PVC Coated Stainless Seamless Steel Tube
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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OKorder Financial Service
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We are company that have many years experience and professional manager team and engineer team and sales team, sure we will provide you high quality of pipe and professioanl service.
Seamless pipe possesses a hollow section and without seam around the strip steel. It is made with solid bar or steel ingot by perforating machine. As the facture process does not include any welding, seamless pipes are considered to be stronger and more durable. Generally speaking, seamless pipe has better pressure resistance and security than other classifications, and was usually more easily available than welded pipe.
2、Main Features of the Seamless Pipe:
• High working accuracy
• High strength
• Small inertia resistance
• Strong therming dissipine ability
• Good appearance
• Reasonble price
3、Seamless Pipe Specification：
Standard | GB, DIN, ASTM ASTM A106-2006, ASTM A53-2007 |
Grade | 10#-45#, 16Mn 10#, 20#, 45#, 16Mn |
Thickness | 8 - 33 mm |
Section Shape | Round |
Outer Diameter | 133 - 219 mm |
Place of Origin | Shandong, China (Mainland) |
Secondary Or Not | Non-secondary |
Application | Hydraulic Pipe |
Technique | Cold Drawn |
Certification | API |
Surface Treatment | factory state or painted black |
Special Pipe | API Pipe |
Alloy Or Not | Non-alloy |
Length | 5-12M |
Outer Diameter | 21.3-610mm |
Grade | 20#, 45#, Q345, API J55, API K55, API L80, API N80, API P110, A53B |
Standard | ASME, ASTM |
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) Executive 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.
4、Packaging & Delivery:
Packaging Details: | seaworthy package, bundles wrapped with strong steel strip |
Delivery Detail: | 15-30days after received 30%TT |
5、FAQ of Seamless Pipe:
①How is the quality of your products?
We have many years business experience in this area, and we have professional engineer and manager team and sure we can provide you high quality production and professional service.
②How 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.
③Why should you chose us?
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.
6、Seamless Pipe Images：
- Q: What is the difference between seamless and LSAW stainless steel pipes?
- Different industries commonly use seamless and LSAW stainless steel pipes. The manufacturing process and resulting structural characteristics distinguish these two types of pipes. Seamless stainless steel pipes are produced without any seams or welds. Manufacturers achieve this by piercing a solid cylindrical billet and extruding it to create a hollow tube. This technique ensures a uniform cross-section, resulting in a smooth and consistent inner and outer surface. The absence of welds eliminates potential weak points, enhancing the overall strength and integrity of the pipe. Seamless pipes are known for their superior corrosion resistance and are often preferred in critical applications where leakage must be avoided. In contrast, LSAW stainless steel pipes are formed by bending and welding a steel plate or coil into a cylindrical shape. The welding process involves passing an electric arc through the steel plate and the welding filler material, creating a visible seam on the pipe's exterior. LSAW pipes are commonly used in applications requiring large diameters and thick walls, such as oil and gas transportation. They can be produced in longer lengths and with larger diameters compared to seamless pipes. Seamless stainless steel pipes are generally more expensive to manufacture than LSAW pipes due to their complex production process. However, their seamless construction offers superior performance and reliability, making them the preferred choice for critical applications. On the other hand, LSAW pipes provide a cost-effective solution for large-scale projects where the visible seam is not a concern. To summarize, the main differences between seamless and LSAW stainless steel pipes lie in their manufacturing process, structural characteristics, and cost. Seamless pipes are made without seams or welds, providing excellent corrosion resistance and strength. LSAW pipes, on the other hand, are created by bending and welding a steel plate, offering a cost-effective solution for large-scale projects. The choice between these two types of pipes depends on the specific requirements of the application and the desired balance between cost and performance.
- Q: How are stainless steel pipes made?
