• Boiler Heat Exchange Stainless Steel Pipe 31803 ASTM A213 System 1
  • Boiler Heat Exchange Stainless Steel Pipe 31803 ASTM A213 System 2
  • Boiler Heat Exchange Stainless Steel Pipe 31803 ASTM A213 System 3
Boiler Heat Exchange Stainless Steel Pipe 31803 ASTM A213

Boiler Heat Exchange Stainless Steel Pipe 31803 ASTM A213

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Loading Port:
Ningbo
Payment Terms:
TT OR LC
Min Order Qty:
1 m.t.
Supply Capability:
5000 m.t./month

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1、Structure of Boiler Heat Exchange Stainless Steel Pipe 31803 ASTM A213 Description:

   Boiler Heat Exchange stainless steel pipe is often used in the heating system. Heating system, or those stored energy (such as solar energy) in the form of heat, need to be built with the material that can withstand temperatures up to 550 degrees Celsius. High chromium molybdenum welded steel pipe can work in the extreme, which maintain as the ideal material for the construction of power station.



2、Main Features of Boiler Heat Exchange Stainless Steel Pipe 31803 ASTM A213:


• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

•Reasonable price



3、Boiler Heat Exchange Stainless Steel Pipe 31803 ASTM A213 Images:

 







4、Boiler Heat Exchange Stainless Steel Pipe 31803 ASTM A213 Specification: 


1)Commodity: heat exchanger pipe
2))Material: 304,316L,304L,316,321,310S,etc
3)Thickness:0.5-100mm
4)Length: 1-14m


Material Grade304,304L,316 ,316L,321,310S,2205,904and so on.
StandardASTM A312, A554, A249, A269 and A270,ect
DIN 17456-85 , DIN 17458-85, DIN 17459-92,ect
JIS G3446-1994, JIS G3448-1997, JIS G3459-1997, JIS G3463-1994,ect
GB13296-1991, GB14975-2002, GB14976-2002,ect
Outer Diameter13.7-2020mm
Thickness0.5-50mm
Length1m -12m or as customers' request
Polish180G, 320G, 400G Satin / Hairline
400G, 500G, 600G or 800G Mirror finish
Testeddy current inspection, ultrasonic inspection, X-ray inspection, real-time imaging, hydrostatic test, spectral analysis, intergranular corrosion, water pressure test, and mechanical property testing facilities.
Payment1) by L/C at sight,
2) 30% deposit, 70% balance before Shipping.
Delivery timeA.7 days if this goods is stock goods.
B.25 days if this goods will be produced after order
ValidityValid time is 3 days for price usually.
Payment termsFOB QINGDAO
MOQ1 ton
Capacity1000 ton per month
CertificateISO, SGS, and third part inspection
Applicationsthe products are widely used in chemical industry, condenser pipe, heat exchanger, petroleum, shipping military, environment protection, high temperature resistant, low temperature resistant, corrosion resistant and so on.
packing details1) Wooden-box Package. 2) The Wooden Frame Packing. 3) Intertexture Cloth Packaging with the Iron Sheet Bonding and the Two Terminals Covered With Plastic Dome.



5、FAQ of Boiler Heat Exchange Stainless Steel Pipe 31803 ASTM A213:


How 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.


How 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.

