• Large Diameter Stainless Steel Pipe for wholesales System 1
  • Large Diameter Stainless Steel Pipe for wholesales System 2
Large Diameter Stainless Steel Pipe for wholesales

Large Diameter Stainless Steel Pipe for wholesales

Ref Price:
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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
35 m.t.
Supply Capability:
5000 m.t./month

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Specification

Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Thickness:
5mm-900mm
Length:
5m-12m
Net Weight:
0.016MT

Structure : 

Seamless pipe is formed by drawing a solid billet over a piercing rod to create the hollow shell. As the manufacturing process does not include any welding, seamless pipes are perceived to be stronger and more reliable. Historically seamless pipe was regarded as withstanding pressure better than other types, and was often more easily available than welded pipe.

 

Main Features :

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price

 

Specification:

1) Material:20#(ASTM A 106/A53 GRB.API5LGRB,GB),45#,16Mn,10#.

2) Specification range:OD:21.3-610mm,WT:6-70mm,length:6-12m or according to the requirement of clients.

3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above standards,we can also supply seamless steel pipe with standard of DIN,JIS,and so on,and also develop new products according to the requirements of our clients!
4) Surface:black lacquered,varnish coating or galvanized.
5) Ends:Beveled or square cut,plastic capped,painted.
6) Packing:bundles wrapped with strong steel strip,seaworthy packing.

 FAQ :

A. 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.

B. 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.

C.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 !

Product image:

 

Large Diameter Stainless Steel Pipe for wholesales

Large Diameter Stainless Steel Pipe for wholesales

Company Information:

CNBM International Corporation (CNBM International) is the most important trading platform of CNBM Group Corporation, a state-owned company under the direct supervision of State-owned Assets Supervision and Administration Commission of the State Council.

Since 2004, the trading volume of CNBM International has been doubled in 5 successive years owing to the support of superior corporations and effort of all staff. Meanwhile, we have established strategic partnerships with hundreds of domestic manufacturers and sound business relations with clients from over 120 countries. Currently, we have wholly-owned overseas subsidiaries and branches in 5 countries with a view to realize localization, which also represents an essential progress in our globalization target.

 

 

