• Various types of stainless steel pipe waiting for you System 1
  • Various types of stainless steel pipe waiting for you System 2
Various types of stainless steel pipe waiting for you

Various types of stainless steel pipe waiting for you

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Tianjin
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30 m.t.
Supply Capability:
8000 m.t./month

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Product Description:


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:


Stainless Steel Welded Pipe ASTM A358/A312/A778



Stainless Steel Welded Pipe ASTM A358/A312/A778



Stainless Steel Welded Pipe ASTM A358/A312/A778






4、Stainless Steel Welded Pipe ASTM A358/A312/A778 Specification:



Size: 

Outside diameter        Outside                                                                   Thickness
SCH 5SSCH 10SSCH 20SSCH 40S
(A)(B)mmmmmmmmmm
35014′355.63.964.787.9211.13
40016′406.44.194.787.9212.7
45018′457.24.194.787.9214.27
50020′508.04.785.549.5315.09
55022′558.84.785.549.5315.09
60024′609.65.546.359.5317.48
65026′660.45.547.9212.717.48
70028′711.25.547.9212.717.48
75030′762.06.357.9212.717.48
80032′812.8
7.9012.717.48
85034863.6
7.9212.717.48
90036′914.4
7.9212.719.05
100040′1016.0
9.53

 

Tolerances on dimensions table: 

StandardOutside(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 10217-7D1±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: 


