Stainless Steel Welded Pipe ASTM A358/A312/A778
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- Loading Port:
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- 25 m.t.
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1、Structure of Stainless Steel Welded Pipe ASTM A358/A312/A778 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. It can be molded, rolling, and it can create amazing shapes to make it perfect, It is used as experimental buildings, The use of steel pipe welding of large stainless steel covers other examples.
2、Main Features of the Stainless Steel Welded Pipe ASTM A358/A312/A778：
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
•Reasonable price
3、Stainless Steel Welded Pipe ASTM A358/A312/A778 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′ | 508.0 | 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′ | 762.0 | 6.35 | 7.92 | 12.7 | 17.48 |
| 800 | 32′ | 812.8 | 7.90 | 12.7 | 17.48 | |
| 850 | 34 | 863.6 | 7.92 | 12.7 | 17.48 | |
| 900 | 36′ | 914.4 | 7.92 | 12.7 | 19.05 | |
| 1000 | 40′ | 1016.0 | 9.53 | |||
Tolerances on dimensions table：
| Standard | Outside(mm) | Thickness(mm) | Length(mm) | |
| ASTM A312 | ≤48.26 | +0.40 -0.80 | +No special provisions(Unspecified)-12.50% | Appoint LengthDefinite cut length+6.40 -0 |
| ＞48.26~114.30 | +0.80 -0.80 | |||
| ＞114.30~219.08 | +1.60 -0.80 | |||
| ＞219.08~457.20 | +2.40 -0.80 | |||
| ＞457~660 | +3.20/-0.80 | |||
| ＞660~864 | +4.00/-0.80 | |||
| ＞864~1219 | +4.48/-0.80 | |||
| JIS G3459 | ＜30.00 ±0.30≥30.00 ±1.00% | ＜2.00 ±0.20≥2.00 ±10% | Appoint LengthDefinite cut Length | |
| GB/T 12771 | ＜13.00 ±0.2013.00~40.00 ±0.30≥40.00 ±0.80% | ≤4.00 +0.50 -0.60＞4.00 ±10% | +20.00-0 | |
| EN 10217-7 | D1±1.50% with±0.75mm(min)D2±1.00% with±0.50mm(min)D3±0.75% with±0.30mm(min) D4±0.5% with±0.10mm(min) | T1±15.00% with±0.60mm(min)T2±12.5% with±0.40mm(min)T3±10.00% with±0.20mm(min) T4±7.50% with±0.15mm(min) T5±5.00% with±0.10mm(min) EN ISO 1127 | ≤6000 +5.00 -06000~12000 +10.00 -0 | |
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: Can stainless steel pipes be welded?
- Yes, stainless steel pipes can be welded.
- Q: Are stainless steel pipes suitable for desalination plants?
- Yes, stainless steel pipes are suitable for desalination plants. Desalination plants are facilities designed to remove salt and other impurities from seawater or brackish water to produce freshwater. These plants require pipes that can withstand the harsh conditions of the desalination process, which involves high pressure, high temperatures, and exposure to corrosive substances. Stainless steel pipes are an excellent choice for desalination plants due to their inherent corrosion resistance properties. Stainless steel contains a minimum of 10.5% chromium, which forms a thin protective oxide layer on the surface of the material, preventing corrosion and ensuring longevity. This oxide layer acts as a barrier, protecting the steel from the corrosive effects of seawater, brine, and other chemicals used in the desalination process. Furthermore, stainless steel pipes are highly durable and can withstand extreme temperatures and pressures without compromising their structural integrity. They are also resistant to scaling and fouling, which are common issues in desalination plants due to the high concentration of minerals and salts in the water. In addition to their corrosion resistance and durability, stainless steel pipes are also hygienic and easy to clean, making them suitable for desalination plants that require regular maintenance and cleaning to ensure efficient and reliable operation. Overall, stainless steel pipes are an ideal choice for desalination plants due to their corrosion resistance, durability, and ease of maintenance. They can effectively handle the demanding conditions of the desalination process, ensuring the production of high-quality freshwater.
