Large Diameter Stainless Steel Pipe for wholesales
- Ref Price:
-
- 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
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:
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:How do you protect stainless steel pipes from internal corrosion?
- To safeguard stainless steel pipes from internal corrosion, one effective approach is the utilization of a corrosion inhibitor. These inhibitors, which are chemical substances, can be incorporated into the fluid that flows through the pipes. This addition creates a protective layer on the inner surface of the pipe, acting as a barrier that prevents direct contact between the corrosive agents in the fluid and the stainless steel. Multiple types of corrosion inhibitors exist, and the choice depends on the specific application and the nature of the fluid being transported. Examples include organic inhibitors, which generate a protective film on the pipe's surface, and inorganic inhibitors, which interact with the corrosive agents to form less harmful compounds. An alternative method for shielding stainless steel pipes from internal corrosion involves cathodic protection. This technique entails linking the stainless steel pipe to a sacrificial anode composed of a more reactive metal like zinc or aluminum. This connection establishes a galvanic cell, whereby the anode corrodes instead of the stainless steel pipe. By sacrificing the anode, the pipe is effectively shielded from internal corrosion. Regular maintenance and inspection are also vital in preventing internal corrosion. It is crucial to monitor the condition of the pipes, promptly identify any indications of corrosion or damage, and promptly address any issues. Flushing the pipes with clean water or suitable cleaning solutions can aid in the removal of any deposits or contaminants that might contribute to corrosion. Moreover, maintaining the proper composition and pH levels of the fluid is essential in preventing internal corrosion. In certain cases, adjusting the fluid's pH or adding corrosion inhibitors tailored to the specific fluid being transported can significantly decrease the risk of corrosion. In conclusion, the combination of corrosion inhibitors, cathodic protection, regular maintenance, and appropriate fluid management is an effective means of safeguarding stainless steel pipes from internal corrosion. This approach ensures the pipes' durability and optimal performance.
- Q:What is the difference between seamless and cold-rolled stainless steel pipes?
- Differences can be observed between seamless and cold-rolled stainless steel pipes in terms of their manufacturing process and resulting characteristics. Seamless stainless steel pipes are created by piercing a solid cylindrical billet of stainless steel and subjecting it to various steps, including elongation and reduction, to achieve the desired size and shape. Through this process, the pipe acquires a smooth and even surface without any welded seams. As a result, seamless stainless steel pipes exhibit superior strength, durability, and resistance to corrosion. Furthermore, they are capable of withstanding high pressure and temperature conditions, making them suitable for a wide range of applications, such as oil and gas pipelines, chemical processing, and power generation. On the other hand, cold-rolled stainless steel pipes are manufactured by rolling stainless steel sheets or strips at room temperature. This process involves passing the material through a series of rollers to reduce its thickness and shape it into a cylindrical form. Unlike seamless pipes, cold-rolled pipes possess visible welded seams on their surface. While these seams may potentially weaken the pipe, their strength and integrity can be improved by applying additional processes such as heat treatment or cold working. The choice between seamless and cold-rolled stainless steel pipes depends on the specific requirements of the application. Seamless pipes are generally preferred when high strength, corrosion resistance, and pressure resistance are crucial, especially in industries where leaks or failure can have severe consequences. On the other hand, cold-rolled pipes may be more suitable for applications where cost-effectiveness and moderate performance are sufficient, such as certain plumbing systems or decorative purposes. To summarize, seamless stainless steel pipes are manufactured without welded seams, offering superior strength, durability, and resistance to corrosion, making them ideal for demanding applications. Meanwhile, cold-rolled stainless steel pipes, which possess visible welded seams, are generally more cost-effective and suitable for less demanding applications that do not require the same level of strength and corrosion resistance.
- Q:Can stainless steel pipes be insulated with asbestos?
- Insulating stainless steel pipes with asbestos is not recommended due to its hazardous nature. Asbestos has been linked to severe health hazards, such as mesothelioma and lung cancer. The dangers of asbestos exposure are widely acknowledged, leading to its prohibition in numerous countries. Fortunately, there are numerous alternative insulation materials that are both safer and more effective than asbestos. These options include fiberglass, mineral wool, and foam insulation. These materials possess exceptional thermal insulation properties while eliminating the health risks associated with asbestos. When selecting an insulation material for stainless steel pipes, it is crucial to consider the specific requirements of the application and adhere to the necessary safety standards. Seeking guidance from a professional insulation contractor or engineer is always advisable to ensure the correct insulation material is chosen.