Why 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 etched?
Stainless steel pipes have the capability to undergo etching, a procedure which involves eliminating a thin layer of metal from the pipe's surface to achieve a desired design or pattern. This is typically accomplished by utilizing an acid or chemical solution that selectively dissolves the exposed metal. However, it is worth mentioning that not all grades of stainless steel are equally suitable for etching. Austenitic stainless steels, specifically 304 and 316, are frequently chosen for etching purposes due to their corrosion resistance and ease of etching. The etching process can also be influenced by various factors, including the composition and thickness of the stainless steel, as well as the chosen method and conditions for etching.
Q:What is the difference between seamless and cold-drawn stainless steel pipes?
Seamless and cold-drawn stainless steel pipes differ in terms of their manufacturing methods and characteristics. Seamless stainless steel pipes are produced without any welding or seams. The process involves piercing a solid cylindrical billet or ingot of stainless steel and rolling it into a hollow tube shape. This seamless manufacturing technique guarantees the absence of weak points or areas prone to leakage, resulting in highly durable and reliable pipes. Additionally, the interior surface of seamless pipes is smoother, facilitating efficient fluid flow and reducing the risk of corrosion. In contrast, cold-drawn stainless steel pipes are manufactured by pulling or drawing a solid stainless steel billet through a series of dies at room temperature. This method ensures precise dimensions and a smooth surface finish. Cold-drawn pipes are commonly used in applications that require tight tolerances and a high-quality surface appearance. They are renowned for their exceptional dimensional accuracy, excellent surface finish, and increased strength. In terms of properties, seamless stainless steel pipes exhibit superior resistance to corrosion, higher strength, and increased pressure rating compared to cold-drawn pipes. The absence of welds also makes seamless pipes less susceptible to cracking or failure under high-pressure conditions. On the other hand, cold-drawn stainless steel pipes are valued for their outstanding surface finish, close dimensional tolerances, and enhanced mechanical properties. Consequently, they are suitable for applications that demand precise measurements and a smooth aesthetic. In summary, the primary distinction between seamless and cold-drawn stainless steel pipes lies in their manufacturing methods, resulting properties, and applications. Seamless pipes, manufactured without welding or seams, offer superior resistance to corrosion, increased strength, and higher pressure rating. Conversely, cold-drawn pipes, produced by pulling solid stainless steel through dies, provide excellent surface finish, dimensional accuracy, and improved mechanical properties.
Q:How do you calculate the required support spacing for stainless steel pipes?
Several factors must be taken into account when calculating the necessary support spacing for stainless steel pipes. These factors encompass the pipe diameter, the weight of the material, the system's temperature, the fluid flowing through the pipe, and the desired safety factor. The initial step involves determining the pipe diameter. This can be achieved by direct measurement or by calculating it using the pipe's schedule and nominal size. Once the diameter is known, the weight of the stainless steel pipe per unit length can be determined using the density of stainless steel. Afterwards, the temperature of the system in which the pipe will operate must be considered. Stainless steel pipes can expand and contract with temperature changes, and this thermal expansion must be taken into account when determining support spacing. The thermal expansion coefficient of stainless steel can be utilized to calculate the expected expansion across the temperature range. The fluid flowing through the pipe should also be taken into consideration. If the fluid is corrosive or possesses high velocity or pressure, additional supports may be necessary to prevent excessive vibration or stress on the pipe. Finally, the desired safety factor must be incorporated. This factor represents the additional support spacing required to ensure the integrity and stability of the pipe system. Common safety factors typically range from 1.5 to 3, depending on the specific application and industry standards. Once all these factors are known, various industry standards and guidelines can be employed to calculate the required support spacing for stainless steel pipes. These standards provide formulas and tables that consider the aforementioned factors, enabling engineers and designers to determine the appropriate distance between pipe supports. It is important to note that qualified professionals with knowledge of industry standards and local regulations should perform these calculations to ensure the safe and efficient operation of the stainless steel pipe system.
Q:Are stainless steel pipes suitable for pulp and paper industries?
Yes, stainless steel pipes are highly suitable for pulp and paper industries. This is primarily because stainless steel offers excellent corrosion resistance, which is crucial in environments where pulp and paper production takes place. The chemicals and liquids used in the pulp and paper industry can be highly corrosive, and stainless steel is resistant to corrosion caused by these substances. Additionally, stainless steel pipes are known for their durability and strength, making them capable of withstanding the rigorous demands of the industry. They can handle high temperatures and pressures, ensuring reliable and efficient performance in the production process. Furthermore, stainless steel pipes are hygienic and easy to clean, which is essential in maintaining the quality and integrity of the products in the pulp and paper industry. Overall, the exceptional properties of stainless steel pipes make them an ideal choice for use in the pulp and paper industry.
Q:Can stainless steel pipes be chrome plated?
Yes, stainless steel pipes can be chrome plated.
Q:Can stainless steel pipes handle high temperatures?
Yes, stainless steel pipes are capable of handling high temperatures. Stainless steel is known for its excellent heat resistance, making it suitable for various applications that involve elevated temperatures. The specific grade of stainless steel used will determine the maximum temperature the pipes can withstand. For instance, austenitic stainless steel grades such as 304 and 316 can typically handle temperatures up to around 1600°F (870°C), while higher alloyed grades like 310 and 321 can withstand even higher temperatures. This heat resistance is due to the presence of chromium and other alloying elements in stainless steel, which form a protective oxide layer that prevents corrosion and oxidation at high temperatures. Therefore, stainless steel pipes are commonly used in industries such as petrochemical, power generation, and heat exchangers, where high temperatures are prevalent.
Q:Can stainless steel pipes be used in the petrochemical industry?
Indeed, the petrochemical industry can utilize stainless steel pipes. Due to its exceptional resistance to corrosion and ability to endure elevated temperatures, stainless steel emerges as a perfect option for the transportation and storage of diverse petrochemical goods. Moreover, its durability and strength render it apt for managing the frequently encountered high-pressure circumstances within the petrochemical industry. Furthermore, stainless steel pipes facilitate effortless cleaning and maintenance, guaranteeing the purity and soundness of the petrochemical products during transportation. As a result, stainless steel pipes find widespread application in petrochemical plants, refineries, and other related facilities.
Q:What is the difference between 321 and 347 stainless steel pipes?
The main difference between 321 and 347 stainless steel pipes lies in the composition of their alloys. Both stainless steel grades are stabilized with titanium, which prevents the formation of harmful chromium carbides at high temperatures. However, 347 stainless steel contains additional columbium (niobium) which provides enhanced intergranular corrosion resistance. This makes 347 stainless steel pipes suitable for applications where exposure to high temperatures and corrosive environments is expected, such as in the petrochemical industry or in exhaust systems. On the other hand, 321 stainless steel pipes offer excellent resistance to oxidation and scaling at elevated temperatures, making them ideal for applications involving continuous high heat exposure, such as in aircraft exhaust systems or furnace parts. Overall, the choice between 321 and 347 stainless steel pipes depends on the specific requirements of the application, with 347 offering superior intergranular corrosion resistance and 321 providing better oxidation resistance.
Q:Are stainless steel pipes suitable for solar power systems?
Yes, stainless steel pipes are suitable for solar power systems. Stainless steel is highly resistant to corrosion, making it an excellent choice for solar power systems that are exposed to outdoor elements. Additionally, stainless steel pipes have high thermal conductivity, which helps in efficiently transferring heat in solar water heating systems.
Q:Are stainless steel pipes suitable for brewing systems?
Yes, stainless steel pipes are highly suitable for brewing systems. Stainless steel is corrosion-resistant, non-reactive, and easy to clean, making it an ideal material for handling various brewing processes, including transporting water, wort, and beer. It helps maintain the purity and quality of the brew, ensuring there are no off-flavors or contaminants introduced during the process. Additionally, stainless steel pipes are durable and can withstand high temperatures and pressure, making them a reliable choice for brewing systems.

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