SSAW STEEL PIPE 219-3920MM ASTM A106 System 1

SSAW STEEL PIPE 219-3920MM ASTM A106 System 2

SSAW STEEL PIPE 219-3920MM ASTM A106

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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: What is the typical diameter range for steel pipes?: The typical diameter range for steel pipes can vary depending on the specific application and industry requirements. However, in general, steel pipes can have diameters ranging from as small as 0.5 inches (12.7 millimeters) up to several feet (over a meter) in diameter. The most commonly used steel pipes for various purposes, such as plumbing, construction, and transportation of fluids or gases, typically fall within the range of 1/2 inch (13 millimeters) to 36 inches (914 millimeters) in diameter. It is important to note that larger diameter steel pipes are often used for industrial applications, such as oil and gas pipelines, while smaller diameter pipes are commonly used for residential and commercial plumbing systems.

Q: How much is the tube?: The theoretical weight calculation formula of ordinary carbon steel tube is:The weight of each meter is kg/m= (outer diameter mm-, wall thickness mm) * wall thickness mm*0.02466For example: inventory 20# pipe diameter of 108*4.5 weight per meter:Kg/m= (108-4.5) *4.5*0.02466=11.485In accordance with the diameter of 108*4.5 steel pipe market price is 4500 yuan / ton as an example, we can know the diameter of 108*4.5 steel pipe per meter price: 11.485*4.5=51.68 yuan.

Q: How do you calculate the pipe flow velocity coefficient for steel pipes?: The Manning's equation is employed to determine the flow velocity in open channels and pipes, taking into consideration the hydraulic radius, slope, and roughness coefficient of the pipe. By applying this equation, the pipe flow velocity coefficient for steel pipes can be calculated. To ascertain the pipe flow velocity coefficient for steel pipes, the following steps should be followed: 1. Calculate the hydraulic radius (R) of the steel pipe by dividing the cross-sectional area (A) of the pipe by the wetted perimeter (P). The formula to use is R = A/P. 2. Determine the slope (S) of the pipe, which is the change in elevation divided by the length of the pipe. Usually, it is expressed as a ratio or a percentage. 3. Obtain the roughness coefficient (n) of the steel pipe, representing the internal roughness of the pipe. This information can be found in literature or pipe manufacturer specifications, often given in terms of the Manning's roughness coefficient. 4. Insert the values of hydraulic radius (R), slope (S), and roughness coefficient (n) into the Manning's equation: V = (1/n) * R^(2/3) * S^(1/2) where V signifies the flow velocity. 5. Solve the equation for V to calculate the pipe flow velocity coefficient for steel pipes. It is crucial to note that the calculated velocity coefficient may differ depending on specific pipe dimensions, flow conditions, and other factors. Therefore, it is advisable to consult relevant engineering standards or seek guidance from a hydraulic engineer to ensure accurate and reliable calculations for specific applications.

Q: What is the weight of hot galvanized steel tubes? DN150 4mm wall thickness: GB/T3091-2008: DN150 welded steel pipe, wall thickness of 6mm, the theory of the weight of welded steel pipe 24.02kg/m, galvanized steel pipe should be multiplied by the weight coefficient after galvanizing, C, DN150, wall thickness of 6mm, C=1.02, DN150, theoretical weight and wall thickness of 6mm galvanized steel 1.02*24.02= 24.5kg/m.

Q: Can steel pipes be used for bridge piling?: Yes, steel pipes can be used for bridge piling. Steel pipes are commonly used in bridge construction due to their strength, durability, and resistance to corrosion. They provide sufficient load-bearing capacity and can be driven deep into the ground to provide stable support for bridges.

Q: Can steel pipes be used for compressed air systems?: Yes, steel pipes can be used for compressed air systems. Steel pipes are commonly used for their strength and durability, making them suitable for handling the high pressures involved in compressed air systems. However, it is important to ensure that the steel pipes are specifically designed and rated for compressed air applications to ensure safety and prevent any potential leaks or failures.