- Stainless steel pipes are made through a process called stainless steel pipe manufacturing. This process involves several steps to ensure the production of high-quality pipes that are durable, corrosion-resistant, and suitable for various applications. Firstly, the raw material, which is stainless steel, is selected based on its composition and desired properties such as strength, corrosion resistance, and heat resistance. Stainless steel is an alloy made primarily of iron, chromium, and other elements like nickel and molybdenum. Once the stainless steel is obtained, it goes through a melting process in an electric furnace, where the steel is melted at extremely high temperatures. This molten steel is then poured into molds to form billets or ingots, which are solidified and shaped into cylindrical bars. The next step is to heat the billets or ingots in a furnace to a specific temperature range to make them more malleable. This process is called hot rolling, and it involves passing the heated billets through a series of rollers to reduce their diameter and thickness. This continuous rolling process helps to refine the stainless steel's grain structure and improve its mechanical properties. After hot rolling, the stainless steel is annealed, which involves heating the material to a specific temperature and then gradually cooling it. Annealing helps to relieve any internal stresses in the steel caused by the hot rolling process and enhances its ductility and toughness. The annealed stainless steel is then subjected to cold rolling, where it is passed through a series of rollers at room temperature. Cold rolling further reduces the diameter and thickness of the stainless steel, resulting in a smoother surface finish and tighter tolerances. Once the desired dimensions are achieved, the stainless steel undergoes a process called welding or seamless pipe manufacturing, depending on the type of pipe being produced. In the case of welded stainless steel pipes, the cold-rolled stainless steel strip is formed into a cylindrical shape and then welded longitudinally using various welding techniques such as TIG (Tungsten Inert Gas) or MIG (Metal Inert Gas) welding. This welding process ensures the integrity and strength of the pipe. On the other hand, seamless stainless steel pipes are made by piercing a solid cylindrical billet or ingot to form a hollow tube. This is achieved through a process called piercing, where a mandrel is used to create a cavity in the billet. The pierced billet is then elongated and rolled to the desired length and diameter. After the pipes are formed, they undergo various finishing processes such as heat treatment, pickling, passivation, and polishing to enhance their corrosion resistance, remove any surface impurities, and improve their aesthetic appearance. In conclusion, stainless steel pipes are made through a combination of melting, hot rolling, annealing, cold rolling, welding or seamless pipe manufacturing, and various finishing processes. This meticulous production process ensures the production of high-quality stainless steel pipes that meet the required specifications and standards.
- Q: How do you calculate the pressure drop in stainless steel pipes?
- In order to determine the pressure drop in stainless steel pipes, one must take into account various factors including the flow rate, pipe diameter, pipe length, and the properties of the fluid being transported. The pressure drop can be calculated using the commonly used Darcy-Weisbach equation, which is as follows: ΔP = (f * (L/D) * (ρ * V^2))/2 Where: ΔP represents the pressure drop (in units of force per unit area, such as psi or Pa) f is the Darcy friction factor (which depends on flow conditions and pipe roughness) L represents the pipe length (in units of length, such as meters or feet) D is the pipe diameter (in units of length, such as meters or feet) ρ corresponds to fluid density (in units of mass per unit volume, such as kg/m^3 or lb/ft^3) V represents fluid velocity (in units of length per unit time, such as m/s or ft/s) To calculate the pressure drop, one must determine the Darcy friction factor, which is dependent on the Reynolds number (Re) and the relative roughness of the pipe. The Reynolds number can be calculated using the following equation: Re = (ρ * V * D)/μ Where: μ represents fluid viscosity (in units of force per unit area per unit time, such as Pa·s or lb/ft·s) Once the Reynolds number has been determined, empirical correlations or Moody's chart can be used to find the Darcy friction factor for the given flow conditions. With the friction factor, pipe length, diameter, fluid density, and velocity, the pressure drop can then be calculated using the Darcy-Weisbach equation. It is important to note that the aforementioned equations provide an approximate calculation of pressure drop in stainless steel pipes. The accuracy of the calculation may be influenced by factors such as pipe roughness, fluid properties, and the flow regime. It is also recommended to consult relevant standards or engineering references for more detailed and accurate calculations.
- Q: Can stainless steel water pipes be cooled and bent?
