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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OKorder Financial Service
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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 hot rolled and cold drawn stainless steel pipes?
- The production of hot rolled stainless steel pipes involves heating a solid steel billet or ingot to a high temperature and then rolling it into the desired shape and size. This process yields a rougher surface finish and a larger grain structure, increasing the pipe's susceptibility to corrosion. Nevertheless, hot rolled pipes are generally more cost-effective and convenient for large-scale production. In contrast, cold drawn stainless steel pipes are crafted by pulling a solid steel billet or bar through a die at room temperature. This method results in a smoother surface finish and a smaller grain structure, enhancing the pipe's ability to resist corrosion. Cold drawn pipes are typically pricier and require more time and effort to manufacture, but they offer superior quality and performance for various applications. To summarize, the primary distinction between hot rolled and cold drawn stainless steel pipes lies in the manufacturing process and the resulting surface finish and grain structure. Hot rolled pipes are less expensive and easier to produce but may be more vulnerable to corrosion, whereas cold drawn pipes are more costly and time-consuming to manufacture but provide better corrosion resistance and overall quality.
- Q: How do you protect stainless steel pipes from internal corrosion?
- One effective way to protect stainless steel pipes from internal corrosion is by utilizing a corrosion inhibitor. Corrosion inhibitors are chemicals that can be added to the fluid flowing through the pipes to create a protective layer on the inner surface of the pipe. This layer acts as a barrier, preventing the corrosive agents in the fluid from coming into direct contact with the stainless steel. There are various types of corrosion inhibitors available, and the selection depends on the specific application and the fluid being transported. Some common corrosion inhibitors include organic inhibitors, which form a protective film on the pipe surface, and inorganic inhibitors, which react with the corrosive agents to form less harmful compounds. Another method to protect stainless steel pipes from internal corrosion is by using cathodic protection. Cathodic protection involves connecting the stainless steel pipe to a sacrificial anode made of a more reactive metal, such as zinc or aluminum. This creates a galvanic cell, where the anode corrodes instead of the stainless steel pipe. By sacrificing the anode, the pipe is effectively protected from internal corrosion. Regular maintenance and inspection are also crucial in preventing internal corrosion. It is essential to monitor the condition of the pipes, identify any signs of corrosion or damage, and promptly address any issues. Flushing the pipes with clean water or appropriate cleaning solutions can help remove any deposits or contaminants that could contribute to corrosion. Furthermore, maintaining proper fluid composition and pH levels is vital to prevent internal corrosion. In some cases, adjusting the fluid's pH or adding corrosion inhibitors specific to the fluid being transported can significantly reduce the risk of corrosion. Overall, a combination of corrosion inhibitors, cathodic protection, regular maintenance, and appropriate fluid management can effectively protect stainless steel pipes from internal corrosion, ensuring their longevity and optimal performance.
- Q: Can stainless steel pipes be used for wastewater applications?
- Yes, stainless steel pipes can be used for wastewater applications. Stainless steel is highly resistant to corrosion and can withstand the harsh chemicals and contaminants present in wastewater. It is also durable and has a long lifespan, making it a reliable choice for wastewater systems.
- Q: Can stainless steel pipes be used in the water treatment industry?
- Indeed, the water treatment industry can utilize stainless steel pipes. Due to its exceptional resistance to corrosion, stainless steel proves to be a fitting material for environments involved in water treatment and processing. It finds widespread application within the industry, encompassing pipelines, pumps, valves, and tanks. The strength and durability of stainless steel pipes are commendable, guaranteeing enduring performance even under severe circumstances. Moreover, stainless steel boasts hygienic properties and is effortless to clean, which renders it perfect for applications where upholding water purity is paramount. All in all, stainless steel pipes emerge as a dependable and cost-efficient alternative for the water treatment industry.
- Q: Can stainless steel pipes be used for architectural purposes?
- Yes, stainless steel pipes can be used for architectural purposes. Stainless steel is highly durable, corrosion-resistant, and aesthetically appealing, making it an ideal material for architectural projects such as building facades, handrails, staircases, and decorative fixtures. Its versatility and modern appearance make it a popular choice for both indoor and outdoor architectural designs.
- Q: Are stainless steel pipes suitable for brewery applications?
