High Quanlity Stainless Steel Welded Pipe
- 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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1、Structure of Welded Steel Tube:
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.Welded Steel Tube is formed by drawing a solid billet over a piercing rod to create the hollow shell. 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 welded pipe and professioanl service.
2、Main Features of the Welded Steel Tube:
• High manufacturing accuracy
• The higher strength
• The small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Satisfy price
3、Welded Steel Tube 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) 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.
4、Packaging & Delivery
Packaging Details: | seaworthy package,bundles wrapped with strong steel strip |
Delivery Detail: | 15-30days after received 30%TT |
5、FAQ of Welded Steel Tube:
①How is the quality of your products?
Our products are strictly in accordance with international and domestic standard. We test on every pipe before delivery. Any quality certification or testing report you want to see, please tell us.
Guaranteed: If products’ quality is not in accordance with description as we provide or the promise before you place order, we promise 100% refund.
②How about the price?
Yes, we are factory and be capable of offering you the lowest price. One of our policy is that “ to save time and be absolutely honest with our business relationship, we quote as low as possible for every client, and discount can be given according to the quantity”, if you are interested in bargain and dissatisfy our factory price, just don’t waste your time. Our quotation is professional.
③Why should you choose us?
Choice happens because of our quality and price. Additionally, we can also offer professional products inquiry, products knowledge train (for agents), fast goods delivery, outstanding 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 OK.
6、 Welded Steel Tube Images：
- Q: What is the difference between bright annealed and annealed pickled stainless steel pipes?
- Bright annealed and annealed pickled stainless steel pipes differ in their surface finish and treatment processes. Bright annealed stainless steel pipes undergo a heat treatment known as annealing in a controlled atmosphere to eliminate internal stresses and improve the material's ductility. This process also results in a bright and shiny surface finish, making the pipes suitable for applications that require an aesthetically pleasing appearance, such as decorative or architectural purposes. On the other hand, annealed pickled stainless steel pipes undergo a two-step treatment process. First, the pipes are annealed to remove any stresses and improve their mechanical properties. Then, they undergo a pickling process where the surface is chemically treated to remove scale, oxides, and other impurities. This treatment leaves the pipes with a dull and rough surface finish, which is often desired for applications that require subsequent coatings, such as painting or galvanizing. In summary, the main difference between bright annealed and annealed pickled stainless steel pipes lies in their surface finish. Bright annealed pipes have a bright and shiny appearance, while annealed pickled pipes have a dull and rough surface finish due to the pickling process. The choice between the two types depends on the specific requirements of the intended application.
- Q: What are the common shapes of stainless steel pipes?
- There are several common shapes of stainless steel pipes that are widely used in various industries. These shapes include round pipes, square pipes, rectangular pipes, and oval pipes. Round pipes are one of the most common shapes and are used in a wide range of applications. They are typically used for transporting fluids, gases, and other materials. Round pipes are also suitable for structural applications such as handrails, scaffolding, and support beams. Square pipes have a square cross-section and are often used in construction projects, architectural designs, and furniture manufacturing. They provide a clean and modern look and are often used for framing structures, manufacturing shelves, and creating decorative elements. Rectangular pipes have a rectangular cross-section and are commonly used in construction, engineering, and manufacturing industries. They are often used for building frameworks, manufacturing gates, fences, and various structural components. Oval pipes have an elliptical or oval shape and are used in applications where aesthetics play a significant role. They are commonly used in architectural designs, automotive industry, and decorative applications. Overall, the choice of shape for stainless steel pipes depends on the specific requirements of the application and the desired aesthetics. Each shape has its own advantages and is selected based on factors such as strength, durability, ease of fabrication, and overall design requirements.
- Q: Are stainless steel pipes resistant to hydrogen embrittlement?
- Yes, stainless steel pipes are generally resistant to hydrogen embrittlement. This is due to their high corrosion resistance and the presence of alloying elements that help mitigate the effects of hydrogen on the material's mechanical properties.
- Q: Can stainless steel pipes be hydrotested?
- Stainless steel pipes, indeed, have the capability to undergo hydrotesting, a widely employed technique for assessing the pipes' strength and integrity. This procedure encompasses the utilization of water or a compatible liquid to fill the pipes and then exerting pressure on them to identify any leaks or deficiencies. The utilization of stainless steel pipes is prevalent across multiple industries owing to their exceptional resistance to corrosion and durability. Consequently, hydrotesting is conducted on these pipes to guarantee their dependability and efficiency. Nevertheless, it is imperative to adhere to the relevant safety protocols and procedures when executing hydrotesting on stainless steel pipes to avert any potential harm or mishaps.
