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: Can stainless steel pipes be used for swimming pool systems?
- Yes, stainless steel pipes can be used for swimming pool systems. Stainless steel is highly resistant to corrosion, making it an ideal choice for pool applications where exposure to chlorine and other chemicals is common. Additionally, stainless steel pipes offer durability, longevity, and excellent performance in high-temperature environments, making them a reliable option for swimming pool systems.
- Q: How are stainless steel pipes different from galvanized pipes?
- Stainless steel pipes and galvanized pipes are two types of piping materials that differ in composition and properties. The main distinction between them lies in their corrosion resistance capabilities. Stainless steel pipes exhibit high resistance to corrosion due to the presence of chromium, which forms a protective layer on the pipe's surface. This makes them ideal for applications in corrosive environments, such as the chemical industry or marine applications. In contrast, galvanized pipes are steel pipes coated with a layer of zinc to prevent rusting. While this zinc coating provides some degree of protection against corrosion, it is not as durable or long-lasting as the protective layer formed on stainless steel pipes. Galvanized pipes are commonly used in plumbing, water distribution systems, and outdoor applications where corrosion resistance is necessary but not critical. Another difference between the two types of pipes is their appearance. Stainless steel pipes have a sleek and shiny appearance, often preferred for aesthetic reasons or in applications where appearance matters. On the other hand, galvanized pipes have a dull gray color due to the zinc coating. In terms of cost, galvanized pipes are generally more affordable than stainless steel pipes. However, the initial cost of stainless steel pipes can be justified by their longevity and superior corrosion resistance, which ultimately result in lower maintenance and replacement costs over time. When choosing between stainless steel pipes and galvanized pipes, it is important to consider the specific requirements of your project or application. Factors such as the environment, expected lifespan, and budgetary constraints should be taken into account to ensure the right choice is made.
- Q: Can stainless steel pipes be used for steam transportation?
- Yes, stainless steel pipes can be used for steam transportation. Stainless steel has excellent corrosion resistance and high temperature strength, making it suitable for carrying steam under high pressure and temperature conditions. The smooth surface of stainless steel pipes also reduces friction and minimizes the risk of clogging or scaling, ensuring efficient and reliable steam transportation. Additionally, stainless steel is a durable material that can withstand extreme conditions, making it a preferred choice for steam transportation in various industries such as power generation, chemical processing, and oil and gas.
- Q: What is the difference between 304J3 and 316J3 stainless steel pipes?
- The main difference between 304J3 and 316J3 stainless steel pipes is their composition and corrosion resistance. 304J3 stainless steel contains a higher percentage of chromium and nickel, making it more resistant to corrosion in various environments. On the other hand, 316J3 stainless steel contains molybdenum in addition to chromium and nickel, providing even greater resistance to corrosion, especially in chloride-rich environments. Therefore, while both are suitable for general applications, 316J3 stainless steel pipes are ideal for more demanding and corrosive conditions.
- Q: Can stainless steel pipes be tempered?
- Stainless steel pipes have the capability to undergo tempering, which is a heat treatment technique commonly employed to enhance the mechanical properties of steel. To achieve this, the stainless steel pipes are heated to a specific temperature and then carefully cooled. This procedure aids in reducing the steel's hardness and brittleness, thus increasing its ductility and resistance to cracking or breaking. Moreover, tempering can also improve the corrosion resistance of stainless steel pipes. However, it is worth noting that the tempering process and temperature requirements can vary depending on the specific grade of stainless steel utilized. Therefore, it is vital to consult the manufacturer's guidelines or seek advice from a metallurgical expert in order to determine the appropriate tempering procedure for stainless steel pipes.
- Q: Can stainless steel pipes be used for marine applications?
- Indeed, stainless steel pipes possess the capability to be utilized in marine applications. Renowned for its ability to resist corrosion, stainless steel emerges as an optimal substance to employ within marine surroundings, perpetually exposed to saltwater and elevated humidity levels. By being resistant to both rust and corrosion, stainless steel pipes guarantee their robustness and enduring nature when employed in marine applications. In the marine industry, they find extensive usage for a multitude of purposes, including piping systems, exhaust systems, and structural components. Furthermore, stainless steel pipes exhibit the capacity to endure extreme temperatures and pressures, rendering them suitable for the arduous conditions frequently encountered in marine applications.
