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 in power plants?
- Indeed, power plants can utilize stainless steel pipes. Thanks to its remarkable resistance to corrosion, stainless steel proves to be an ideal material for a wide range of power plant applications, especially when dealing with high temperatures, pressures, and corrosive surroundings. In power plants, stainless steel pipes serve the purpose of fluid transportation, including water, steam, and chemicals. Additionally, they find their place in several components like heat exchangers, boilers, condensers, and turbines. The dependability, robustness, and corrosion resistance of stainless steel make it an undeniable and trustworthy option for power plant endeavors.
- Q: Are stainless steel pipes suitable for chemical processing?
- Indeed, stainless steel pipes are well-suited for chemical processing purposes. Renowned for their exceptional resistance to corrosion, stainless steel pipes prove to be an optimal choice when it comes to managing a wide range of chemicals in various processing industries. These pipes exhibit resistance not only towards organic and inorganic chemicals, but also acids, alkalis, and solvents. Consequently, they can endure high temperatures and pressures, thus demonstrating their aptitude for handling aggressive chemicals and upholding process integrity. Moreover, stainless steel boasts hygienic attributes, as it is impermeable and effortless to clean, thereby ensuring the purity of the chemicals undergoing processing. Furthermore, stainless steel pipes possess an extended lifespan and necessitate minimal maintenance, thus presenting a cost-effective solution for chemical processing applications.
- Q: What are the common types of fittings used with stainless steel pipes?
- There are several common types of fittings used with stainless steel pipes. Some of the most commonly used fittings include: 1. Stainless Steel Threaded Fittings: These fittings have threaded ends that allow them to be easily connected to pipes or other fittings. They are typically used in low-pressure applications and can be easily installed or removed using a wrench. 2. Stainless Steel Butt-Weld Fittings: Butt-weld fittings are used to connect stainless steel pipes with a seamless method. These fittings are welded directly to the pipe, providing a strong and leak-free connection. Butt-weld fittings are commonly used in high-pressure or high-temperature applications. 3. Stainless Steel Flanges: Flanges are used to connect pipes or fittings together by bolting them together. They provide a secure and rigid connection that can be easily disassembled when needed. Flanges are available in various types such as slip-on, weld neck, socket weld, and blind flanges. 4. Stainless Steel Compression Fittings: Compression fittings are used to create a tight seal between pipes by compressing a ferrule against the pipe. They are commonly used in plumbing systems and provide a reliable and leak-free connection. 5. Stainless Steel Camlock Fittings: Camlock fittings are quick-connect fittings that are commonly used in industrial applications. They have a male and female end that can be easily connected by simply pushing them together and then locking them in place. Camlock fittings are known for their ease of use and versatility. Overall, these are some of the common types of fittings used with stainless steel pipes. The choice of fitting depends on the specific application, pressure, temperature, and other factors. It is important to select the right fitting to ensure a secure and reliable connection.
- Q: Can stainless steel pipes be used for brewery and beverage industry applications?
- Yes, stainless steel pipes can be used for brewery and beverage industry applications. Stainless steel is highly resistant to corrosion, making it suitable for handling liquids and beverages. It is also easy to clean and maintain, ensuring the hygienic requirements of the industry are met. Stainless steel pipes are commonly used in these industries due to their durability, longevity, and compatibility with various fluids.
- Q: Stainless steel why rust?
- In polluted air (such as atmosphere containing large amounts of sulfides, oxides of carbon and nitrogen oxides), condensate is formed when sulfuric acid, nitric acid, and acetic acid are subjected to condensation, resulting in chemical corrosion.
- Q: What is the difference between ferritic and austenitic stainless steel pipes?