- Q: What are the advantages of using stainless steel pipes in the oil and gas industry?
- Using stainless steel pipes in the oil and gas industry offers several advantages. Firstly, their corrosion resistance makes them ideal for transporting oil and gas, as they can withstand extreme temperatures, harsh chemicals, and corrosive environments without the need for costly repairs or replacements. Secondly, stainless steel pipes have high tensile strength, allowing them to handle heavy loads and high-pressure environments, making them suitable for long-distance transportation. Additionally, their non-porous and smooth surface prevents bacterial growth and contamination, ensuring the purity and quality of the transported fluids. Furthermore, stainless steel pipes can withstand high temperatures without deformation or degradation, making them suitable for the extraction, refining, and transportation processes. Their flexibility allows for easy customization and installation, reducing the need for additional connectors or fittings. Moreover, stainless steel pipes have a long lifespan and require minimal maintenance, reducing downtime and costs in the industry. Lastly, stainless steel is highly recyclable, making it an environmentally friendly choice. In conclusion, the numerous advantages of using stainless steel pipes make them a reliable and efficient option for transporting oil and gas, ensuring the safety and integrity of the operations.
- Q: What is the difference between duplex and super duplex stainless steel pipes?
- Duplex and super duplex stainless steel pipes are both variations of stainless steel that offer enhanced corrosion resistance and superior strength compared to traditional stainless steel pipes. However, there are some key differences between the two. Duplex stainless steel pipes are made up of a mixture of austenite and ferrite phases, with around equal amounts of each. This balanced composition provides excellent resistance to stress corrosion cracking, pitting, and crevice corrosion. Duplex stainless steel pipes have a higher strength compared to austenitic stainless steels, making them suitable for applications that require higher mechanical strength. On the other hand, super duplex stainless steel pipes have an even higher content of alloying elements such as chromium, molybdenum, and nitrogen. This results in a microstructure with a higher proportion of ferrite phase, further enhancing the material's corrosion resistance and strength. Super duplex stainless steel pipes are particularly resistant to chlorides, making them ideal for applications exposed to aggressive environments such as seawater, chemical processing, and oil and gas industries. In terms of mechanical properties, super duplex stainless steel pipes typically have a higher tensile strength and yield strength compared to duplex stainless steel pipes. This increased strength allows super duplex stainless steel pipes to withstand higher pressures and temperatures. Both duplex and super duplex stainless steel pipes offer excellent corrosion resistance, but the super duplex variant provides superior resistance to a wider range of corrosive environments. However, it is important to note that super duplex stainless steel pipes are more expensive than duplex stainless steel pipes due to their higher alloy content. Ultimately, the choice between duplex and super duplex stainless steel pipes depends on the specific application requirements, such as the severity of the corrosive environment, mechanical strength needed, and budget considerations.
- Q: Can stainless steel pipes be used for solar thermal systems?
- Indeed, solar thermal systems can utilize stainless steel pipes. Because of their ability to resist corrosion, endure high temperatures, and exhibit durability, stainless steel pipes are commonly opted for as piping in solar thermal systems. These systems harness the sun's heat to produce hot water or offer space heating, and stainless steel pipes are capable of withstanding the immense pressures and elevated temperatures inherent in such systems. Furthermore, the exceptional longevity of stainless steel pipes renders them a dependable choice for solar thermal applications.
- Q: Can stainless steel pipes be chrome plated?
- Yes, stainless steel pipes can be chrome plated. Chrome plating is a process that involves electroplating a thin layer of chromium onto the surface of the stainless steel pipe. This can give the pipe a shiny and reflective appearance, as well as provide added protection against corrosion. However, it is important to note that the stainless steel pipe must be properly prepared and cleaned before the chrome plating process can be carried out. Additionally, the chrome plating process should be performed by a professional or a specialized company with experience in chrome plating.
- Q: Can stainless steel pipes be coated with fusion bonded epoxy?
- Yes, stainless steel pipes can be coated with fusion bonded epoxy. This coating provides excellent corrosion resistance and improves the durability of the stainless steel pipes.
- Q: What are the cost considerations for stainless steel pipes?
- The cost considerations for stainless steel pipes include the initial purchase price, installation costs, maintenance expenses, and potential long-term savings due to their durability and corrosion resistance. Additionally, factors such as the grade, size, and quantity of pipes needed and any additional fabrication or customization requirements can also impact the overall cost.
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High Quanlity Stainless Steel Welded Pipe
- 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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