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:What is the difference between 304J1 and 316J1 stainless steel pipes?
The main difference between 304J1 and 316J1 stainless steel pipes lies in their chemical composition and the presence of certain elements. 304J1 stainless steel is a variant of the popular 304 stainless steel grade. It has a lower carbon content compared to regular 304, which makes it more resistant to intergranular corrosion. This is achieved by adding a small amount of titanium to the composition. 304J1 stainless steel pipes are suitable for general-purpose applications, such as plumbing, food processing, and architectural uses. On the other hand, 316J1 stainless steel is a variant of the 316 stainless steel grade. It is similar to regular 316 stainless steel in terms of corrosion resistance but has a lower carbon content, similar to 304J1. Additionally, 316J1 contains a small amount of molybdenum, which enhances its resistance to pitting and crevice corrosion in chloride environments. As a result, 316J1 stainless steel pipes are commonly used in marine environments, chemical processing plants, and other applications where exposure to corrosive substances is expected. In summary, the primary difference between 304J1 and 316J1 stainless steel pipes is in their chemical composition, with the latter offering superior resistance to corrosion in more aggressive environments. The choice between the two would depend on the specific application and the level of corrosion resistance required.
Q:What kind of stainless steel square tube is used in ordinary square tubes?
In the industry of stainless steel tube is mainly used to do some pipelines, of course in the construction industry and its use is more widely used, such as shutters, staircase handrails, railings, road partition and so on, at present, many products are used in stainless steel pipe, such as bicycles, medical equipment, automobile and so on.
Q:What are the common sizes of stainless steel pipes used in construction?
The common sizes of stainless steel pipes used in construction vary depending on the specific application and requirements. However, there are a few standard sizes that are commonly used in various construction projects. These include 1/2 inch, 3/4 inch, 1 inch, 1.5 inches, 2 inches, 3 inches, 4 inches, 6 inches, and 8 inches. These sizes are commonly used for different purposes. Smaller sizes like 1/2 inch, 3/4 inch, and 1 inch are often used for plumbing and water supply systems in residential and commercial buildings. They are also used for gas lines and ventilation systems. Larger sizes like 1.5 inches, 2 inches, 3 inches, and 4 inches are typically used for industrial applications such as oil and gas pipelines, chemical processing plants, and power generation facilities. These pipes are designed to handle higher flow rates and pressure requirements. Even larger sizes like 6 inches and 8 inches are used in more specialized applications such as large-scale industrial projects and infrastructure development. These sizes are often used for water treatment plants, wastewater treatment facilities, and large-scale irrigation systems. It is important to note that these are just some of the common sizes, and there are many other sizes available depending on the specific needs of a construction project. Consulting with a professional engineer or contractor is always recommended to determine the appropriate size of stainless steel pipes for a specific construction project.
Q:How can the stainless steel tube eliminate stress?
Or artificial stress, method: stresses both ends of the steel pipe fixed by the mold, through high-frequency shocks, so that the internal stress relief of the steel pipe
Q:Can stainless steel pipes be used for chemical pumps?
Yes, stainless steel pipes can be used for chemical pumps. Stainless steel is known for its excellent corrosion resistance, making it suitable for handling various chemicals. It can withstand high temperatures and pressures, ensuring reliable performance in chemically aggressive environments. Stainless steel pipes are commonly used in chemical processing industries, wastewater treatment plants, and other applications involving the transfer of corrosive liquids or gases.
Q:Can stainless steel pipes be used for hygienic applications?
Indeed, hygienic applications can utilize stainless steel pipes. In industries such as food and beverage, pharmaceuticals, and biotechnology, where cleanliness is paramount, stainless steel is a highly durable and corrosion-resistant material commonly employed. The smooth surface of stainless steel pipes hinders the growth of bacteria and other microorganisms, making them an appropriate choice for applications that require cleanliness. Furthermore, their smooth surface facilitates easy and thorough cleaning, thereby minimizing the risk of contamination. Furthermore, stainless steel pipes do not react with substances and do not release any harmful materials into the products being transported. This characteristic makes them particularly suitable for applications that demand sanitary conditions, such as in the production and transportation of food, beverages, and pharmaceuticals. Additionally, stainless steel pipes exhibit exceptional resistance to high temperatures, chemicals, and corrosion, thereby guaranteeing the integrity of the system and preventing any contamination or leaks. They are also highly durable and can withstand harsh operating conditions, making them a dependable option for hygienic applications. To summarize, stainless steel pipes possess the necessary attributes, including durability, corrosion resistance, smooth surface, ease of cleaning, and non-reactivity, to cater to hygienic applications. They offer a reliable and sanitary solution for industries that prioritize hygiene.
Q:Can stainless steel pipes be coated with PTFE?
PTFE, also known as polytetrafluoroethylene, can be applied as a coating on stainless steel pipes. This material is highly stable and unreactive, boasting exceptional resistance to chemicals, low friction, and high temperatures. Coating stainless steel pipes with PTFE yields numerous advantages, including reducing friction, preventing corrosion, and enhancing chemical resistance. The PTFE coating creates a smooth surface that is non-stick, facilitating better liquid flow and deterring deposits on the pipe walls. Industries such as chemical processing, food and beverage, pharmaceuticals, and oil and gas benefit greatly from this application, as their pipes are often exposed to aggressive chemicals or high temperatures. Additionally, the PTFE coating offers electrical insulation properties, making it suitable for specific purposes. Ultimately, applying PTFE coating to stainless steel pipes elevates their performance and prolongs their lifespan in various industrial settings.
Q:How do stainless steel pipes compare to HDPE pipes?
There are several factors to take into account when comparing stainless steel pipes to HDPE pipes. Firstly, durability and strength play a significant role. Stainless steel pipes have a clear advantage in this aspect. They are renowned for their high tensile strength and resistance to corrosion, making them suitable for a wide range of applications. On the other hand, HDPE pipes, while also durable, may not possess the same level of strength and may require additional support in certain situations. Temperature resistance is another important consideration. Stainless steel pipes once again hold the upper hand in this regard. They can withstand high temperatures without compromising their structural integrity, making them ideal for applications involving hot fluids or gases. HDPE pipes, however, may soften or deform at elevated temperatures, limiting their use in high-temperature environments. Ease of installation is yet another aspect to ponder. HDPE pipes are typically lighter and more flexible than stainless steel pipes, making them easier to transport and install. They also require fewer fittings and joints, reducing the likelihood of leaks. Conversely, stainless steel pipes can be more rigid and may necessitate additional welding or threading during installation. Cost is a factor that cannot be overlooked. Generally, HDPE pipes are more cost-effective than stainless steel pipes, particularly for larger diameter pipes. This affordability, combined with the ease of installation, contributes to the popularity of HDPE pipes in numerous applications. However, it is worth noting that stainless steel pipes have a longer lifespan and require less maintenance, potentially offsetting the initial cost difference over time. Ultimately, the choice between stainless steel pipes and HDPE pipes depends on the specific requirements of the application. While stainless steel pipes offer superior strength, temperature resistance, and longevity, HDPE pipes are lighter, more flexible, and more cost-effective. Assessing the needs of the project and considering these factors will help determine the most suitable option.
Q:What is the difference between 321 and 347 stainless steel pipes?
The composition of their alloys is the main distinction between 321 and 347 stainless steel pipes. Both grades of stainless steel are titanium-stabilized to prevent the formation of harmful chromium carbides when exposed to high temperatures. However, 347 stainless steel contains additional columbium (niobium), which enhances its resistance to intergranular corrosion. This makes 347 stainless steel pipes suitable for applications that involve exposure to high temperatures and corrosive environments, such as in the petrochemical industry or exhaust systems. On the contrary, 321 stainless steel pipes exhibit excellent resistance to oxidation and scaling at elevated temperatures, making them ideal for applications that require continuous exposure to high heat, like in aircraft exhaust systems or furnace parts. Ultimately, 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:How do stainless steel pipes compare to aluminum pipes?
Stainless steel pipes and aluminum pipes possess distinct properties and advantages, rendering them appropriate for varying applications. A major disparity between stainless steel pipes and aluminum pipes lies in their resistance to corrosion. Stainless steel pipes boast exceptional resistance to corrosion, rendering them ideal for applications where the pipes come into contact with corrosive substances like chemicals or saltwater. In contrast, aluminum pipes exhibit less resistance to corrosion compared to stainless steel and are more susceptible to oxidation. Nevertheless, various coatings or treatments can enhance the corrosion resistance of aluminum pipes. Another crucial factor to consider is the strength and durability of the pipes. Stainless steel pipes generally surpass aluminum pipes in terms of strength and durability. They can endure higher pressure and temperature, making them suitable for high-stress applications such as industrial piping systems or fluid and gas transportation. Aluminum pipes, although less robust than stainless steel, are lightweight and offer favorable strength-to-weight ratios, making them fitting for weight-sensitive applications like aerospace or automotive industries. Cost represents another aspect of comparison. Stainless steel pipes typically incur higher costs than aluminum pipes due to the elevated expenses associated with raw materials and manufacturing processes. However, stainless steel pipes possess a longer lifespan and necessitate less maintenance, which can offset the initial higher cost in the long run. Aluminum pipes generally present a more affordable option, but they might require more frequent maintenance and replacement due to their lower resistance to corrosion and wear. Regarding appearance, stainless steel pipes exhibit a sleek and polished look, while aluminum pipes can undergo anodization or painting to achieve various finishes. The choice between the two would depend on the aesthetic preferences specific to the application. In conclusion, stainless steel pipes deliver superior corrosion resistance, strength, and durability, making them suitable for demanding applications. Conversely, aluminum pipes are lightweight and cost-effective, making them a favored choice in industries where weight is a concern. Ultimately, the selection between stainless steel pipes and aluminum pipes relies on the specific requirements of the application, taking into account factors such as corrosion resistance, strength, cost, and aesthetics.

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