Q: Can stainless steel pipes be insulated with Teflon?
Indeed, Teflon can be utilized to insulate stainless steel pipes. Teflon, or polytetrafluoroethylene (PTFE) as it is also referred to, is a highly adaptable substance that is frequently employed due to its nonstick properties and its ability to withstand high temperatures and chemicals. It is an exceptional option for insulating stainless steel pipes since it provides thermal insulation, guards against corrosion, and prevents heat loss or gain. Furthermore, Teflon insulation minimizes condensation or moisture accumulation on the pipe's surface. Moreover, Teflon's low friction coefficient enables smooth fluid flow through the pipes, rendering it appropriate for a wide range of applications in industries like food processing, pharmaceuticals, and chemicals.
Q: What is the difference between 304H and 316H stainless steel pipes?
The main difference between 304H and 316H stainless steel pipes lies in their chemical composition and the elements they contain. 304H stainless steel is a variation of the 304 stainless steel alloy, specifically designed for high-temperature applications. It contains a higher carbon content than standard 304 stainless steel, which enhances its high-temperature strength and resistance to corrosion. This makes it suitable for use in environments where elevated temperatures and corrosive substances are present. On the other hand, 316H stainless steel is a variation of the 316 stainless steel alloy, also designed for high-temperature applications. It contains a higher carbon content than standard 316 stainless steel, similar to 304H, which improves its high-temperature strength. However, 316H stainless steel also contains molybdenum, which provides additional resistance to corrosion, specifically in environments with chlorides, such as seawater or marine applications. In summary, while both 304H and 316H stainless steel pipes are suitable for high-temperature applications, 316H offers better corrosion resistance due to the addition of molybdenum. The choice between the two depends on the specific requirements of the application, such as the presence of corrosive substances or chlorides in the environment.
Q: How do you calculate the pipe length required for a specific application?
To calculate the pipe length required for a specific application, you need to consider factors such as the flow rate, pressure drop, pipe material, and the type of fluid being transported. By using equations and formulas specific to fluid dynamics, you can determine the appropriate pipe length needed to achieve the desired flow and pressure conditions. Additionally, factors like pipe fittings, bends, and elbows also need to be taken into account when calculating the overall pipe length required.
Q: Can stainless steel pipes be used for hydrogen fuel cell systems?
Yes, stainless steel pipes can be used for hydrogen fuel cell systems. Stainless steel is highly resistant to corrosion, making it a suitable material for transporting hydrogen gas, which can be corrosive. Additionally, stainless steel offers good strength and durability, making it a reliable choice for fuel cell systems.
Q: Can stainless steel pipes be used for oil and gas applications?
Yes, stainless steel pipes can be used for oil and gas applications. Stainless steel is highly resistant to corrosion and can withstand high temperatures and pressures, making it an ideal material for transporting and storing oil and gas. Additionally, stainless steel pipes have excellent mechanical properties, such as high tensile strength and toughness, which ensure their durability and reliability in demanding oil and gas environments. Stainless steel pipes are commonly used in various applications within the oil and gas industry, including drilling, production, refining, and transportation of oil and gas products.
Q: What is the difference between seamless and submerged arc welded stainless steel pipes?
The manufacturing process and resulting characteristics of seamless and submerged arc welded stainless steel pipes differ significantly. Seamless pipes are created by piercing a solid cylindrical billet and rolling it to form a hollow tube. This process ensures a smooth and uniform pipe without any welded seams. As a result, seamless pipes are generally considered to be stronger and more resistant to pressure. Additionally, their appearance is aesthetically pleasing due to the absence of visible welds. On the other hand, submerged arc welded pipes are manufactured by welding a coiled plate or strip of stainless steel using a submerged arc welding process. This involves feeding the plate or strip through rollers while simultaneously welding the edges together with an electric arc submerged in a flux material. The use of this welding method allows for the production of large diameter pipes suitable for high-pressure applications. However, the welding process may leave visible weld seams on the pipe's surface, which can impact its appearance and necessitate additional finishing processes. In terms of characteristics, seamless pipes are known for their superior strength, corrosion resistance, and ability to withstand high pressure and temperature. These properties make them commonly used in industries like oil and gas, chemical, and petrochemical. On the other hand, submerged arc welded pipes are more cost-effective and typically employed in applications that require large diameter pipes, such as water transmission, structural support, and infrastructure projects. To summarize, the key differences between seamless and submerged arc welded stainless steel pipes lie in their manufacturing processes, resulting appearance, and specific applications. Seamless pipes are produced without any welded seams, offering higher strength and pressure resistance. On the other hand, submerged arc welded pipes are cost-effective and suitable for large diameter applications.
Q: How do stainless steel pipes compare to PVC-U pipes?
Stainless steel pipes have several advantages over PVC-U pipes. Firstly, stainless steel pipes are much stronger and have a higher resistance to impact and pressure, making them suitable for high-pressure applications. PVC-U pipes are more susceptible to cracking or bursting under high pressure. Secondly, stainless steel pipes have a higher temperature resistance than PVC-U pipes. They can withstand much higher temperatures without deforming or losing their structural integrity. PVC-U pipes, on the other hand, have lower temperature limits and can become brittle or soften under extreme heat. Additionally, stainless steel pipes have better corrosion resistance compared to PVC-U pipes. They can withstand exposure to various chemicals, acids, and other corrosive substances without degradation. PVC-U pipes are prone to chemical attack and may deteriorate over time if exposed to certain chemicals. However, it is important to note that stainless steel pipes are generally more expensive than PVC-U pipes, which can be a factor to consider when choosing between the two. Ultimately, the choice between stainless steel pipes and PVC-U pipes depends on the specific requirements of the application and the budget constraints.
Q: What is the difference between nominal diameter and actual diameter in stainless steel pipes?
The nominal diameter refers to the designated size or label of a stainless steel pipe, while the actual diameter represents the physical measurement of the pipe's inner or outer diameter. The nominal diameter is often used for classification and standardization purposes, whereas the actual diameter provides the precise measurement for fitting and compatibility purposes.
Q: What is the difference between 17-7 and 15-7 stainless steel pipes?
The composition and properties distinguish 17-7 stainless steel pipes from 15-7 stainless steel pipes. 17-7 stainless steel is characterized as a precipitation-hardening stainless steel with approximately 17% chromium and 7% nickel. It is also alloyed with aluminum, enabling it to undergo heat treatment for achieving high strength and hardness. This stainless steel grade is renowned for its exceptional corrosion resistance, good formability, and high strength. It finds application in industries that demand high strength and corrosion resistance, such as aerospace components, springs, and chemical processing equipment. Contrarily, 15-7 stainless steel is classified as a semi-austenitic precipitation-hardening stainless steel comprising about 15% chromium and 7% nickel. Additionally, it is enriched with 2% molybdenum, which enhances its corrosion resistance. This stainless steel grade offers favorable mechanical properties, high strength, and excellent corrosion resistance. It is commonly utilized in fields requiring high strength, good formability, and resistance to stress corrosion cracking, such as springs, washers, and medical devices. To summarize, although both 17-7 and 15-7 stainless steel pipes exhibit excellent corrosion resistance and high strength, their composition and specific properties distinguish them. 17-7 stainless steel contains aluminum to enhance its heat treatability, while 15-7 stainless steel includes molybdenum for improved corrosion resistance. The selection between these two grades depends on the specific application requirements, encompassing strength, formability, and resistance to corrosion or stress corrosion cracking.
Q: 310 stainless steel resistance to high temperature?
Features: suitable for making all kinds of furnace components, with a maximum temperature of 1200 degrees, continuous use temperature of 1150 degrees CelsiusUses: furnace materials, materials for automotive cleaning equipment

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