Q: How are steel pipes used in the construction of oil refineries?: Steel pipes are extensively used in the construction of oil refineries for various purposes. They are primarily used for transporting crude oil, refined petroleum products, and various chemicals within the refinery complex. Steel pipes are also utilized for the distribution of water, steam, and other fluids required for the refining processes. Additionally, they are employed in the construction of equipment such as heat exchangers, reactors, and storage tanks, where they provide structural support and ensure efficient fluid flow. Overall, steel pipes play a critical role in the reliable and safe operation of oil refineries.

Q: What are the different methods of lining steel pipes?: There are several methods of lining steel pipes, each with its own advantages and uses. Some common methods include: 1. Cement Mortar Lining: This involves the application of a layer of cement mortar on the inner surface of the steel pipe. Cement mortar provides excellent corrosion resistance and smoothness to the pipe, reducing friction and improving flow rates. It is commonly used in water supply systems and sewage treatment plants. 2. Polyethylene (PE) Lining: PE lining involves the insertion of a polyethylene tube into the steel pipe. The tube is usually heat fused or mechanically connected to the steel pipe, creating a seamless and corrosion-resistant lining. PE lining is commonly used in gas transmission and distribution pipelines. 3. Epoxy Lining: Epoxy lining involves the application of an epoxy resin to the inner surface of the steel pipe. Epoxy coatings provide excellent resistance to corrosion, abrasion, and chemicals, making them suitable for various applications such as oil and gas pipelines, water treatment, and industrial processes. 4. Trenchless Pipe Lining: This method is used to rehabilitate existing steel pipes without the need for excavation. It involves the insertion of a liner or resin-coated fabric into the existing pipe, which is then inflated and cured to form a new lining. Trenchless pipe lining is commonly used for sewer and water main rehabilitation. 5. Polyurethane (PU) Lining: PU lining involves spraying or pouring a polyurethane coating onto the inner surface of the steel pipe. Polyurethane linings provide excellent resistance to abrasion, impact, and chemicals, making them suitable for applications in mining, slurry pipelines, and wastewater treatment. These are just a few of the many methods available for lining steel pipes. The choice of lining method depends on factors such as the intended application, the environment, and the desired level of corrosion resistance and durability.

Q: What is the impact resistance of steel pipes?: Steel pipes have a high level of impact resistance thanks to the natural properties of steel. Steel, known for its strength and durability, can endure substantial external forces and impacts without deforming or breaking. The impact resistance of steel pipes is further improved by their construction and design. Various manufacturing techniques, such as seamless or welded construction, are used to create steel pipes, ensuring uniformity and strength throughout the structure. This construction process eliminates weak points or seams that could compromise the pipe's impact resistance. Additionally, steel pipes can be customized to meet specific impact resistance requirements based on their intended use. Different grades and types of steel can be utilized to achieve varying levels of impact resistance, allowing for customization to suit different industries and environments. The excellent impact resistance of steel pipes is particularly advantageous in industries such as construction, oil and gas, and transportation. These industries subject pipes to heavy loads, pressure, and potential impacts. Steel pipes can withstand these harsh conditions, making them a dependable choice for a wide range of applications. To summarize, steel pipes have outstanding impact resistance due to the inherent strength and durability of steel, as well as the construction techniques employed during manufacturing. Steel pipes can withstand significant external forces and impacts, making them a reliable and sturdy option for various industries and applications.

Q: How are steel pipes used in the construction of sewer systems?: Steel pipes are commonly used in the construction of sewer systems due to their durability and strength. These pipes are used to transport sewage and wastewater from households and businesses to treatment plants or disposal sites. They are resistant to corrosion and can withstand high pressure, making them ideal for underground installations. Additionally, steel pipes can be manufactured in various sizes and lengths, allowing for efficient and cost-effective installation in sewer infrastructure.

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