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
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:
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: What is stainless steel decorative tube? What uses does it have?
- Is a hollow steel strip, used as pipe conveying fluid, such as oil, gas, water, gas, steam, in addition, the bending and torsional strength of the same, the weight is light, so it is widely used in the manufacture of machinery parts and engineering structures. It is also used to produce all kinds of conventional weapons, guns, shells and so on.
- Q: What are the common types of fittings used with stainless steel pipes?
- Stainless steel pipes are commonly paired with various types of fittings. Some fittings that are frequently utilized include: 1. Stainless Steel Threaded Fittings: These fittings possess threaded ends, enabling effortless connection to pipes or other fittings. They are typically employed in low-pressure scenarios and can be easily installed or removed using a wrench. 2. Stainless Steel Butt-Weld Fittings: Butt-weld fittings are utilized to seamlessly join stainless steel pipes. These fittings are directly welded to the pipe, resulting in a robust and leak-free connection. Butt-weld fittings find common use in high-pressure or high-temperature applications. 3. Stainless Steel Flanges: Flanges are employed to bolt pipes or fittings together, ensuring a secure and inflexible connection. They can be conveniently disassembled when necessary. Various types of flanges are available, including slip-on, weld neck, socket weld, and blind flanges. 4. Stainless Steel Compression Fittings: Compression fittings create a tight seal between pipes by compressing a ferrule against the pipe. They are commonly found in plumbing systems and provide a trustworthy and leak-free connection. 5. Stainless Steel Camlock Fittings: Camlock fittings are quick-connect fittings frequently used in industrial settings. They consist of a male and female end that can be effortlessly joined by simply pushing them together and locking them in place. Camlock fittings are well-regarded for their user-friendly nature and versatility. These are just a few examples of the fittings commonly employed with stainless steel pipes. The choice of fitting depends on the specific application, pressure, temperature, and other relevant factors. It is crucial to select the appropriate fitting to ensure a secure and dependable connection.
- Q: How do you calculate the pipe length required for a specific application?
- To calculate the pipe length required for a specific application, there are several factors that need to be considered. 1. Flow Rate: Determine the desired flow rate or the amount of fluid to be transported through the pipe per unit of time. This can be measured in gallons per minute (GPM), liters per second (L/s), or any other appropriate unit. 2. Pipe Material: Identify the material of the pipe that will be used for the application. Different materials have different friction coefficients, which will affect the overall length required. 3. Friction Loss: Calculate the friction loss in the pipe based on the flow rate and the material properties. This involves determining the friction factor for the specific pipe material and using the appropriate equation (such as Darcy-Weisbach equation or Hazen-Williams equation) to calculate the friction loss. 4. Pressure Drop: Consider the desired pressure drop across the pipe. This is typically specified by the application requirements or system design. The pressure drop can be calculated using the Bernoulli's equation or other relevant equations. 5. Pipe Diameter: Determine the appropriate pipe diameter based on the desired flow rate and the allowable pressure drop. This can be done by using pipe sizing charts or equations specific to the pipe material and the flow characteristics. 6. Pipe Length Calculation: Once the pipe diameter is known, calculate the length required based on the desired flow rate, pressure drop, and the friction loss. This can be done using various pipe sizing equations or software tools available for the specific pipe material. 7. Additional Factors: Consider any additional factors that may affect the pipe length calculation, such as elevation changes, fittings, valves, or other components in the system. These factors may introduce additional friction losses or pressure drops that need to be accounted for. It is important to note that pipe length calculations are typically performed by engineers or professionals with expertise in fluid mechanics and pipe system design. Consulting relevant codes, standards, and guidelines specific to the application is also recommended to ensure compliance with safety and performance requirements.
- Q: What are the different surface finishes available for stainless steel pipes?
- There are several different surface finishes available for stainless steel pipes, each with its own unique characteristics and uses. 1. Mill Finish: This is the basic finish that stainless steel pipes come with after manufacturing. It has a dull, rough appearance and is suitable for applications where aesthetics are not a major concern. 2. Brushed Finish: Also known as satin finish, this surface finish is achieved by brushing the stainless steel pipe with abrasive material. It creates a smooth, brushed appearance with fine lines running in one direction. Brushed finish is commonly used in architectural applications and can provide a more polished look compared to the mill finish. 3. Mirror Finish: This is the most reflective surface finish available for stainless steel pipes. It is achieved by polishing the surface to a high gloss using progressively finer abrasives. Mirror finish is commonly used in decorative applications and provides a sleek, reflective appearance. 4. Polished Finish: This finish falls between the brushed and mirror finishes. It is achieved by polishing the surface to a smooth, shiny appearance using finer abrasives than the brushed finish. Polished finish is often used in applications where a more refined, but not overly reflective, look is desired. 5. Bead Blasted Finish: This finish is achieved by blasting small glass beads against the surface of the stainless steel pipe, creating a uniform matte appearance. Bead blasted finish is commonly used in industrial applications where a non-reflective surface is required, such as in food processing or pharmaceutical industries. 6. Electropolished Finish: This is a specialized surface finish that involves electrochemical polishing of the stainless steel pipe. It removes surface imperfections, enhances corrosion resistance, and creates a smooth, bright appearance. Electropolished finish is commonly used in industries that require high sanitary standards, such as pharmaceutical and biotechnology. These are just a few of the different surface finishes available for stainless steel pipes. The choice of finish depends on the specific application requirements, such as aesthetics, corrosion resistance, and cleanliness.
- Q: Are stainless steel pipes resistant to pitting?
- Yes, stainless steel pipes are generally resistant to pitting. The high chromium content in stainless steel creates a protective oxide layer on the surface, which helps prevent pitting corrosion. However, the resistance to pitting can vary depending on the specific grade of stainless steel and the conditions in which it is used.
