Stainless Steel Welded Pipe ASTM A358/A312/A316
- Ref Price:
-
$3,800.00 - 4,500.00
/ m.t.
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 45 m.t.
- Supply Capability:
- 9000 m.t./month
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1、Structure of Stainless Steel Welded Pipe ASTM A358/A312/A316 Description：
Stainless steel welded pipe is actually a cover term, covering a wide range of alloy and making them suitable for different attributes that are used in a very wide and large numbers of different industries.
Stainless steel pipe is resistant to erosion, highly flexible, powerful, easy to use, and can be done in distinct approaches, which means that more and more stainless steel was used as a construction material for large-scale, high impact buildings.
2、Main Features of the Stainless Steel Welded Pipe ASTM A358/A312/A316：
• High manufacturing accuracy
• High strength
• Good visual effect
•Reasonable price
3、Stainless Steel Welded Pipe ASTM A358/A312/A316 Images：
4、Stainless Steel Welded Pipe ASTM A358/A312/A778 Specification：
Size：
Outside diameter | Outside | Thickness | ||||
SCH 5S | SCH 10S | SCH 20S | SCH 40S | |||
(A) | (B) | mm | mm | mm | mm | mm |
350 | 14′ | 355.6 | 3.96 | 4.78 | 7.92 | 11.13 |
400 | 16′ | 406.4 | 4.19 | 4.78 | 7.92 | 12.7 |
450 | 18′ | 457.2 | 4.19 | 4.78 | 7.92 | 14.27 |
500 | 20′ | 508 | 4.78 | 5.54 | 9.53 | 15.09 |
550 | 22′ | 558.8 | 4.78 | 5.54 | 9.53 | 15.09 |
600 | 24′ | 609.6 | 5.54 | 6.35 | 9.53 | 17.48 |
650 | 26′ | 660.4 | 5.54 | 7.92 | 12.7 | 17.48 |
700 | 28′ | 711.2 | 5.54 | 7.92 | 12.7 | 17.48 |
750 | 30′ | 762 | 6.35 | 7.92 | 12.7 | 17.48 |
800 | 32′ | 812.8 |
| 7.9 | 12.7 | 17.48 |
Tolerances on dimensions table：
Standard | Outside(mm) | Thickness(mm) | Length(mm) | |
ASTM A312 | ≤48.26 | -0.4 | +No special provisions(Unspecified)-12.50% | Appoint LengthDefinite cut length+6.40 |
＞48.26~114.30 | 0 | 0 | ||
＞114.30~219.08 | 0.8 |
| ||
＞219.08~457.20 | 1.6 |
| ||
＞457~660 | -4 |
| ||
＞660~864 | -5 |
| ||
＞864~1219 | -5.6 |
| ||
JIS G3459 | ＜30.00 ±0.30≥30.00 ±1.00% | ＜2.00 ±0.20≥2.00 ±10% | Appoint LengthDefinite cut Length | |
5、FAQ of Stainless Steel Welded Pipe ASTM A358/A312/A778：
①How is the quality of your products?
Our products are manufactured strictly according to national and internaional standard, and we take a test on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.
②How about price?
Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.
③Why should you chose us?
Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.
Any question, pls feel free to contact us !
- Q:What are the different methods of insulating steel pipes?
- There are several different methods of insulating steel pipes, depending on the specific needs and requirements of the application. Some of the common methods include: 1. Insulation wraps: This method involves wrapping the steel pipes with insulating materials such as fiberglass, mineral wool, or foam insulation. The insulation is then secured with adhesive or tape to ensure a tight and secure fit. Insulation wraps are cost-effective and relatively easy to install, making them a popular choice for many applications. 2. Insulation coatings: This method involves applying a layer of insulating material directly onto the surface of the steel pipe. The coating can be made from materials such as epoxy, polyurethane, or polyethylene. Insulation coatings are ideal for situations where the pipes are exposed to harsh environments, as they provide a protective barrier against corrosion and temperature fluctuations. 3. Insulation jackets: This method involves using pre-fabricated insulation jackets that are designed to fit over the steel pipes. These jackets are typically made from a combination of insulation materials and a weatherproof outer layer. Insulation jackets are commonly used for outdoor or exposed pipelines, as they provide excellent insulation and protection against external elements. 4. Insulation foam: This method involves injecting foam insulation into the cavity between the steel pipe and an outer casing. The foam expands and hardens, creating a sealed and insulated layer around the pipe. Foam insulation is highly effective in preventing heat loss or gain, and it also provides excellent soundproofing properties. 5. Insulation tapes: This method involves using specialized insulation tapes that are wrapped around the steel pipes. These tapes are typically made from materials such as PVC or rubber, which have good insulating properties. Insulation tapes are often used for smaller pipes or joints, as they provide a flexible and easy-to-apply solution. It is important to consider factors such as the operating temperature, environmental conditions, and specific requirements of the application when choosing the appropriate method of insulating steel pipes. Consulting with a professional or insulation specialist can help in determining the most suitable insulation method for your specific needs.
- Q:What are the different grades of steel pipes?
- There are several different grades of steel pipes, including carbon steel, stainless steel, and alloy steel. Each grade has its own unique properties and is used for specific applications based on factors such as strength, corrosion resistance, and temperature resistance.
