SPIRAL STEEL PIPE 16‘‘ CARBON STEEL ASTM API

SPIRAL STEEL PIPE 16‘‘ CARBON STEEL ASTM API System 1

SPIRAL STEEL PIPE 16‘‘ CARBON STEEL ASTM API

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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 are the common applications of steel pipes in the water distribution system?: Steel pipes are commonly used in water distribution systems for various applications such as transporting water from treatment plants to distribution points, carrying water under high pressure, and providing a durable and long-lasting solution for underground water pipelines.

Q: Can steel pipes be used for underground irrigation systems?: Certainly, underground irrigation systems can indeed utilize steel pipes. Steel pipes have gained popularity for irrigation systems owing to their exceptional durability, strength, and corrosion resistance. They have the capability to endure the immense pressure and stress associated with being buried underground, thus ensuring longevity without the need for frequent maintenance or replacement. Moreover, the smooth interior surface of steel pipes enables efficient water flow and minimizes the risk of clogging. Additionally, steel pipes are readily available in a variety of sizes and can be easily customized to meet specific requirements of irrigation systems. However, it is crucial to ensure that the steel pipes employed for underground irrigation systems are adequately coated or treated to prevent corrosion and extend their lifespan.

Q: How are steel pipes used in the construction of offshore platforms?: Steel pipes are used in the construction of offshore platforms for various purposes such as supporting the weight of the platform, transporting fluids (oil, gas, and water), and providing structural stability to withstand harsh environmental conditions and the weight of equipment and machinery.

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 steam, water, and other fluids within power plants. They are used for conveying fuel and combustion gases, as well as for cooling systems and turbine installations. Additionally, steel pipes are utilized in power plant construction for structural support and as part of the overall infrastructure.

Q: What are the different types of threading on steel pipes?: The different types of threading on steel pipes include tapered threads, straight threads, and buttress threads. Tapered threads are commonly used for pipes that will be screwed into fittings, while straight threads are typically used for pipes that will have a coupling or union attached. Buttress threads are designed for heavy-duty applications and provide increased strength and resistance to axial loads.

Q: What is the difference between hot-dip galvanizing and electroplating for steel pipes?: Hot-dip galvanizing and electroplating are two common methods used to provide corrosion protection for steel pipes, but there are key differences between the two processes. Hot-dip galvanizing involves immersing the steel pipes into a bath of molten zinc, which forms a metallurgical bond with the steel. This results in a thick and durable zinc coating that provides excellent corrosion resistance. The process of hot-dip galvanizing creates a uniform coating that covers the entire surface of the steel pipe, including both the external and internal surfaces. This makes hot-dip galvanizing particularly effective for protecting both the inside and outside of the pipes. On the other hand, electroplating is a process that involves the deposition of a thin layer of metal onto the surface of the steel pipes using an electric current. In the case of electroplating for steel pipes, typically a layer of zinc is applied. Unlike hot-dip galvanizing, electroplating does not provide a metallurgical bond between the zinc and the steel. Instead, it creates a mechanical bond, which is not as strong or durable as the bond formed through hot-dip galvanizing. The electroplated zinc layer is thinner compared to hot-dip galvanizing, which means it may not provide the same level of corrosion protection. Another difference between hot-dip galvanizing and electroplating is the application process. Hot-dip galvanizing requires immersing the steel pipes into a bath of molten zinc, which can be a time-consuming process. Electroplating, on the other hand, involves applying the zinc coating through an electrolytic cell, which can be faster and more efficient. In summary, the main difference between hot-dip galvanizing and electroplating for steel pipes lies in the thickness and durability of the coating, as well as the bonding mechanism between the zinc and the steel. Hot-dip galvanizing provides a thicker and more durable coating with a metallurgical bond, making it more effective for long-term corrosion protection. Electroplating, on the other hand, creates a thinner coating with a mechanical bond, which may be suitable for applications requiring a less robust level of corrosion resistance.

Q: Can steel pipes withstand high temperatures?: Yes, steel pipes can withstand high temperatures. Steel is a strong and durable material that has high heat resistance. It can retain its strength and structural integrity even when exposed to extreme heat, making it suitable for various high-temperature applications such as industrial furnaces, power plants, and steam pipelines.

Q: Can steel pipes be used for conveying gases?: Indeed, gases can be conveyed using steel pipes. In different industries, such as oil and gas, petrochemical, and construction, steel pipes are commonly employed to transport a wide range of gases, including natural gas, air, and hydrogen. The use of steel pipes for gas transportation offers numerous benefits. They possess exceptional strength and durability, enabling them to withstand rigorous pressure and temperature conditions. Moreover, steel pipes exhibit remarkable resistance to corrosion, effectively preventing gas leakage and ensuring the safety and dependability of the gas transportation system. Furthermore, their smooth internal surface minimizes frictional resistance, facilitating efficient gas flow. As a result, steel pipes are a reliable and extensively-utilized choice for conveying gases across diverse applications.

Q: How are steel pipes used in the mining industry?: Steel pipes are commonly used in the mining industry for various purposes such as transporting minerals, water, and gases underground, as well as for constructing mine shafts, tunnels, and mine infrastructure due to their durability, strength, and resistance to corrosion.

Q: How are steel pipes used in the manufacturing of desalination plants?: Steel pipes are used in the manufacturing of desalination plants to transport the seawater from the intake point to the treatment facilities. These pipes are durable, corrosion-resistant, and can withstand the high-pressure conditions required for the desalination process.

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