- Q: Can stainless steel pipes be used for desalination systems?
- Yes, stainless steel pipes can be used for desalination systems. Stainless steel is a corrosion-resistant material that can withstand the harsh conditions of desalination processes, which involve the removal of salt and other impurities from seawater. The high corrosion resistance of stainless steel makes it an ideal choice for conveying the treated water, as it helps to maintain the purity of the water and prevent contamination. Additionally, stainless steel pipes offer excellent mechanical properties, such as strength and durability, that are crucial for the efficient functioning of desalination systems.
- Q: How are stainless steel pipes different from galvanized pipes?
- Stainless steel pipes are different from galvanized pipes in terms of their composition and coating. Stainless steel pipes are made from an alloy of steel and chromium, which gives them excellent resistance to corrosion and rust. On the other hand, galvanized pipes are made from steel coated with a layer of zinc to protect against corrosion. While stainless steel pipes are more durable and long-lasting, galvanized pipes are more affordable and suitable for specific applications where corrosion resistance is not a primary concern.
- Q: How do you prevent leaks in stainless steel pipes?
- To prevent leaks in stainless steel pipes, there are various measures that can be taken: 1. Ensuring proper installation: It is crucial to correctly install stainless steel pipes, which involves using suitable fittings and connectors, securely fastening the pipes, and following the installation guidelines provided by the manufacturer. 2. Regular inspection and maintenance: Regularly inspecting stainless steel pipes can help identify any signs of wear, corrosion, or damage that may potentially result in leaks. This can be done through visual inspection or by utilizing non-destructive testing methods like ultrasonic testing. 3. Implementing corrosion prevention measures: While stainless steel pipes are known for their corrosion resistance, certain conditions can still lead to corrosion and potential leaks. The risk can be significantly reduced by implementing corrosion prevention measures such as using corrosion-resistant coatings, cathodic protection systems, or inhibitors. 4. Proper cleaning and maintenance: Regularly cleaning and maintaining stainless steel pipes can help eliminate accumulated debris, dirt, or chemicals that may cause corrosion or damage. This can be achieved by using appropriate cleaning agents and techniques recommended by the manufacturer. 5. Conducting pressure testing: Performing pressure tests on stainless steel pipes is an effective way to identify any weak points or potential leaks. This involves applying pressure to the pipes and monitoring for any pressure drop, which could indicate a leak. Pressure testing should be carried out during installation and periodically thereafter. 6. Controlling temperature: Extreme temperatures can cause thermal expansion or contraction of stainless steel pipes, which may lead to leaks. To prevent this, proper insulation, installation of expansion joints, or utilization of flexible connectors can be employed to accommodate these temperature changes. 7. Regular monitoring and repair: It is crucial to establish a system for regularly monitoring stainless steel pipes for any signs of leaks or damage. This can include periodic inspections, leak detection systems, or remote monitoring technologies. Promptly repairing any identified issues can prevent further damage and potential leaks. By adhering to these preventive measures, the risk of leaks in stainless steel pipes can be significantly minimized, ensuring their durability and preserving the integrity of the system they are a part of.
- Q: Can stainless steel pipes be used in food processing industries?
- Yes, stainless steel pipes are commonly used in food processing industries. Stainless steel is a highly durable and corrosion-resistant material that is capable of withstanding the harsh environments and high temperatures often found in food processing plants. It is also non-reactive, meaning that it does not interact with the food or alter its taste, making it a safe choice for transporting various food products. Additionally, stainless steel pipes are easy to clean and maintain, ensuring hygiene standards are met in the food processing industry.
- Q: What are the common wall thicknesses for stainless steel pipes?
- The common wall thicknesses for stainless steel pipes vary depending on the specific application and industry standards. However, typical wall thicknesses for stainless steel pipes range from Schedule 5S (0.065 inches) to Schedule 80S (0.500 inches) in commercial and industrial settings.
