Seamless Stainless Steel Pipe S31803 China Factory
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- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 12000 m.t./month
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1、Structure of Seamless Pipe ASTM A106/53:
1.duplex S31803 stainless steel seamless pipe
2.OD:3-580MM WT:1-30MM
3.ASTM A240/789/790
4.chemical industry pipe
5.Zhejiang
2、Main Features of the Seamless Pipe ASTM A106/53:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、Seamless Pipe ASTM A106/53 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 |
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 ASTM A106/53:
①How 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.
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?
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.
6、Seamless Pipe ASTM A106/53 Images：
- Q:304 stainless steel, welded to seamless difference in what place?
- Chemical composition of seamed pipe and seamless pipe are different. The production of seamless steel components only meets the basic requirements of astm. The production of seamed tube steel containing suitable for chemical composition of welding. For example, the mixing of silicon, sulfur, manganese, oxygen, and a certain proportion of elements such as the triangle ferrite can produce a welding flux which is easy to transfer heat during welding, so as to make the whole weld be welded well. The lack of steel pipe above the chemical components, such as seamless tube, can produce all kinds of unstable factors in the process of welding, welding and welding penetration is not easy.
- Q:Are stainless steel pipes recyclable?
- Yes, stainless steel pipes are recyclable. Stainless steel is a highly sustainable material that can be recycled repeatedly without losing its properties or quality. Recycling stainless steel pipes helps conserve resources, reduce waste, and minimize environmental impact.
- Q:How do stainless steel pipes compare to polyvinyl chloride pipes?
- Stainless steel pipes and polyvinyl chloride (PVC) pipes are two popular options for plumbing and other industrial applications. They have distinct characteristics and advantages, making them suitable for different purposes. Firstly, stainless steel pipes are known for their exceptional durability and strength. They are highly resistant to corrosion, rust, and extreme temperatures, making them ideal for harsh environments and outdoor applications. Additionally, stainless steel pipes have a long lifespan and require minimal maintenance, reducing replacement and repair costs over time. On the other hand, PVC pipes are lightweight and easy to install, making them a cost-effective option for both residential and commercial plumbing systems. They are resistant to chemicals and offer good insulation properties. PVC pipes are also non-conductive, making them suitable for electrical applications. Moreover, PVC pipes are typically less expensive than stainless steel pipes, which can be a determining factor for budget-conscious projects. Another crucial aspect to consider is the environmental impact. Stainless steel pipes are fully recyclable, making them an environmentally friendly choice. PVC pipes, however, can pose environmental concerns due to the use of chlorine during production and the difficulty in recycling. Ultimately, the choice between stainless steel pipes and PVC pipes depends on various factors, such as the specific application, budget, durability requirements, and environmental considerations. While stainless steel pipes excel in terms of durability and resistance, PVC pipes are cost-effective and easy to install. It is essential to evaluate the needs of the project and consult with professionals to determine the most suitable option for each specific case.
- Q:How do stainless steel pipes compare to polypropylene pipes?
- Stainless steel pipes and polypropylene pipes are two popular choices for various plumbing and industrial applications, and they have distinct characteristics that set them apart. Firstly, stainless steel pipes are known for their exceptional durability and strength. They can withstand high pressure and temperature conditions, making them suitable for applications that require robustness and reliability. On the other hand, polypropylene pipes are not as strong as stainless steel and may not be suitable for high-pressure environments. Secondly, stainless steel pipes have excellent corrosion resistance properties. They are highly resistant to rust, corrosion, and chemical reactions, making them ideal for plumbing systems that handle corrosive fluids or gases. Polypropylene pipes, while resistant to many chemicals, may not have the same level of corrosion resistance as stainless steel pipes. Thirdly, stainless steel pipes offer excellent hygiene and cleanliness. They have a smooth interior surface that discourages the growth of bacteria and biofilm, making them suitable for applications in the food and beverage industry or medical facilities. Polypropylene pipes, while relatively resistant to bacterial growth, may not provide the same level of cleanliness as stainless steel. Additionally, stainless steel pipes are known for their longevity and low maintenance requirements. They have a longer lifespan compared to polypropylene pipes, which may need to be replaced more frequently. Stainless steel pipes also require less maintenance and are less prone to leaks or cracks. However, it is worth noting that polypropylene pipes have their advantages too. They are lightweight, easy to install, and relatively cost-effective compared to stainless steel pipes. Polypropylene also has excellent thermal insulation properties, which can be beneficial in certain applications. Ultimately, the choice between stainless steel pipes and polypropylene pipes depends on the specific requirements of the project. Factors such as pressure, temperature, corrosion resistance, cleanliness, and budget should be considered to determine the most suitable option. Consulting with a professional plumber or engineer can help in making an informed decision.