- Q: Can stainless steel pipes be used for nuclear waste storage?
- Indeed, nuclear waste storage can make use of stainless steel pipes. Due to its exceptional resistance to corrosion, stainless steel proves to be an optimal material for the containment and transportation of dangerous substances like nuclear waste. The durability, strength, and capability to endure extreme temperatures of stainless steel render it apt for the prolonged storage of radioactive waste. Furthermore, stainless steel remains non-reactive and prevents the release of harmful substances, thus assuring the preservation of the stored waste's integrity. Nonetheless, it remains crucial to verify that the stainless steel utilized adheres to the specific requirements and standards established for nuclear waste storage to guarantee utmost safety and confinement.
- Q: What is the composition of stainless steel pipes?
- Stainless steel pipes are primarily composed of iron with a minimum of 10.5% chromium content by mass. The addition of chromium creates a protective oxide layer on the surface, known as the passive layer, which helps prevent corrosion and provides stainless steel with its characteristic resistance to rust and staining. Additionally, stainless steel pipes may contain other elements such as nickel, molybdenum, and manganese, which enhance their mechanical properties and corrosion resistance. These alloying elements contribute to the overall strength, durability, and versatility of stainless steel pipes, making them suitable for various applications in industries such as construction, automotive, and manufacturing.
- Q: Are stainless steel pipes suitable for mining industries?
- Yes, stainless steel pipes are widely used and suitable for the mining industry. Stainless steel is known for its excellent corrosion resistance, making it ideal for applications in harsh and corrosive environments such as mines. This resistance to corrosion is particularly important in the mining industry, where pipes are exposed to various chemicals, water, and minerals that can accelerate the corrosion process. Additionally, stainless steel pipes are highly durable and can withstand extreme temperatures, making them suitable for the demanding conditions encountered in mining operations. Furthermore, stainless steel pipes offer high strength and reliability, ensuring the safe and efficient transportation of fluids, gases, and slurries throughout the mining process. Overall, stainless steel pipes are a preferred choice in the mining industry due to their corrosion resistance, durability, and strength, making them a reliable and long-lasting option for mining operations.
- Q: What is the difference between satin and brushed finishes in stainless steel pipes?
- Satin and brushed finishes are two common types of surface treatments used in stainless steel pipes. While both finishes enhance the appearance of the pipes and provide some level of corrosion resistance, there are distinct differences between them. A satin finish is achieved by using a fine abrasive material to create a smooth, even, and glossy surface. This finish is characterized by its reflective and shiny appearance, similar to that of satin fabric. It gives the stainless steel pipe a sleek and polished look, making it suitable for applications where aesthetics are important. Satin finishes are often used in architectural and decorative applications such as handrails, furniture, and kitchen appliances. On the other hand, a brushed finish is achieved by using a wire brush or abrasive pad to create a pattern of fine lines on the surface of the stainless steel pipe. This finish is characterized by its matte appearance with visible parallel lines running across the surface. Brushed finishes are less reflective than satin finishes and offer a more subdued, industrial look. They are commonly used in applications where durability and resistance to visible wear and tear are important, such as in machinery, automotive components, and commercial kitchen equipment. While both satin and brushed finishes provide some level of corrosion resistance, it is important to note that the surface texture of brushed finishes can make them slightly more resistant to visible scratches and scuffs compared to satin finishes. However, it is important to remember that the overall corrosion resistance of stainless steel is primarily determined by its alloy composition, not the surface finish. In summary, the main difference between satin and brushed finishes in stainless steel pipes lies in their appearance and intended use. Satin finishes offer a reflective and polished look suitable for decorative applications, while brushed finishes provide a more matte and industrial appearance for applications that require durability and resistance to visible wear and tear.
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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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