SSAW STEEL PIPE 219-3920MM API 5L PSL1PSL2

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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.:219-3920mm

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: φ219mm-3920mm

5,Length: 5m-12m or as customer 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 telecommunications towers?: Steel pipes are commonly used in the construction of telecommunications towers as they provide the necessary structural support and stability. These pipes are used for the tower's main framework, ensuring its durability and ability to withstand various environmental conditions. Additionally, steel pipes are also used for cable management, allowing for the safe and efficient installation of telecommunications equipment and cables.

Q: Can steel pipes be used for underground sewage systems?: Yes, steel pipes can be used for underground sewage systems. Steel pipes are durable, resistant to corrosion, and can withstand high pressure, making them suitable for transporting sewage underground. However, proper protective coating and maintenance are essential to prevent any potential corrosion or degradation over time.

Q: Are steel pipes more expensive than other types of pipes?: Steel pipes can be more expensive than other types of pipes, but this can vary depending on various factors such as the size, grade, and specific application requirements.

Q: How do steel pipes handle thermal expansion?: Steel pipes handle thermal expansion by expanding and contracting with changes in temperature. The high thermal conductivity of steel allows it to transfer heat quickly, preventing excessive expansion. Additionally, the flexibility of steel allows it to absorb the expansion and contraction without compromising the integrity of the pipe.

Q: How do you repair a damaged steel pipe?: To repair a damaged steel pipe, the first step is to identify the extent of the damage. If the damage is minor, it can be fixed using a pipe repair clamp or a stainless-steel wrap. For larger damages, a cut and replace method may be necessary, where the damaged section is cut out and replaced with a new piece of pipe. In some cases, welding or soldering techniques may be required. It is important to consult with a professional plumber or pipe repair specialist to ensure the correct repair method is used for the specific situation.

Q: Are steel pipes environmentally friendly?: Steel pipes can be considered environmentally friendly for several reasons. Firstly, steel is a highly durable and long-lasting material, which means that steel pipes have a longer lifespan compared to other materials like plastic pipes. This reduces the need for frequent replacements and repairs, reducing waste and conserving resources. Secondly, steel is a highly recyclable material. At the end of their lifespan, steel pipes can be easily and efficiently recycled, without losing their properties or quality. This reduces the demand for new steel production, which often requires significant amounts of energy and resources. Furthermore, steel pipes have a high resistance to corrosion, which means that they require fewer chemical treatments to prevent rusting and maintain their structural integrity. This reduces the release of harmful chemicals into the environment and minimizes the impact on ecosystems and human health. It is also worth mentioning that steel pipes are used in various industries, including water supply and wastewater management. Steel pipes are known for their excellent strength and reliability, ensuring the safe and efficient transportation of fluids. This reduces the risk of leaks and spills, preventing contamination of water sources and protecting the environment. However, it is important to note that the production of steel pipes does have some environmental impact. The extraction of raw materials, such as iron ore and coal, requires energy and can contribute to deforestation, habitat destruction, and greenhouse gas emissions. Additionally, the manufacturing process itself generates emissions and waste. Overall, while steel pipes may not be completely free from environmental impact, their durability, recyclability, and resistance to corrosion make them a relatively environmentally friendly choice compared to other materials.