- Q:What is the difference between 409 and 316 stainless steel pipes?
- The composition and intended use are what differentiate 409 and 316 stainless steel pipes. 409 stainless steel is categorized as ferritic stainless steel, containing more chromium but less nickel than 316 stainless steel. This means that 409 stainless steel is less resistant to corrosion and oxidation. However, it is still suitable for applications that require moderate levels of corrosion resistance, such as automotive exhaust systems and heat exchangers. On the contrary, 316 stainless steel is classified as austenitic stainless steel, with higher amounts of both chromium and nickel. Because of its composition, it provides excellent corrosion resistance, even in demanding environments. Therefore, it is commonly used in applications where superior resistance to corrosion is necessary, such as marine environments, chemical processing plants, and medical equipment. To summarize, the main distinctions between 409 and 316 stainless steel pipes are their composition and corrosion resistance. 409 stainless steel is appropriate for applications with moderate levels of corrosion resistance, while 316 stainless steel is the preferred choice for applications that demand superior corrosion resistance in harsh environments.
- Q:Are stainless steel pipes suitable for vacuum systems?
- Yes, stainless steel pipes are suitable for vacuum systems. Stainless steel has excellent corrosion resistance and high strength, making it ideal for handling the low pressure and potential moisture present in vacuum systems. Additionally, stainless steel pipes have high thermal conductivity, which aids in maintaining the desired vacuum level.
- Q:What is the difference between 17-4 and 316 stainless steel pipes?
- The main difference between 17-4 and 316 stainless steel pipes lies in their composition and properties. 17-4 stainless steel, also known as SAE type 630, is a precipitation-hardening stainless steel that contains approximately 17% chromium and 4% nickel. It also contains small amounts of copper, niobium, and tantalum. The addition of these elements enables 17-4 stainless steel to undergo a heat treatment process, known as precipitation hardening, which increases its strength and hardness. This makes it suitable for applications that require high strength and good corrosion resistance, such as in aerospace and defense industries. However, it may not have the best resistance to certain corrosive environments compared to other stainless steels. On the other hand, 316 stainless steel is an austenitic stainless steel that contains approximately 16-18% chromium, 10-14% nickel, and 2-3% molybdenum. This composition provides excellent corrosion resistance, particularly in chloride-containing environments such as marine environments or coastal areas. 316 stainless steel is also known for its good weldability and formability, making it a popular choice in various industries including food processing, pharmaceuticals, and chemical processing. In summary, the primary difference between 17-4 and 316 stainless steel pipes lies in their composition and properties. 17-4 stainless steel offers higher strength and hardness through precipitation hardening, while 316 stainless steel provides superior corrosion resistance, especially in chloride-containing environments. The choice between the two will depend on the specific requirements of the application, with considerations for strength, corrosion resistance, and other factors.
- 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:What is the composition of stainless steel pipes?
- Stainless steel pipes are primarily composed of iron with a minimum of 10.5% chromium content by mass. The addition of chromium creates a protective oxide layer on the surface, known as the passive layer, which helps prevent corrosion and provides stainless steel with its characteristic resistance to rust and staining. Additionally, stainless steel pipes may contain other elements such as nickel, molybdenum, and manganese, which enhance their mechanical properties and corrosion resistance. These alloying elements contribute to the overall strength, durability, and versatility of stainless steel pipes, making them suitable for various applications in industries such as construction, automotive, and manufacturing.
- Q:What is the difference between seamless and seamless annealed stainless steel pipes?
- The difference between seamless and seamless annealed stainless steel pipes lies in the manufacturing process and the resulting properties. Seamless stainless steel pipes are made through a hot or cold rolling process, without any seams or welded joints. This results in a smooth and continuous pipe with high corrosion resistance and strength. On the other hand, seamless annealed stainless steel pipes undergo an additional annealing process after the seamless manufacturing. Annealing involves heating the pipe to a specific temperature and then slowly cooling it, which improves the material's ductility, toughness, and overall structure. This makes seamless annealed stainless steel pipes more suitable for applications requiring higher pressure or temperature resistance, as well as for processes involving bending or forming the pipe.
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Seamless Stainless Steel Pipe S31803 China Factory
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 12000 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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