SPIRAL CARBON STEEL PIPE 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: What is the difference between steel pipes and PPR pipes?: Steel pipes are made of a durable and strong material, steel, which makes them suitable for carrying high-pressure fluids and gases. On the other hand, PPR (polypropylene random copolymer) pipes are made of a plastic material, which makes them lightweight, corrosion-resistant, and easy to install. PPR pipes are commonly used for plumbing systems, while steel pipes are more commonly used for industrial applications and heavy-duty purposes.

Q: How are steel pipes used in the manufacturing of scaffolding?: Steel pipes are commonly used in the manufacturing of scaffolding as they provide structural support and stability. These pipes are used to create the framework of the scaffolding structure, allowing workers to safely access and work at heights. The steel pipes are connected and secured together using couplers, providing a strong and reliable base for the scaffolding system.

Q: What are the different methods of protecting steel pipes from external damage?: There are several methods of protecting steel pipes from external damage, including coating the pipes with a corrosion-resistant material such as epoxy or polyethylene, applying a layer of protective tape, installing a cathodic protection system, using concrete or rock shielding, and implementing measures to prevent soil movement or impact damage.

Q: How are steel pipes used in the manufacturing of storage tanks?: Steel pipes are commonly used in the manufacturing of storage tanks due to their high strength, durability, and resistance to corrosion. These pipes are typically used as the main structural component of the tank, providing the necessary strength to support the weight of the stored materials. Additionally, steel pipes can be easily welded together, allowing for the construction of large, seamless tanks that can hold various liquids or gases. Overall, steel pipes play a crucial role in ensuring the integrity and longevity of storage tanks.

Q: How are steel pipes insulated for thermal purposes?: Steel pipes are commonly insulated for thermal purposes using a variety of methods. One of the most common methods is to wrap the pipes with insulation material such as fiberglass, mineral wool, or foam. This insulation material acts as a barrier between the pipe and the surrounding environment, preventing heat transfer or loss. To properly insulate steel pipes, the insulation material is typically wrapped tightly around the pipe, ensuring that there are no gaps or openings for heat to escape. The insulation is then secured in place using adhesive tapes or metal bands. In addition to external insulation, pipes can also be internally insulated. This involves placing insulation material inside the pipe, creating a layer of protection against heat loss or gain. Internal insulation is commonly used in applications where the pipe carries hot fluids or gases. Furthermore, some steel pipes are designed with a built-in insulation layer. These pipes, known as pre-insulated pipes, have insulation material already integrated into the pipe structure. The insulation layer is typically made of foam or mineral wool and is covered with a protective outer layer, providing effective thermal insulation. Insulating steel pipes for thermal purposes is crucial in various industries, such as oil and gas, HVAC, and plumbing. Proper insulation helps to maintain the desired temperature of the fluid or gas flowing through the pipes, preventing energy loss and improving overall efficiency.

Q: Can steel pipes be used for conveying oil?: Steel pipes are suitable for the transportation of oil. In the oil and gas industry, steel pipes are widely utilized for the conveyance of oil due to their robustness, longevity, and resistance to corrosion. The exceptional strength of steel pipes enables them to endure the demanding conditions of high pressure and temperature that often accompany oil transportation. Furthermore, steel pipes are less susceptible to leakage and damage in comparison to alternative materials, thus making them a dependable choice for the efficient transfer of oil over extensive distances. Moreover, the sleek interior surface of steel pipes aids in reducing friction and improving the oil flow. Overall, steel pipes are the preferred option for oil transportation owing to their superior mechanical properties and enduring performance.

Q: What is the maximum pressure that steel pipes can handle?: The maximum pressure that steel pipes can handle varies depending on factors such as the specific grade of steel, diameter, and wall thickness of the pipe. However, steel pipes are known for their high strength and durability, and they can typically handle pressures ranging from a few hundred to several thousand pounds per square inch (psi).

Q: How are steel pipes insulated against heat loss?: Steel pipes can be insulated against heat loss using several methods. One common method is through the use of insulation materials such as mineral wool or fiberglass wraps. These materials are wrapped around the pipes to create a barrier that reduces heat transfer. Another method is the application of insulation coatings, such as foam or rubber coatings, directly onto the surface of the pipes. These coatings create a protective layer that minimizes heat loss. Additionally, thermal tape or heat-resistant tape can be used to seal any gaps or joints in the insulation, ensuring a continuous barrier against heat loss. Overall, insulating steel pipes against heat loss is essential to maintain the temperature of the fluid or gas being transported and to increase energy efficiency in various industries.

Q: What are the disadvantages of using steel pipes?: One disadvantage of using steel pipes is that they are prone to corrosion, especially in environments with high humidity or exposure to certain chemicals. This can lead to structural damage and reduced lifespan of the pipes. Additionally, steel pipes are relatively heavy and bulky, making transportation and installation more challenging compared to other pipe materials. Lastly, steel pipes can be more expensive than alternative materials, which can impact project budgets.

Q: RC is it welded steel pipe or galvanized steel pipe?: Common pipelines in construction are as follows:SC: welded steel pipeTC: wire tubes, thin steel tubesPC: rigid plastic pipesCT: cable trayCP: metal hoseSR: steel grooveRC: water gas pipe

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