SSAW CARBON STEEL PIPE 2''-48'' CNBM 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:How are steel pipes used in the construction of natural gas power plants?: Steel pipes are used in the construction of natural gas power plants primarily for transporting and distributing the fuel. These pipes are used to transport natural gas from the source to various components within the power plant, such as turbines and generators, for efficient combustion. Additionally, steel pipes are also used for cooling systems, waste gas removal, and other crucial functions in the overall construction and operation of natural gas power plants.

Q:Difference between cold rolled steel pipe and common steel pipe: From the above point of view, the hot rolled steel pipe used in fluid transport, mechanical structure and other requirements of the size of the situation is not high, cold-rolled steel pipe used in precision instruments, hydraulic systems, pneumatic and other places demanding.

Q:Can steel pipes be used for culvert applications?: Yes, steel pipes can be used for culvert applications. Steel pipes are commonly used for culverts due to their strength, durability, and resistance to corrosion. They are capable of handling heavy loads and can withstand harsh environmental conditions, making them suitable for various culvert applications such as road and railway crossings, drainage systems, and stormwater management.

Q:What are the different methods of joining steel pipes for high-pressure applications?: There are several methods of joining steel pipes for high-pressure applications. These include butt welding, socket welding, threaded connections, and flanged connections. Butt welding involves joining the ends of two pipes by heating them and then pressing them together to create a strong and seamless connection. Socket welding involves inserting one pipe into the socket of another and then welding them together. Threaded connections involve screwing together two pipes using threaded fittings. Flanged connections involve using flanges to connect two pipes by bolting them together with gaskets to ensure a tight and leak-free joint. Each method has its own advantages and is chosen based on the specific requirements of the high-pressure application.

Q:What are the different coating options available for steel pipes?: Some of the different coating options available for steel pipes include epoxy coatings, polyurethane coatings, fusion-bonded epoxy coatings, zinc coatings, and asphalt coatings.

Q:Can steel pipes be used for underground drainage systems?: Yes, steel pipes can be used for underground drainage systems. Steel pipes are known for their durability, strength, and resistance to corrosion, making them suitable for underground applications. However, proper coating and maintenance are essential to ensure longevity and prevent rusting.

Q:How are steel pipes used in heating systems?: Steel pipes are commonly used in heating systems as they have excellent durability and heat resistance properties. These pipes are typically used to transport hot water or steam from a heating source, such as a boiler, to various parts of a building, including radiators or baseboard heaters. They are also used for circulating cooled water back to the heating source for reheating. The high strength and corrosion-resistant nature of steel pipes make them ideal for handling the high temperatures and pressures involved in heating systems, ensuring efficient heat transfer and long-lasting performance.

Q:How do you protect steel pipes from external damage?: One way to protect steel pipes from external damage is by applying a protective coating or paint. This can help prevent corrosion and other forms of physical damage caused by exposure to moisture, chemicals, or rough surfaces. Additionally, using pipe supports and installing guards or barriers can help shield the pipes from potential impact or accidental damage. Regular inspections and maintenance are also crucial to identify and address any signs of damage or wear in a timely manner.

Q:Are steel pipes suitable for industrial cooling systems?: Indeed, steel pipes prove to be generally well suited for industrial cooling systems. Being a robust and long-lasting material, steel can endure the elevated pressures and temperature fluctuations commonly encountered in such systems. Furthermore, its exceptional resistance to corrosion renders it an ideal choice for utilization with water or other coolants. Moreover, steel pipes exhibit commendable thermal conductivity, facilitating efficient heat transfer during the cooling procedure. Additionally, these pipes are conveniently accessible and cost-effective, rendering them highly favored within industrial settings.

Q:What are the common methods for cleaning the inner surface of steel pipes?: Cleaning the inner surface of steel pipes can be done using different methods. Some commonly used methods include: 1. Mechanical Cleaning: Debris, rust, or scale on the inner surface of the steel pipe can be physically removed using mechanical tools like wire brushes, scrapers, or abrasive pads. This method is effective for removing loose or loosely adhered contaminants. 2. Chemical Cleaning: Stubborn deposits, rust, or scale can be dissolved or loosened using acidic or alkaline solutions. These solutions are circulated through the pipe for a specific period, allowing the chemical to react and break down the contaminants. Chemical cleaning is used when mechanical cleaning is not enough. 3. High-Pressure Water Jetting: High-pressure water is directed through a nozzle into the steel pipe to remove debris, rust, or scale from the inner surface. The force of the water jet dislodges and flushes out the contaminants. This method is efficient for cleaning pipes with complex geometries or hard-to-reach areas. 4. Shot Blasting: High-speed abrasive particles are propelled against the inner surface of the steel pipe to remove rust, scale, or other contaminants. Shot blasting is commonly used for larger pipes or pipes with heavy deposits. It provides a thorough and uniform cleaning by removing the surface layer of the steel along with the contaminants. 5. Ultrasonic Cleaning: High-frequency sound waves are used to create microscopic bubbles in a cleaning solution. These bubbles implode upon contact with the inner surface of the steel pipe, effectively loosening and removing contaminants. Ultrasonic cleaning is particularly effective for cleaning small-diameter pipes or pipes with intricate details. It's important to consider factors such as the type and extent of contamination, pipe size and geometry, and desired level of cleanliness when choosing a cleaning method. Safety measures should always be taken to protect workers and maintain the integrity of the steel pipes.

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