Stainless Steel Welded Pipe ASTM A358/A312/A778
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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: Is food grade stainless steel GB9684 304?
- Food grade stainless steel is in line with the GB9684 standard stainless steel.
- Q: How do stainless steel pipes compare to fiberglass-reinforced pipes?
- Both stainless steel pipes and fiberglass-reinforced pipes are popular options for a range of uses. However, they possess distinct qualities that differentiate them from each other. To begin with, stainless steel pipes are renowned for their exceptional durability and strength. They can endure high pressure, temperature, and corrosion, making them suitable for industrial and heavy-duty applications such as oil and gas, chemical processing, and plumbing systems. Additionally, stainless steel pipes are non-combustible and have a lengthy lifespan, reducing the need for frequent replacements. In contrast, fiberglass-reinforced pipes (FRP) offer unique advantages in specific circumstances. FRP pipes are lightweight and possess excellent chemical resistance, making them ideal for use in corrosive environments like wastewater treatment plants, desalination facilities, and chemical processing plants. Moreover, FRP pipes outperform stainless steel pipes in terms of insulation properties, which can be advantageous in situations requiring thermal insulation. In terms of cost, stainless steel pipes generally carry a higher price tag compared to fiberglass-reinforced pipes. However, it is crucial to consider the project's specific requirements and the expected lifespan of the pipes when assessing overall cost-effectiveness. Ultimately, the choice between stainless steel pipes and fiberglass-reinforced pipes hinges on the particular needs of the application. If durability, strength, and resistance to high pressure and temperature are the primary considerations, stainless steel pipes are the preferred option. Conversely, if factors such as weight, corrosion resistance, and insulation properties take precedence, fiberglass-reinforced pipes may prove to be the superior choice.
- Q: Are stainless steel pipes suitable for industrial water systems?
- Yes, stainless steel pipes are suitable for industrial water systems. Stainless steel is a highly durable and corrosion-resistant material, making it ideal for use in water systems that are exposed to harsh conditions and high levels of moisture. Stainless steel pipes have excellent resistance to both internal and external corrosion, which reduces the risk of leaks and contamination in industrial water systems. They also have a long lifespan and require minimal maintenance, resulting in cost-effectiveness in the long run. Additionally, stainless steel pipes have a high heat resistance, making them suitable for applications that involve hot water or steam. Overall, stainless steel pipes are a reliable and efficient choice for industrial water systems.
- Q: How are stainless steel pipes joined together?
- Stainless steel pipes are typically joined together using a variety of methods depending on the specific application and requirements. The most common methods for joining stainless steel pipes include welding, threaded connections, and flanges. Welding is the most durable and secure method of joining stainless steel pipes. It involves melting the edges of the pipes together and fusing them using heat. There are different types of welding techniques used, such as TIG (Tungsten Inert Gas) welding, MIG (Metal Inert Gas) welding, and stick welding. TIG welding is often preferred for stainless steel due to its precise control and clean finish. Threaded connections are another popular method for joining stainless steel pipes, especially for smaller diameters. This method involves screwing the pipes together using threads on the outer surface of the pipe ends. Threaded connections provide a strong and reliable joint, but they may not be suitable for applications with high pressure or temperature. Flanges are used to join stainless steel pipes when a detachable connection is required. A flange is a flat, circular plate with bolt holes that allows two pipes to be bolted together. Flanges are commonly used in industries where frequent assembly and disassembly are necessary or where maintenance and repair are required. It is important to note that the choice of joining method depends on factors such as the pipe diameter, pressure rating, temperature, and specific application requirements. Additionally, proper preparation and alignment of the pipes, along with the use of suitable filler materials and techniques, are crucial for achieving strong and leak-free joints in stainless steel pipe systems.
- Q: What are the different types of stainless steel pipe coatings?
