SPIRAL CARBON STEEL PIPE ASTM A53/ASTM A106

SPIRAL CARBON STEEL PIPE ASTM A53/ASTM A106 System 1

SPIRAL CARBON STEEL PIPE ASTM A53/ASTM A106

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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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 biomass power plants?: Steel pipes are used in biomass power plants for various applications such as transporting biomass fuel, carrying water for steam generation, and distributing hot water or steam throughout the plant. They provide a sturdy and reliable infrastructure for the efficient functioning of the plant, ensuring the safe and effective operation of the biomass power generation process.

Q:Can steel pipes be used for petrochemical plants?: Yes, steel pipes can be used for petrochemical plants. Steel pipes are commonly used in petrochemical plants due to their high strength, durability, and resistance to corrosion. They can handle high-pressure and high-temperature applications, making them suitable for transporting various chemicals and gases in petrochemical processes.

Q:Fastener type steel pipe scaffold steel pipe wall thickness: The scaffolding steel pipe should be specified with the current national standard "GB/T13793" or "straight seam welded steel pipe welded steel pipe for low pressure liquid delivery" GB/T3091 Q235 ordinary steel pipe; steel pipe steel quality should meet the requirements of current national standard grade Q235 steel "carbon structural steel" in GB/T700

Q:How do you measure the thickness of steel pipes?: There are several methods available for measuring the thickness of steel pipes, depending on the desired level of accuracy. One commonly utilized technique is ultrasonic measurement. This involves employing an ultrasonic thickness gauge, which emits high-frequency sound waves that travel through the walls of the pipe and reflect back to the gauge. By calculating the time it takes for the sound waves to travel and return, an accurate measurement of the thickness can be obtained. This method is non-destructive and can be applied to both ferrous and non-ferrous materials. Alternatively, calipers or micrometers can be used for measurement. This entails manually measuring the outer diameter (OD) and inner diameter (ID) of the pipe, and then subtracting the ID from the OD to determine the thickness. However, it should be noted that this method is less precise compared to ultrasonic measurement. In cases where extreme precision is not necessary, a simple tape measure or ruler can be employed to measure the outer diameter of the pipe. The thickness can then be estimated by referring to standard pipe thickness charts or tables. It is essential to emphasize the significance of accurately measuring the thickness of steel pipes in various applications, such as construction, manufacturing, and engineering. Consequently, it is advisable to utilize suitable measuring tools and techniques to ensure precise results.

Q:How are steel pipes used in the power generation sector?: Steel pipes are commonly used in the power generation sector for various applications such as transporting water, steam, and other fluids within power plants. They are used for conveying high-pressure steam to drive turbines and generate electricity, as well as for transporting cooling water to regulate temperature in power plants. Additionally, steel pipes are used in the construction of power plant infrastructure, including the fabrication of boiler tubes, condenser tubes, and other critical components that ensure efficient and reliable power generation.

Q:Difference between seamless steel pipe and welded pipe: Seamless steel pipe can be used in various industries, such as liquid, pneumatic, pipeline and gas pipeline.

Q:How do steel pipes handle extreme weather conditions?: Steel pipes are highly durable and can withstand extreme weather conditions. They have excellent resistance to corrosion, which allows them to maintain their structural integrity even in harsh environments. Additionally, steel pipes have high tensile strength, making them resistant to bending, cracking, or collapsing under extreme weather events such as strong winds, heavy snow, or intense heat. Overall, steel pipes are a reliable choice for handling extreme weather conditions.

Q:What is the cost of steel pipes compared to other pipe materials?: The cost of steel pipes is typically higher compared to other pipe materials such as PVC or copper.

Q:Are steel pipes suitable for underground compressed air systems?: Yes, steel pipes are generally suitable for underground compressed air systems. Steel pipes have several advantages that make them a popular choice for such applications. Firstly, steel pipes are known for their high strength and durability, which allows them to withstand the pressure and stress associated with compressed air systems. They can handle high operating pressures without any significant risk of bursting or leaking. Secondly, steel pipes have excellent resistance to corrosion and can withstand exposure to moisture, soil, and other underground elements. This makes them a reliable choice for underground installations, where pipes may be exposed to moisture and other potentially corrosive substances. Furthermore, steel pipes are relatively easy to install and maintain. They can be welded or threaded together, ensuring a secure and leak-free connection. Additionally, steel pipes can be easily inspected and repaired if necessary, allowing for cost-effective maintenance and repairs. However, it is important to note that the suitability of steel pipes for underground compressed air systems may also depend on other factors such as the specific requirements and conditions of the system. It is advisable to consult with a professional engineer or a qualified expert to ensure that steel pipes are the most appropriate choice for a specific application.

Q:What is the difference between steel pipes and HDPE pipes?: Steel pipes are made from a durable alloy of iron and carbon, while HDPE pipes are made from high-density polyethylene, a strong and flexible plastic material. Steel pipes are generally heavier and more rigid, making them suitable for high-pressure applications and structural support. HDPE pipes, on the other hand, are lighter, more flexible, and resistant to corrosion, making them ideal for underground and aboveground installations in various industries including water supply, gas distribution, and sewage systems.

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