Q: What is the difference between steel pipe and aluminum pipe?: The main difference between steel pipe and aluminum pipe lies in their composition and physical properties. Steel pipes are primarily made of iron and carbon, with other elements added to enhance their strength and corrosion resistance. On the other hand, aluminum pipes are made entirely of aluminum, which is a lightweight and highly corrosion-resistant metal. One significant distinction between steel and aluminum pipes is their weight. Steel is a denser material compared to aluminum, meaning that steel pipes are generally heavier and sturdier. This characteristic makes steel pipes suitable for applications requiring higher structural strength and load-bearing capabilities. Aluminum pipes, on the other hand, offer distinct advantages due to their lightweight nature. They are around one-third the weight of steel pipes, making them easier to handle, transport, and install. This lightweight property also makes aluminum pipes more suitable for applications where weight reduction is crucial, such as in aerospace and automotive industries. Another crucial aspect to consider is corrosion resistance. Steel pipes are prone to rusting and corrosion, especially when exposed to moisture or corrosive environments. To combat this, steel pipes are often coated with protective layers or galvanized to enhance their resistance to corrosion. Aluminum pipes, on the other hand, have excellent natural corrosion resistance due to the formation of a thin layer of aluminum oxide on their surface. This oxide layer acts as a protective barrier, preventing further corrosion and degradation. Cost is another factor to consider when comparing steel and aluminum pipes. Steel pipes are generally more cost-effective compared to aluminum pipes, primarily due to the lower cost of raw materials and manufacturing processes involved. However, it is essential to consider the specific requirements and durability needed for the intended application, as the long-term maintenance costs and lifespan of steel and aluminum pipes may vary. In summary, the difference between steel and aluminum pipes can be summarized based on their weight, strength, corrosion resistance, and cost. Steel pipes are heavier, stronger, and more prone to rusting and corrosion but are generally more cost-effective. Aluminum pipes are lightweight, corrosion-resistant, and costlier but offer advantages in weight reduction and specific applications where corrosion resistance is crucial. Ultimately, the choice between steel and aluminum pipes depends on the specific needs of the project and the desired properties for optimal performance.

Q: How are steel pipes used in the transportation of liquids and gases?: Due to their durability, strength, and resistance to corrosion, steel pipes find wide applications in the transportation of liquids and gases. Various industries such as oil and gas, water supply, and chemical processing commonly employ them. For the transportation of liquids, steel pipes serve as conduits for crude oil, refined petroleum products, water, and other fluids. These pipes are designed to withstand high pressure and maintain the integrity of the liquid being transported. The smooth inner surface of steel pipes minimizes friction, enabling efficient flow and reduced energy consumption. Moreover, the strength of steel pipes ensures that they can support the weight of the liquid without deformation or failure. In gas transportation, steel pipes are indispensable for the safe conveyance of natural gas, propane, and other compressed gases over long distances. These pipes are engineered to endure high pressures and extreme temperatures. They are also designed to prevent leakage, which is of utmost importance when dealing with flammable or toxic gases. The strength and durability of steel pipes make them ideal for withstanding the stress and strain that may occur during gas transportation. Additionally, steel pipes are frequently utilized in the construction of pipelines for long-distance transportation of liquids and gases. These pipelines can span hundreds or even thousands of kilometers, and steel pipes are the preferred choice due to their high strength and long-term reliability. They can bear the weight of the pipe and the substance being transported, as well as external forces such as soil pressure and temperature fluctuations. In summary, steel pipes play a vital role in the transportation of liquids and gases. Their durability, strength, and resistance to corrosion make them the preferred choice for conveying various substances over long distances. Whether it is for oil and gas, water supply, or chemical processing, steel pipes ensure the safe and efficient transportation of fluids and gases, contributing to the functioning of various industries and economies worldwide.

Q: How are steel pipes used in the manufacturing of power distribution systems?: Steel pipes are commonly used in the manufacturing of power distribution systems as they provide a reliable and durable solution for transporting and protecting electrical cables. They are used to create conduits that house the cables, ensuring safe and efficient transmission of electricity throughout the system. Steel pipes also offer resistance to corrosion, fire, and extreme weather conditions, making them a suitable choice for power distribution systems.

Q: How does the price of steel pipes fluctuate?: The price of steel pipes can fluctuate due to several factors, including changes in raw material costs, supply and demand dynamics, global economic conditions, and trade policies. For example, a rise in the cost of iron ore or other metals used in steel production can lead to an increase in the price of steel pipes. Similarly, a decrease in demand for construction or infrastructure projects can lower the demand for steel pipes, leading to a decrease in prices. Additionally, changes in trade policies, such as tariffs or restrictions on imports or exports, can also impact steel pipe prices. Overall, the price of steel pipes is influenced by various market forces and external factors, causing it to fluctuate over time.

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