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 | 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 do you calculate the pipe volume flow rate for steel pipes?
- In order to determine the volume flow rate of steel pipes, one must take into account the diameter of the pipe and the velocity of the fluid. The formula utilized in this calculation is Q = A * V, where Q represents the volume flow rate, A denotes the cross-sectional area of the pipe, and V represents the fluid velocity. To initiate the process, the cross-sectional area of the pipe must be determined. In the case of a circular pipe, the formula A = π * r² can be employed, where A signifies the area and r denotes the radius of the pipe. If the diameter of the pipe is provided, dividing it by 2 will yield the radius. Subsequently, the fluid velocity must be established. This can be accomplished by directly measuring the velocity using a flowmeter or by calculating it based on the properties of the fluid and the pressure drop across the pipe using the Bernoulli equation or other suitable equations. Once the cross-sectional area and fluid velocity have been determined, they can be multiplied together to ascertain the volume flow rate. It is important to maintain consistent units throughout the calculation. For instance, if the area is expressed in square meters and the velocity is in meters per second, the resulting volume flow rate will be in cubic meters per second. It is worth noting that this calculation assumes the fluid to be incompressible and flowing steadily through the pipe. If there are alterations in the fluid properties or flow conditions, additional considerations may need to be taken into account in order to accurately calculate the volume flow rate.
- Q: What is the difference between black and galvanized steel pipes?
- The main difference between black and galvanized steel pipes lies in their protective coating. Black steel pipes are not coated, making them more susceptible to corrosion, while galvanized steel pipes are coated with a layer of zinc to prevent rusting and increase longevity.
- Q: What are the common materials used for pipe fittings in steel pipes?
- The common materials used for pipe fittings in steel pipes include carbon steel, stainless steel, and alloy steel. Carbon steel pipe fittings are widely used due to their affordability, strength, and durability. They are suitable for various applications, including oil and gas, petrochemical, and water distribution systems. Stainless steel pipe fittings are highly resistant to corrosion and are commonly used in industries that require a high level of hygiene, such as food and beverage and pharmaceutical industries. Alloy steel pipe fittings are composed of multiple elements, such as chromium, nickel, and molybdenum, to enhance their strength and resistance to corrosion. These fittings are often used in high-pressure and high-temperature applications, such as power plants and chemical plants. Overall, the choice of material for pipe fittings in steel pipes depends on the specific requirements of the application and the environment in which they will be used.
- Q: How are steel pipes protected against abrasive wear?
- Steel pipes are protected against abrasive wear through various methods such as using protective coatings, lining the pipes with wear-resistant materials, or employing internal or external liners. These measures ensure that the steel pipes can withstand the erosive effects of abrasive materials and extend their lifespan.
- Q: How do you join steel pipes together?
- Steel pipes can be joined together using various methods, including welding, threaded connections, flanges, and mechanical couplings. The most common method is welding, where the ends of the pipes are heated and fused together using a welding electrode. Threaded connections involve screwing the pipes together using male and female threads. Flanges are used for larger pipes and involve bolting two flanges together with a gasket in between. Mechanical couplings use compression or clamping mechanisms to connect pipes without the need for welding or threading.
- Q: What is the difference between steel pipes and aluminum pipes?
- The main difference between steel pipes and aluminum pipes lies in their composition and properties. Steel pipes are made of an alloy of iron and carbon, which provides them with excellent strength and durability. They are often used in applications that require high-pressure or extreme temperatures. On the other hand, aluminum pipes are composed of aluminum, a lightweight metal that offers good corrosion resistance. Aluminum pipes are commonly used in industries where weight is a concern, such as aerospace and automotive. Overall, the choice between steel and aluminum pipes depends on the specific requirements of the application.
- Q: How are steel pipes used in the manufacturing of boilers?
- Due to their strength, durability, and heat-resistant properties, steel pipes are essential components in the manufacturing of boilers. Boilers are utilized in various industrial and commercial applications to generate steam or heat water. The construction of boiler tubes is where steel pipes are primarily employed, as they function as the main heat transfer medium. Considering the high temperatures and pressure that these tubes are subjected to, it is crucial to use a material that can withstand such extreme conditions. Steel, with its excellent mechanical properties and corrosion resistance, is the ideal choice for this purpose. To create the boiler tubes, the manufacturing process involves shaping and sizing the steel pipes accordingly. These tubes are then connected to form a network of channels through which hot gases or water can flow. Depending on the boiler design requirements, the steel pipes utilized in this process are often seamless or welded. For the safety and efficiency of the system, the steel pipes used in boilers must meet stringent quality standards. They are subjected to tests to ensure their ability to withstand high pressure, temperature, and corrosion. Furthermore, inspections and tests such as ultrasonic testing and radiographic examination are conducted to identify any defects or flaws that might compromise the performance of the boiler. In conclusion, steel pipes play a critical role in the manufacturing of boilers by serving as the primary material for boiler tubes. Their strength, durability, and heat-resistant properties make them suitable for enduring high temperatures and pressure. These pipes undergo rigorous testing to guarantee their quality and reliability in creating efficient and safe boiler systems.
- Q: Can steel pipes be used for underground sewer lines?
- Indeed, underground sewer lines can certainly utilize steel pipes. Given their robustness, resilience, and resistance against corrosion, steel pipes are widely employed in sewer systems. They possess the capacity to withstand the immense burden of soil and external forces, rendering them highly suitable for subterranean purposes. Moreover, steel pipes boast an extended lifespan and excel in efficiently conveying wastewater and sewage over numerous years. However, it remains crucial to guarantee the appropriate coating or lining of these steel pipes to avert corrosion and further elongate their durability.
- Q: How can seamless steel tubes be produced?
- Seamless steel tubes are made of ingots or billets made by piercing and are then made by hot rolling, cold rolling or cold casting. Seamless steel tube plays an important role in the steel tube industry of our country. According to incomplete statistics, China's existing seamless tube production enterprises about more than 240, seamless steel pipe units about more than 250 units, with an annual output capacity of about about 4500000 tons. From the caliber, 35% of phi 76, less than phi 159-650, accounting for 25%. From the species point of view, the general use of 1 million 900 thousand tons of pipe, accounting for 54%; oil pipe 760 thousand tons, accounting for 5.7%; hydraulic props, precision pipe 150 thousand tons, accounting for 4.3%; stainless steel pipe, bearing tube, automobile tube 50 thousand tons, accounting for 1.4%.
- Q: Can steel pipes be used for power plant construction?
- Yes, steel pipes can be used for power plant construction. Steel pipes are commonly used in power plants for various applications such as steam piping, water piping, and air/gas piping. They are preferred due to their strength, durability, and ability to withstand high temperatures and pressures. Steel pipes also have excellent corrosion resistance properties, which is crucial in power plant environments where different fluids and gases are transported. Additionally, steel pipes can be easily welded, allowing for efficient installation and maintenance. Overall, steel pipes are a reliable and cost-effective choice for power plant construction.
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SSAW CARBON STEEL PIPE 219-3920MM API ASTM
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
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