- Q: How do stainless steel pipes compare to brass pipes?
- Stainless steel pipes and brass pipes are both popular choices for various plumbing and industrial applications, but they have distinct differences that make them suitable for different circumstances. Firstly, stainless steel pipes are known for their exceptional durability and corrosion resistance. They can withstand high-pressure environments and are highly resistant to rust and corrosion, making them ideal for applications in harsh conditions or where water quality is a concern. Stainless steel pipes also have a higher melting point than brass pipes, which allows them to handle extreme temperatures without compromising their structural integrity. On the other hand, brass pipes are valued for their excellent thermal conductivity and malleability. They are often used in plumbing systems as they are easy to bend and shape, allowing for greater flexibility during installation. Brass pipes are also known for their aesthetic appeal, as they have a warm, golden color that can enhance the visual appeal of a space. In terms of cost, brass pipes tend to be more expensive than stainless steel pipes. However, brass pipes often have a longer lifespan and require less maintenance, which can offset the initial higher cost. Another factor to consider is the environmental impact. Stainless steel is a highly sustainable material as it is 100% recyclable, making it an eco-friendly choice. Brass, on the other hand, requires a significant amount of energy to produce and is less recyclable than stainless steel. Ultimately, the choice between stainless steel and brass pipes depends on the specific requirements of the project. If durability, corrosion resistance, and long-term reliability are the primary considerations, stainless steel pipes are the preferred option. However, if thermal conductivity, malleability, and aesthetic appeal are more important, brass pipes may be the better choice.
- Q: What is the difference between seamless and extruded stainless steel pipes?
- Seamless and extruded stainless steel pipes are utilized in various industries and applications, but they differ in several ways. 1. Manufacturing Process: The manufacturing process distinguishes seamless and extruded stainless steel pipes. Seamless pipes are formed through hot rolling or hot extrusion, where a heated cylindrical billet is pushed or pulled through a die to create a pipe without any seams. In contrast, extruded pipes are made using cold extrusion, forcing a solid stainless steel billet through a die to achieve the desired shape and size. 2. Seamless Nature: Seamless pipes, as their name suggests, lack any seams or welds along their length. This attribute enhances their strength and structural integrity. In contrast, extruded pipes may display visible seams or welds, potentially compromising the overall structure. 3. Sizes and Dimensions: Seamless pipes offer a wider range of sizes and dimensions compared to extruded pipes. This is due to the flexibility provided by the hot rolling process, which allows for greater shaping and forming capabilities. Extruded pipes, however, are limited in their size range and are typically used for smaller diameter applications. 4. Surface Finish: Seamless pipes generally boast a smooth and polished surface finish, making them suitable for applications where aesthetics are important, such as architectural structures or decorative elements. Conversely, the manufacturing process of extruded pipes can result in a rougher surface finish, making them more appropriate for industrial or structural applications where appearance is less critical. 5. Cost: In general, seamless pipes are more expensive than extruded pipes due to the complexity of the manufacturing process. The hot rolling method necessitates specialized equipment and a higher level of expertise, increasing production costs. On the other hand, extruded pipes are more cost-effective as they are produced through a simpler cold extrusion process. In conclusion, the differences between seamless and extruded stainless steel pipes encompass their manufacturing process, seamless nature, size range, surface finish, and cost. The choice between the two will depend on the specific requirements of the application at hand.
- Q: Can stainless steel pipes be insulated with mineral wool?
- Yes, stainless steel pipes can be insulated with mineral wool. Mineral wool is a common insulating material that can be used on various types of pipes, including stainless steel. It provides thermal insulation and helps to prevent heat loss or gain, depending on the application.
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Stainless Steel Welded Pipe ASTM A358/A312/A778
- Ref Price:
-
- Loading Port:
- Ningbo
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 8000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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