- Q:Can steel pipes be used for conveying oil?
- Yes, steel pipes are commonly used for conveying oil due to their durability, strength, and resistance to corrosion. They are able to withstand high pressure and temperature conditions, making them ideal for transporting oil over long distances.
- 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 power generation sector?
- Steel pipes are commonly used in the power generation sector for various applications such as transporting water, steam, and other fluids within power plants. They are used for conveying high-pressure steam to drive turbines and generate electricity, as well as for transporting cooling water to regulate temperature in power plants. Additionally, steel pipes are used in the construction of power plant infrastructure, including the fabrication of boiler tubes, condenser tubes, and other critical components that ensure efficient and reliable power generation.
- Q:How are steel pipes used in tunnel construction?
- Steel pipes are used in tunnel construction as structural elements to provide support and stability to the tunnels. They are commonly used in tunnel lining systems to create a strong and durable structure that can withstand the pressure and weight of the surrounding soil or rock. Steel pipes are also used for ventilation systems, drainage systems, and for carrying utilities such as water, gas, or electricity through the tunnel.
- Q:How are steel pipes marked for identification?
- Steel pipes are typically marked for identification using various methods such as color coding, stenciling, engraving, or applying tags with relevant information such as size, grade, manufacturer, and specifications.
- Q:How are steel pipes used in the food and beverage industry?
- Steel pipes are commonly used in the food and beverage industry for various purposes such as transporting liquids, gases, and solids, as well as for structural support. These pipes are highly durable, corrosion-resistant, and can withstand extreme temperatures, making them ideal for handling food and beverage materials safely and hygienically. They are used in applications like conveying water, oils, and gases, as well as in food processing equipment, brewing systems, and dairy processing plants. Additionally, steel pipes are also utilized for storage tanks, piping systems, and infrastructure in the food and beverage industry.
- Q:How do you calculate the pipe pressure drop coefficient for steel pipes?
- To calculate the pipe pressure drop coefficient for steel pipes, you can use the Darcy-Weisbach equation. This equation relates the pressure drop in a pipe to various factors such as the flow rate, pipe diameter, pipe length, and the properties of the fluid being transported. The pressure drop coefficient, also known as the friction factor or the Darcy-Weisbach friction factor, is denoted by the symbol f. It is a dimensionless parameter that represents the resistance to flow in the pipe. The value of f depends on the flow regime, which can be laminar or turbulent. For laminar flow, which occurs at low flow rates or with viscous fluids, the pressure drop coefficient can be calculated using the Hagen-Poiseuille equation. This equation relates the pressure drop to the fluid viscosity, pipe length, pipe diameter, and flow rate. However, for turbulent flow, which occurs at higher flow rates, the calculation of the pressure drop coefficient is more complex. It depends on the roughness of the pipe wall, which affects the flow resistance. The roughness is typically quantified using the relative roughness, which is the ratio of the pipe wall roughness to the pipe diameter. To calculate the pressure drop coefficient for turbulent flow in steel pipes, you can use empirical correlations or Moody's diagram. Moody's diagram provides a graphical representation of the friction factor as a function of the Reynolds number and the relative roughness. The Reynolds number represents the flow regime and is calculated using the fluid properties, flow rate, and pipe dimensions. By finding the intersection of the Reynolds number and relative roughness on Moody's diagram, you can determine the corresponding pressure drop coefficient. It's important to note that the pressure drop coefficient for steel pipes may vary depending on the specific pipe dimensions, surface roughness, and fluid properties. Therefore, it is recommended to consult relevant standards or engineering references for accurate and up-to-date values of the pressure drop coefficient for steel pipes in your specific application.
- Q:How are steel pipes tested for pressure and leakage?
- To ensure the safety and reliability of steel pipes, various methods are employed to test them for pressure and leakage. Hydrostatic testing is a commonly used technique, whereby the pipe is filled with water and subjected to a specific pressure for a set period of time. This examination aims to detect any weaknesses or leaks by observing if there is a drop in pressure or visible water leakage. The test carefully monitors and measures the pressure, and if the pipe successfully withstands the required pressure without any signs of leakage, it is deemed to have passed. In addition to hydrostatic testing, other non-destructive methods can also be utilized. Ultrasonic testing, for instance, employs high-frequency sound waves to identify flaws or defects in the pipe material. Similarly, magnetic particle testing involves the application of a magnetic field to the pipe and inspecting it for any magnetic particles that may indicate cracks or imperfections. Furthermore, visual inspection is a crucial component of the pressure and leakage testing of steel pipes. Trained inspectors thoroughly examine both the exterior and interior surfaces of the pipe to detect any visible signs of damage, such as corrosion, cracks, or faulty welds. This visual assessment aids in identifying potential weak points that may lead to leaks or failures under pressure. In summary, a comprehensive evaluation of steel pipes for pressure and leakage involves a combination of hydrostatic testing, non-destructive methods, and visual inspection. These rigorous procedures guarantee that the pipes meet the required standards and are safe for their intended applications.
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Stainless Steel Welded Pipe ASTM A358/A312/A316
- Ref Price:
-
$3,800.00 - 4,500.00
/ m.t.
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 45 m.t.
- Supply Capability:
- 9000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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