SPIRAL CARBON STEEL PIPE ASTM A53

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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: Seamed steel pipe seamless steel pipe, carbon steel pipe, galvanized pipe, four how to distinguish between: Major use differentiation:1, seamed tube can withstand the maximum operating pressure is generally less than 20 kg, which is the most secure use. It is generally used in water, gas, compressed air and other low-pressure fluid;2 seamless tube can withstand ultra-high pressure, of course, its wall thickness will also increase, which needs to be designed according to pressure requirements. It is generally used in high-pressure oil pipes, boiler tubes and other high temperature and high pressure equipment. There are also seamless tubes for structural purposes, depending on the design requirements.3, there are some seamed steel pipe seamless treatment tube, it is the weld annealing treatment, eliminate the residual stress of the weld, the weld and base material, the pressure range of basic and seamless pipe is. May also consider the use of.4, of course, the market also has some use overall heating after drawing steel pipe joints or mandrel rolling seamless steel pipe, mainly in small size, only in the shape of this kind of pipe belongs to the seamless tube, it is not very good

Q: How do you prevent freezing in steel pipes during cold weather?: One effective way to prevent freezing in steel pipes during cold weather is to insulate the pipes. This can be done by applying foam insulation sleeves or wraps around the pipes. Additionally, ensuring that the pipes are properly sealed and any gaps or cracks are sealed can help prevent cold air from reaching the pipes. It is also important to keep the pipes warm by maintaining a consistent temperature in the surrounding area. This can be achieved by using a space heater or by allowing warm air to circulate around the pipes.

Q: Can steel pipes be used for shipbuilding?: Yes, steel pipes can be used for shipbuilding. Steel is a commonly used material in the construction of ships due to its strength, durability, and resistance to corrosion. Steel pipes are used for various purposes in shipbuilding, including the construction of the ship's hull, superstructure, and various internal systems such as plumbing, ventilation, and fuel lines. The strength and structural integrity of steel pipes make them suitable for withstanding the harsh conditions at sea, such as high pressures, extreme temperatures, and exposure to saltwater. Additionally, steel pipes can be easily welded and shaped to meet the specific requirements of shipbuilding, making them a versatile choice for this industry.

Q: What are the different types of steel pipe joints for underwater applications?: There are various types of steel pipe joints used for underwater applications, including welded joints, flanged joints, and mechanical joints. Welded joints involve fusing the ends of the pipes together using welding techniques, creating a continuous, strong connection. Flanged joints use flanges, which are flat, circular discs, to connect and secure the pipes together. These joints are commonly used in applications that require frequent disassembly. Mechanical joints, on the other hand, utilize mechanical devices such as couplings or clamps to connect the pipes. These joints provide flexibility and ease of installation and removal.

Q: What is the meaning of "DN" and "Phi" in the dimensioning of steel pipe diameter and how to apply the mark?: DN represents the path of the tube". Fair represents diameter. Path is the diameter of the fluid through which it should be inside. The diameter may be the outer diameter or the inner diameter. The diameter is only used when the pipe is used for flow through. Fair as long as the garden can be used. According to the requirements of mechanical drawing fair, DN text notes.

Q: How do steel pipes handle seismic expansion joints?: Steel pipes handle seismic expansion joints by incorporating flexible joints or bellows in the pipeline system. These flexible joints are designed to absorb and accommodate the movement caused by seismic activity, allowing the steel pipes to expand and contract without causing damage or failure to the overall pipeline system.

Q: What does the diameter of a steel pipe project mean?: Suppose we specify a standard that defines the nominal diameter of the same steel tube as G-1, then this G-1 is the same as DN50.I hope it doesn't make you any more confused, huh?. If you still don't understand, keep in mind that the nominal diameter is neither outside nor inside diameter.

Q: What are the dimensions of steel pipes?: Steel pipes can have varying dimensions depending on specific requirements and industry standards. However, they generally adhere to standardized measurements for their outer diameter (OD), wall thickness, and length. The OD of steel pipes can range from small sizes, such as ¼ inch (6.35 mm) or ⅛ inch (3.175 mm), to larger sizes like 48 inches (1219.2 mm) or more for specialty applications. The wall thickness of steel pipes can also vary significantly, ranging from thin pipes with a few millimeters of thickness to thick pipes with several inches of thickness. Regarding length, standard steel pipes are typically produced in lengths of 20 feet (6.1 meters) or 40 feet (12.2 meters). However, custom lengths can also be manufactured to meet specific project requirements. It is important to note that these dimensions are only general examples and may not encompass all potential variations in steel pipe sizes. Therefore, consulting relevant industry standards and specifications is always recommended to determine the precise dimensions necessary for a specific application.

Q: Can steel pipes be used for irrigation pumps?: Yes, steel pipes can be used for irrigation pumps. Steel pipes are commonly used in irrigation systems due to their durability, strength, and resistance to corrosion. They can handle the high pressures and flow rates required for efficient irrigation, making them a suitable choice for connecting and transporting water from irrigation pumps.

Q: How are steel pipes used in the construction of power plants?: Steel pipes are commonly used in the construction of power plants for various purposes such as transporting fluids, gases, and steam, as well as for structural support. They are used to create a network of pipelines that carry coolant water, fuel, and other necessary fluids to different areas of the plant. Additionally, steel pipes are used for steam generation, connecting boilers to turbines and condensers, ensuring efficient energy production. The durability, strength, and high-temperature resistance of steel pipes make them an ideal choice for the demanding conditions in power plants.

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