- Ferritic and austenitic stainless steel pipes differ primarily in their microstructure and composition, resulting in distinct properties and applications. Ferritic stainless steel pipes are characterized by a ferrite microstructure, which is a body-centered cubic crystal structure. They contain high levels of chromium (typically around 10-30%) and low levels of carbon. Due to their low carbon content, ferritic stainless steel pipes have excellent corrosion resistance but are prone to sensitization and intergranular corrosion at high temperatures. They also possess good durability, heat resistance, and magnetic properties, making them suitable for applications such as automotive exhaust systems, architectural structures, and heat exchangers. On the other hand, austenitic stainless steel pipes have an austenite microstructure, which is a face-centered cubic crystal structure. They contain high levels of chromium (typically around 16-26%) and nickel (usually 6-22%), along with low carbon content. Austenitic stainless steel pipes exhibit superior corrosion resistance, even in highly aggressive environments. Their non-magnetic nature, excellent ductility, and high toughness make them ideal for various industries, including chemical processing, food and beverage, pharmaceuticals, and medical equipment manufacturing. Austenitic stainless steel pipes are also less prone to sensitization and intergranular corrosion compared to ferritic stainless steel pipes. In summary, ferritic stainless steel pipes have a ferrite microstructure, good corrosion resistance, and magnetic properties, while austenitic stainless steel pipes have an austenite microstructure, superior corrosion resistance, non-magnetic properties, and enhanced mechanical properties. The choice between ferritic and austenitic stainless steel pipes depends on the specific application, desired properties, and environmental conditions.
- Q: What is the maximum temperature stainless steel pipes can handle?
- The specific grade of stainless steel being utilized determines the maximum temperature that can be endured by stainless steel pipes. Generally, stainless steel possesses a reputation for its exceptional resistance to high temperatures and can maintain its structural integrity within a temperature range of -150°C (-238°F) to 1100°C (2012°F). Yet, the precise maximum temperature differs depending on variables including the grade of stainless steel, the intended use, and the length of time exposed to elevated temperatures. To ascertain the maximum temperature limit for a specific stainless steel pipe, it is crucial to refer to the manufacturer's specifications and guidelines.
- Q: Are stainless steel pipes suitable for power plants?
- Yes, stainless steel pipes are suitable for power plants. Stainless steel is a corrosion-resistant material that can withstand high temperatures and pressures, making it an ideal choice for power plant applications. Power plants often handle fluids and gases at elevated temperatures and pressures, and stainless steel pipes offer excellent resistance to corrosion, erosion, and oxidation in such conditions. Additionally, stainless steel pipes have a long lifespan, require minimal maintenance, and offer good mechanical properties, making them reliable for power plant operations.
- Q: Can stainless steel pipes be sandblasted?
- Yes, stainless steel pipes can be sandblasted. Sandblasting is a common method used to clean, smooth, or texture the surface of various materials, including stainless steel. It involves propelling fine particles or abrasive materials at high speeds to remove contaminants or create a desired finish. Sandblasting can effectively remove rust, scale, paint, or other coatings from stainless steel pipes, preparing them for further treatment, such as painting or coating. It is important to consider the type and size of abrasive material used during sandblasting to avoid damaging the stainless steel surface. Additionally, proper safety measures should be followed to protect workers from the hazards associated with sandblasting.
- Q: What are the different grades of stainless steel used in pipes?
- Pipes commonly utilize various grades of stainless steel, each possessing distinct properties and characteristics. Notable grades include: 1. Stainless Steel Grade 304: Recognized as highly versatile and widely employed, Grade 304 exhibits non-magnetic qualities, exceptional resistance to corrosion, and ease of weldability. Its applications predominantly revolve around sectors emphasizing hygiene and cleanliness, such as food processing plants, hospitals, and the pharmaceutical industry. 2. Stainless Steel Grade 316: Renowned for its unparalleled resistance to corrosion, particularly in environments abundant in chloride or saltwater exposure, Grade 316 frequently finds utilization in marine settings, chemical processing facilities, and coastal areas necessitating robust corrosion resistance. 3. Stainless Steel Grade 321: Grade 321 boasts titanium stabilization, rendering it more impervious to sensitization and intergranular corrosion at elevated temperatures. It commonly serves in high-temperature scenarios, exemplified by exhaust systems, furnaces, and heat exchangers. 4. Stainless Steel Grade 409: Designed specifically for high-temperature applications like automotive exhaust systems, Grade 409 showcases remarkable heat resistance and exhibits low thermal expansion properties, making it an ideal choice for enduring extreme temperatures. 5. Stainless Steel Grade 904L: Grade 904L excels in corrosion resistance, particularly combating pitting and crevice corrosion. Frequently employed in aggressive environments prevalent in chemical processing plants, offshore oil and gas platforms, and pulp and paper industries. These examples merely exemplify the array of stainless steel grades employed in pipe manufacturing. The selection of a particular grade hinges upon the specific application and desired attributes, encompassing corrosion resistance, temperature resistance, and mechanical strength.
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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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