SSAW CARBON STEEL PIPE 219-3920MM API ASTM

SSAW CARBON STEEL PIPE 219-3920MM API ASTM System 1

SSAW CARBON STEEL PIPE 219-3920MM API ASTM

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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:Can steel pipes be used for hydropower systems?: Hydropower systems can indeed utilize steel pipes. For a variety of purposes in these systems, steel pipes are commonly employed, particularly for penstocks, which facilitate the transportation of water from a reservoir to a turbine. The strength, durability, and capacity to withstand high pressure and water flow make steel pipes a preferred option. Additionally, their resistance to corrosion ensures their suitability for long-term usage in hydropower systems. Moreover, the ease of welding or joining steel pipes enables flexibility in system design and installation. In summary, steel pipes are a dependable and extensively utilized alternative for hydropower systems.

Q:How can two smooth steel pipes be joined? The size of the two pipe is different (except for welding): Rectangular fastener: used for the connection of two vertical intersecting steel tubes. It relies on the frictional force between the fastener and the steel tube to carry the load.Swivel fastener: used for connecting two steel tubes intersecting at any angle

Q:What is the role of steel pipes in the mining and extraction of minerals?: The mining and extraction of minerals heavily rely on steel pipes, which have a vital role to play. These pipes are extensively utilized in diverse mining operations for the transportation of fluids like water and slurry. Moreover, they are employed to offer structural reinforcement and ventilation within underground mines. A fundamental application of steel pipes in mining is the transportation of water and slurry. Water is an essential component in the mining process, serving purposes such as dust suppression, ore processing, and site rehabilitation. The creation of a pipeline network using steel pipes enables the efficient transfer of water from its source, such as a reservoir or dam, to various areas within the mine. Similarly, slurry, a mixture of crushed minerals and water, is frequently conveyed through steel pipes to processing plants or tailings dams. Structural support is another critical function fulfilled by steel pipes in underground mines. The extraction of valuable mineral deposits necessitates the construction of tunnels and shafts. To endure the immense pressure exerted by the surrounding rock and prevent collapses, these underground excavations require reinforcement. Steel pipes, acting as support structures like roof bolts and rock bolts, strengthen the walls and roofs of these tunnels and shafts, thereby ensuring miner safety and maintaining the stability of the mine structure. Furthermore, steel pipes are employed in ventilation systems within underground mines. Proper ventilation is vital for mining operations, ensuring a continuous supply of fresh air, removal of harmful gases, and control of temperature and humidity levels. Steel pipes are utilized to create ventilation shafts and ducts, facilitating the smooth flow of air throughout the mine. This aids in preventing the accumulation of toxic gases, dust, and excessive heat, thereby maintaining a safe and healthy working environment for miners. To summarize, steel pipes are indispensable for the mining and extraction of minerals. They facilitate the transportation of fluids, offer structural reinforcement in underground mines, and contribute to efficient ventilation systems. The absence of steel pipes would significantly impede the efficient and safe extraction of minerals from mines.

Q:How many fasteners are there in a ton of steel tubes?: The fastener generally refers to the intermediate connecting parts connecting two members, in the construction project for external diameter of steel pipe scaffold with 48mm fixation, the fastener is divided into rectangular fastener (cross directional fastener fastener) rotary fastener (universal movable fastener fastener) (a direct docking fastener fastener fastener) etc..

Q:What are the different types of steel pipe supports for high-temperature applications?: There are several types of steel pipe supports designed specifically for high-temperature applications. Some common ones include rigid supports, such as rigid hangers and clamps, which provide strong support and prevent pipe movement. Expansion joints are also used to accommodate thermal expansion and contraction in the pipes. Additionally, spring supports and constant supports are employed to absorb vertical movement and maintain a consistent pipe elevation.

Q:What is the difference between black and galvanized steel pipes?: The main difference between black and galvanized steel pipes lies in their coating. Black steel pipes are untreated and have a dark, uncoated appearance, while galvanized steel pipes are coated with a layer of zinc to prevent corrosion. This zinc coating on galvanized pipes helps protect against rust and extends their lifespan, making them suitable for outdoor and exposed applications. Black steel pipes, on the other hand, are typically used for indoor applications and are often painted or coated after installation to prevent rusting.

Q:How do steel pipes perform in earthquake-prone regions?: Steel pipes perform well in earthquake-prone regions due to their high strength and ductility. They are capable of flexing and absorbing seismic energy, reducing the risk of catastrophic failure. Additionally, steel pipes can be designed with proper reinforcement to withstand ground movements, making them a reliable choice for infrastructure in earthquake-prone areas.

Q:What are the factors affecting the durability of steel pipes?: There are several factors that can affect the durability of steel pipes, including the quality of the steel used, the manufacturing process, the environment in which the pipes are installed, and the maintenance and care given to the pipes.

Q:How are steel pipes insulated?: Steel pipes are commonly insulated using a variety of materials such as fiberglass, mineral wool, or foam insulation. These insulating materials are typically wrapped around the steel pipes to prevent heat loss or gain, as well as to protect against corrosion and condensation. Additionally, a vapor barrier may be applied to further enhance the insulation performance.

Q:What is the impact of steel pipe size on flow rate and pressure?: The size or diameter of a steel pipe has a significant impact on both flow rate and pressure. Firstly, the flow rate refers to the volume of fluid that can pass through the pipe per unit of time. A larger pipe diameter allows for a greater flow rate as there is more space for the fluid to move through. This is due to the fact that a larger cross-sectional area of the pipe offers less resistance to the flow of fluid. Therefore, increasing the size of the steel pipe will generally lead to an increase in flow rate. Secondly, the pressure within a pipe is influenced by its size. As the fluid flows through a pipe, it encounters resistance due to friction against the walls of the pipe. This resistance leads to a pressure drop along the length of the pipe. A smaller pipe diameter results in higher frictional losses, which leads to a greater pressure drop. On the other hand, a larger pipe diameter reduces frictional losses and therefore results in a lower pressure drop. Consequently, increasing the size of the steel pipe will generally lead to a decrease in pressure drop. It is important to note that while increasing the size of a steel pipe may generally result in a higher flow rate and lower pressure drop, there are other factors that can also affect these parameters. These include the fluid properties, the length and layout of the pipe, and any additional components such as valves or fittings. Therefore, it is crucial to consider all these factors and conduct proper calculations or simulations to accurately determine the impact of steel pipe size on flow rate and pressure in a specific system.

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