected by magnetic fields?
Yes, steel pipes can be affected by magnetic fields. Steel is a ferromagnetic material, which means it can be magnetized and influenced by magnetic fields.
Q: Can steel pipes be used for natural gas processing plants?
Yes, steel pipes can be used for natural gas processing plants. Steel pipes are commonly used in the oil and gas industry due to their high strength, durability, and resistance to corrosion. They can safely transport natural gas and are capable of withstanding the high pressure and temperature conditions typically found in processing plants.
Q: What is the process of coating steel pipes?
The process of coating steel pipes involves applying a protective layer on the surface of the pipe to prevent corrosion and increase its durability. This typically includes cleaning the pipe to remove any contaminants, followed by applying a primer to improve adhesion. The pipe is then coated with a layer of paint or a specialized coating material using a variety of techniques such as spraying, dipping, or electrostatic application. The coated pipe is then cured or dried to ensure the coating adheres properly. This process helps to ensure the longevity and performance of steel pipes in various applications.
Q: Can steel pipes be used for underground fire protection systems?
Yes, steel pipes can be used for underground fire protection systems. Steel pipes are commonly used in these systems due to their durability, strength, and resistance to fire. They can effectively withstand high temperatures and provide reliable and long-lasting protection against fire hazards in underground environments.
Q: How are steel pipes used in the manufacturing of machinery?
Steel pipes are used in the manufacturing of machinery primarily for conveying fluid or gas, providing structural support, and acting as a conduit for electrical wiring. They are commonly used as the framework for various machine components, such as conveyor systems, hydraulic equipment, and pneumatic systems. Steel pipes offer durability, strength, and versatility, making them an essential material in machinery manufacturing.
Q: Are metal spiral tubes the same as metal bellows?
The corrugated pipe is extruded by the extruder, the winding pipe is wound in a circle, and the prestressed metal corrugated pipe is a reserved channel.
Q: What are the different grades of steel used in manufacturing pipes?
There are several grades of steel used in manufacturing pipes, including carbon steel, alloy steel, stainless steel, and duplex steel. Each grade has distinct properties and characteristics that make it suitable for different applications and environments.

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