- There are several types of stainless steel pipe coatings that are used to enhance the durability, corrosion resistance, and aesthetic appearance of the pipes. Some of the common types of stainless steel pipe coatings include: 1. Fusion Bonded Epoxy (FBE) Coating: FBE coating is a thermosetting resin-based coating that is applied to the pipes using an electrostatic spray. It provides excellent corrosion resistance and adhesion, making it suitable for both buried and above-ground applications. 2. Polyethylene (PE) Coating: PE coating is a thermoplastic coating that is applied to the pipes using extrusion. It provides high impact resistance and excellent resistance to chemical substances, making it suitable for pipes used in harsh environments. 3. Polypropylene (PP) Coating: PP coating is a thermoplastic coating similar to PE coating but with higher temperature resistance. It is often used for pipes that transport high-temperature fluids. 4. Polyurethane (PU) Coating: PU coating is a thermosetting resin-based coating that is applied to the pipes using a spray or dip method. It provides excellent resistance to abrasion, impact, and chemicals, making it suitable for pipes used in demanding applications. 5. Zinc Coating: Zinc coating, also known as galvanization, is a metallic coating that is applied to the pipes using a hot-dip process. It provides excellent corrosion resistance and is commonly used for pipes used in outdoor and underground applications. 6. Ceramic Coating: Ceramic coating is a high-temperature resistant coating that is applied to the pipes using a thermal spray process. It provides excellent resistance to abrasion, oxidation, and corrosion, making it suitable for pipes used in high-temperature environments. 7. PTFE (Polytetrafluoroethylene) Coating: PTFE coating is a non-stick coating that is applied to the pipes using a spray or dip method. It provides excellent resistance to chemicals and high temperatures, making it suitable for pipes used in the chemical and food industries. These are just a few examples of the different types of stainless steel pipe coatings available. The choice of coating depends on the specific requirements of the application, such as the type of fluid being transported, the operating temperature and pressure, and the environmental conditions.
- Q: What is the cost difference between stainless steel pipes and other materials?
- The cost difference between stainless steel pipes and other materials can vary depending on factors such as the type of material, size, and quality. Generally, stainless steel pipes tend to be more expensive than materials like PVC or galvanized steel. However, stainless steel pipes offer superior durability, corrosion resistance, and longevity, making them a worthwhile investment in many applications.
- Q: How do stainless steel pipes perform in corrosive environments?
- Stainless steel pipes perform exceptionally well in corrosive environments due to their high resistance to corrosion. The presence of chromium in stainless steel forms a protective layer, known as chromium oxide, which acts as a barrier against corrosion. This makes stainless steel pipes highly durable and reliable, even in harsh and corrosive conditions.
- Q: Are stainless steel pipes suitable for power generation facilities?
- Stainless steel pipes are a perfect fit for power generation facilities due to their durability and resistance to corrosion. This material is highly reliable and can withstand extreme temperatures, pressure, and corrosive environments commonly found in power plants, including thermal, nuclear, and renewable energy generation plants. Moreover, stainless steel possesses exceptional heat resistance, making it an excellent choice for transporting hot gases or fluids in power generation systems. By resisting corrosion and maintaining their structural integrity over time, stainless steel pipes guarantee the dependability and longevity of power generation facilities.
- Q: Can stainless steel pipes be sandblasted?
- Yes, stainless steel pipes can be sandblasted. Sandblasting is a common method used to clean or prepare the surface of stainless steel pipes by propelling fine particles at high speeds to remove contaminants or create a rough texture for better adhesion of coatings.
- Q: How do stainless steel pipes compare to concrete pipes?
- Stainless steel pipes and concrete pipes each have their own advantages and disadvantages, and their suitability for specific applications may vary. Stainless steel pipes are known for their durability, corrosion resistance, and high strength-to-weight ratio. They can withstand extreme temperatures, making them ideal for applications that involve high-pressure fluids or gases, such as in the oil and gas industry. Stainless steel pipes are also commonly used in food processing, chemical plants, and wastewater treatment facilities due to their hygienic properties and resistance to chemicals. Additionally, stainless steel pipes have a smooth interior surface, which reduces friction and allows for efficient fluid flow. On the other hand, concrete pipes are known for their strength, longevity, and resistance to external loads. They are commonly used in sewer systems, stormwater drainage, and culverts due to their ability to withstand heavy traffic loads and high groundwater pressures. Concrete pipes are also fire-resistant and provide excellent insulation, making them suitable for applications where fire protection is crucial. In terms of cost, stainless steel pipes are generally more expensive than concrete pipes. However, stainless steel pipes require minimal maintenance and have a longer lifespan, which can offset the initial cost. Concrete pipes, although cheaper, may require more frequent repairs and have a shorter lifespan. Ultimately, the choice between stainless steel pipes and concrete pipes depends on the specific requirements of the project, including factors such as the intended application, environmental conditions, budget, and lifespan expectations. Consulting with a professional engineer or specialist in pipe materials can help ensure the selection of the most appropriate pipe material for a particular project.
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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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