- Stainless steel pipe is a kind of hollow long strip round steel, mainly used in petroleum, chemical, medical, food, light industry, machinery, instrument and other industrial pipeline and mechanical structure parts.
- Q: Are stainless steel pipes suitable for extreme weather conditions?
- Yes, stainless steel pipes are highly suitable for extreme weather conditions. Stainless steel is known for its exceptional corrosion resistance, making it resistant to rust and deterioration caused by harsh weather elements such as rain, snow, and extreme temperatures. It can withstand freezing temperatures, high humidity, and exposure to UV rays without losing its structural integrity. Additionally, stainless steel pipes are also highly durable and have a long lifespan, making them an excellent choice for withstanding extreme weather conditions.
- Q: Can stainless steel pipes be used for swimming pool installations?
- Swimming pool installations can indeed utilize stainless steel pipes. Stainless steel is an incredibly sturdy and corrosion-resistant substance, which renders it appropriate for deployment in swimming pool settings where water and chemicals are consistently present. Stainless steel pipes are renowned for their long lifespan and capacity to endure the demanding conditions of a swimming pool, such as exposure to chlorinated water and high temperatures. Furthermore, stainless steel pipes are effortless to clean and maintain, thereby diminishing the possibility of contamination or obstructions in the pool system. All in all, due to their robustness, corrosion resistance, and durability, stainless steel pipes emerge as a dependable choice for swimming pool installations.
- Q: What is the difference between seamless and electric resistance welded stainless steel pipes?
- Seamless and electric resistance welded (ERW) stainless steel pipes vary in terms of their production process and the characteristics of the resulting pipes. Seamless stainless steel pipes are made through hot rolling or cold drawing. A solid cylindrical billet or ingot is heated and pierced to create a hollow tube. This tube is then elongated and reduced in diameter to achieve the desired size and thickness. Since seamless pipes lack any welding seam, they possess higher strength, corrosion resistance, and pressure resistance compared to welded pipes. They are commonly used in high-pressure applications due to their ability to withstand stress and resist leaks or failures. In contrast, electric resistance welded stainless steel pipes are manufactured by applying heat and pressure to longitudinally welded stainless steel strips or plates. The edges of the strip or plate are heated and fused together under pressure to form a tube. ERW pipes have a visible welded seam along their length due to the welding process. Although the welded seam may slightly diminish the overall strength and corrosion resistance of the pipe, ERW pipes are still highly durable and suitable for various applications. They are frequently utilized in industries such as oil and gas, petrochemical, and plumbing. To summarize, the primary distinction between seamless and electric resistance welded stainless steel pipes lies in their manufacturing process and the presence of a visible welded seam. Seamless pipes are produced without welding, resulting in superior strength and corrosion resistance, particularly in high-pressure applications. Conversely, ERW pipes are formed through welding, resulting in a visible seam, but they still possess good durability and are widely used in different industries.
- Q: Can stainless steel pipes be used in the food industry?
- Yes, stainless steel pipes can be used in the food industry. Stainless steel is a popular choice for piping in the food industry due to its excellent corrosion resistance, durability, and hygienic properties. It does not react with food or beverages, ensuring that the quality and taste of the products are not compromised. Stainless steel pipes are also easy to clean and maintain, making them ideal for use in food processing, beverage production, and other applications within the food industry. Additionally, stainless steel pipes have high temperature resistance, allowing them to withstand the high heat required in various food processing operations. Overall, stainless steel pipes are a reliable and safe choice for transporting food and beverages in the food industry.
- Q: What is the yield strength of stainless steel pipes?
- The yield strength of stainless steel pipes can vary depending on the specific grade of stainless steel used. However, most commonly used grades of stainless steel pipes have a yield strength ranging between 25,000 to 100,000 pounds per square inch (psi).
- Q: What is the working temperature range for stainless steel pipes?
- The working temperature range for stainless steel pipes typically ranges from -150°C (-238°F) to 816°C (1500°F).
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PVC Coated Stainless Seamless Steel Tube
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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