- Q:Stainless steel pipe pickling ratio
- Usage: used for contaminant removal of various types of stainless steel parts, sheet metal surface and its equipment rust, oxide skin, after welding of yellow blue black spot welding, a silver white metal surface cleaning, and surface passivation, corrosion resistance of stainless steel.
- Q:What is the difference between Schedule 5 and Schedule 10 stainless steel pipes?
- Schedule 5 and Schedule 10 stainless steel pipes are both commonly used in various industries and applications, but there are some key differences between the two. The main difference lies in their wall thickness. Schedule 5 stainless steel pipes have a thinner wall thickness compared to Schedule 10 stainless steel pipes. This means that Schedule 5 pipes have a higher internal diameter, allowing for a greater flow of fluids or gases through the pipe. Schedule 10 stainless steel pipes, on the other hand, have a thicker wall thickness, resulting in a smaller internal diameter. This makes them more suitable for applications that require higher pressure or strength, as the thicker walls provide increased durability and resistance to external forces. Additionally, the different wall thicknesses of Schedule 5 and Schedule 10 pipes affect their weight and cost. Due to the thinner walls, Schedule 5 pipes are lighter and less expensive than Schedule 10 pipes. In terms of availability, Schedule 10 stainless steel pipes are more commonly used in industrial processes that involve high pressure or corrosive environments, such as chemical plants or oil refineries. Schedule 5 stainless steel pipes are often used in applications where the flow of fluids or gases is not under extreme pressure, such as plumbing or low-pressure conveying systems. In summary, the main differences between Schedule 5 and Schedule 10 stainless steel pipes lie in their wall thickness, internal diameter, strength, weight, and cost. The choice between the two depends on the specific requirements of the application and the level of pressure or durability needed.
- Q:Can stainless steel pipes be galvanized?
- No, stainless steel pipes cannot be galvanized. Galvanizing is a process used to protect steel or iron from corrosion by coating it with a layer of zinc. Since stainless steel is already resistant to corrosion due to the presence of chromium, galvanizing is unnecessary and ineffective.
- Q:Can stainless steel pipes be bent or curved?
- Yes, stainless steel pipes can be bent or curved.
- Q:Can stainless steel pipes be insulated with ceramic?
- Yes, stainless steel pipes can be insulated with ceramic. Ceramic insulation is commonly used in industrial applications where high temperatures are involved. Ceramic insulation provides excellent heat resistance and thermal insulation properties. It can withstand extreme temperatures and is highly effective in reducing heat transfer. Ceramic insulation is often used to insulate pipes, tanks, furnaces, and other equipment in various industries. When applied to stainless steel pipes, ceramic insulation helps to maintain the temperature of the fluid inside the pipes and prevents heat loss or gain. It also provides protection against corrosion and mechanical damage. Overall, ceramic insulation is a suitable option for insulating stainless steel pipes in a wide range of applications.
- Q:What is the maximum temperature stainless steel pipes can withstand?
- The specific grade of stainless steel used determines the maximum temperature that stainless steel pipes can tolerate. Typically, these pipes can withstand high temperatures between 1200°C and 1400°C (2200°F to 2550°F). However, it's essential to consider that the actual maximum temperature may differ due to factors like the stainless steel composition, the duration of exposure to high temperatures, and the presence of corrosive elements in the surroundings. To obtain precise temperature limits for a specific grade of stainless steel pipe, it is always advised to refer to the manufacturer's specifications or seek guidance from a professional engineer.
- Q:Can stainless steel pipes be used for pharmaceutical cleanrooms?
- Yes, stainless steel pipes can be used for pharmaceutical cleanrooms. Stainless steel is a preferred material in pharmaceutical cleanrooms due to its excellent corrosion resistance, durability, and ease of cleaning. It meets the stringent requirements for clean and sterile environments and can withstand the harsh cleaning agents used in pharmaceutical facilities.
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Large Diameter Stainless Steel Pipe for wholesales
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 35 m.t.
- Supply Capability:
- 5000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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