- Q: What is the cost difference between stainless steel pipes and other materials?
- The cost difference between stainless steel pipes and other materials can vary depending on factors such as the type of material, size, and quality. Generally, stainless steel pipes tend to be more expensive than materials like PVC or galvanized steel. However, stainless steel pipes offer superior durability, corrosion resistance, and longevity, making them a worthwhile investment in many applications.
- Q: What is the average weight of a stainless steel pipe?
- The average weight of a stainless steel pipe can vary depending on its diameter, thickness, and length.
- Q: What are the common industry standards for stainless steel pipes?
- The recommended standards for stainless steel pipes differ depending on the intended use and the regulations of each country. Nonetheless, there are several widely recognized and accepted standards, such as those established by the ASTM, ASME, and ISO. The ASTM standards, like ASTM A312 and ASTM A269, provide guidelines for the production and quality control of stainless steel pipes. These standards cover various aspects, including the chemical composition, mechanical properties, dimensions, and tolerances. The ASME standards, particularly ASME B36.19 and ASME B36.10M, specify the dimensions and wall thicknesses of stainless steel pipes for specific applications. Additionally, ASME B31.3 offers guidelines for the design, construction, and maintenance of process piping systems that may incorporate stainless steel pipes. The ISO standards, such as ISO 1127 and ISO 2037, establish international guidelines for the dimensions, tolerances, and surface finishes of stainless steel pipes. These standards ensure that stainless steel pipes can be used interchangeably and are compatible across different countries. Furthermore, specific industries may have their own requirements. For instance, the food and beverage industry often follows the standards set by organizations like 3-A Sanitary Standards, which emphasize the cleanliness and hygiene of stainless steel pipes used in food processing. It is crucial to consult the relevant standards and regulations for each specific application to ensure compliance with industry requirements and to guarantee the safe and efficient use of stainless steel pipes.
- Q: How do you pressure test stainless steel pipes?
- To ensure the integrity and safety of stainless steel pipes, it is crucial to conduct pressure testing. Below is a step-by-step guide on how to perform pressure testing on stainless steel pipes: 1. Pipe Preparation: Before initiating the pressure test, make sure the stainless steel pipes are clean and devoid of any debris or contaminants. Inspect the pipes for visible defects like cracks or leaks and repair or replace them if necessary. 2. Gathering the Necessary Equipment: You will require a pressure testing pump or equipment capable of generating the desired pressure, pressure gauges, and appropriate seals or plugs to seal the pipe ends. 3. Determining the Required Pressure: Refer to engineering specifications or relevant industry standards to determine the suitable pressure for testing the stainless steel pipes. The pressure is usually indicated in pounds per square inch (psi). 4. Sealing the Pipe Ends: Use suitable seals or plugs to securely seal all the ends of the stainless steel pipes. This will prevent any leakage during the pressure test. 5. Connecting the Pressure Testing Equipment: Connect the pressure testing pump or equipment to one end of the pipe using a pressure gauge to accurately monitor the pressure. Ensure that the connections are tight and leak-proof. 6. Applying Pressure Gradually: Gradually increase the pressure in the stainless steel pipes using the pressure testing pump or equipment. Keep a close eye on the pressure gauge and ensure it reaches and stabilizes at the desired testing pressure. This gradual process avoids sudden pressure surges that could potentially damage the pipes. 7. Maintaining the Pressure: Maintain the pressure at the desired level for a specified duration as recommended by engineering specifications or standards. The duration can vary from a few minutes to several hours depending on the application and requirements. 8. Leak Inspection: While maintaining the pressure, carefully inspect the stainless steel pipes for any signs of leakage. Look for visible leaks, listen for hissing sounds, or use leak-detection solution or soapy water to identify any escaping air or bubbles. If leaks are detected, halt the pressure test and address the issue before proceeding. 9. Releasing the Pressure: Once the pressure test is completed, gradually release the pressure from the stainless steel pipes using the pressure testing pump or equipment. Be cautious while releasing the pressure to prevent sudden decompression that could potentially damage the pipes. 10. Evaluating the Results: After the pressure test, inspect the stainless steel pipes again to ensure no new leaks or defects have emerged. If the pipes have successfully passed the pressure test without any issues, they can be considered safe and suitable for their intended application. It is important to note that pressure testing stainless steel pipes should only be carried out by qualified personnel following industry standards and guidelines to ensure accuracy and safety.
- Q: What are the dimensions and sizes of stainless steel pipes?
- Stainless steel pipes come in various dimensions and sizes to cater to different industrial and commercial applications. The dimensions and sizes of stainless steel pipes are determined by their nominal diameter (DN) and their schedule or wall thickness. The nominal diameter refers to the approximate internal diameter of the pipe, and it is commonly expressed in inches or millimeters. The most commonly available stainless steel pipe sizes range from 1/8 inch (3.175 mm) up to 48 inches (1219 mm) in nominal diameter. However, larger sizes can be custom-made to meet specific requirements. The schedule or wall thickness of stainless steel pipes is denoted by a schedule number, which indicates the thickness of the pipe's walls. The most common schedules for stainless steel pipes are Sch 5, Sch 10, Sch 40, and Sch 80. The higher the schedule number, the thicker the walls of the pipe. In addition to the dimensions and sizes, stainless steel pipes are also available in various lengths, typically ranging from 20 feet (6.1 meters) to 40 feet (12.2 meters). However, custom lengths can also be ordered based on specific project needs. It is worth noting that these dimensions and sizes may vary depending on the standards and specifications set by different countries and industries. Therefore, it is essential to consult the relevant standards or work with a trusted supplier to ensure the accurate dimensions and sizes of stainless steel pipes for a particular application.
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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
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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