- Yes, stainless steel pipes are highly suitable for brewery applications. Stainless steel is a preferred material in the brewing industry due to its excellent corrosion resistance, durability, and hygienic properties. These pipes can withstand the harsh conditions of a brewery environment, including exposure to hot liquids and cleaning chemicals, without corroding or contaminating the beer. Stainless steel pipes also have a smooth surface, which helps prevent the buildup of bacteria and other contaminants, ensuring a high level of cleanliness and quality in the brewing process. Additionally, stainless steel is easy to clean and maintain, making it a practical choice for breweries. Overall, stainless steel pipes are a reliable and efficient option for brewery applications.
- Q: Are stainless steel pipes suitable for solar power systems?
- Yes, stainless steel pipes are suitable for solar power systems. Stainless steel is highly resistant to corrosion, making it an excellent choice for solar power systems that are exposed to outdoor elements. Additionally, stainless steel pipes have high thermal conductivity, which helps in efficiently transferring heat in solar water heating systems.
- Q: How do you calculate the flow rate of stainless steel pipes?
- There are two equations that can be used to calculate the flow rate of stainless steel pipes. These equations are the Hazen-Williams equation and the Darcy-Weisbach equation. The Hazen-Williams equation is commonly used in commercial and industrial applications for water flow, while the Darcy-Weisbach equation is more general and can be used for different fluids. To calculate the flow rate using the Hazen-Williams equation, you can use the formula Q = 0.849 * C * (D^2.63) * (h^0.54). In this equation, Q represents the flow rate in gallons per minute (GPM), C represents the Hazen-Williams coefficient (which depends on the pipe material and condition), D represents the inside diameter of the pipe in inches, and h represents the head loss or pressure drop in feet. For the Darcy-Weisbach equation, the flow rate can be calculated using the formula Q = (π/4) * (D^2) * V. In this equation, Q represents the flow rate in cubic meters per second (m³/s), D represents the inside diameter of the pipe in meters, and V represents the velocity of the fluid in meters per second (m/s). To determine the velocity (V), you can use the formula V = Q / ((π/4) * (D^2)). It is important to note that these equations provide theoretical estimations of the flow rate and other factors such as pipe roughness, fluid viscosity, and system pressure can also affect the actual flow rate. Therefore, it is recommended to consult engineering standards, industry guidelines, or work with a qualified engineer for accurate calculations.
- Q: How do stainless steel pipes compare to nickel alloy pipes?
- Stainless steel pipes and nickel alloy pipes are both widely used in various industries for their corrosion resistance properties, high strength, and durability. However, there are some key differences between these two materials that should be considered when comparing them. One of the primary differences lies in their composition. Stainless steel pipes are primarily made of iron and chromium, with the addition of other elements such as nickel and molybdenum to enhance their corrosion resistance. On the other hand, nickel alloy pipes are predominantly made of nickel, with the addition of other elements such as chromium, iron, and molybdenum. In terms of corrosion resistance, both stainless steel and nickel alloy pipes offer excellent protection against corrosion. However, nickel alloy pipes are known to provide superior resistance to a wider range of corrosive environments, including highly acidic and alkaline conditions. This makes nickel alloy pipes more suitable for applications where extreme corrosion resistance is required, such as in chemical processing plants. Another factor to consider is the mechanical strength of the pipes. Stainless steel pipes are known for their high strength, making them suitable for applications that require structural integrity and the ability to withstand high-pressure environments. Nickel alloy pipes, on the other hand, offer even greater strength and toughness, making them ideal for applications that involve high temperatures and extreme conditions, such as in the oil and gas industry. Cost is another aspect to consider when comparing stainless steel and nickel alloy pipes. Stainless steel pipes are generally more cost-effective and widely available compared to nickel alloy pipes. Nickel alloy pipes tend to be more expensive due to the higher cost of nickel and other alloying elements used in their production. Therefore, the choice between stainless steel and nickel alloy pipes often depends on the specific requirements of the application and the budget constraints. In conclusion, stainless steel pipes and nickel alloy pipes both offer excellent corrosion resistance and mechanical strength. While stainless steel pipes are more cost-effective and widely used in various applications, nickel alloy pipes provide superior corrosion resistance and strength in extreme conditions. Therefore, the choice between these two materials depends on the specific needs and requirements of the application at hand.
- Q: Can stainless steel pipes be used for petrochemical applications?
- Certainly, petrochemical applications can make use of stainless steel pipes. The utilization of stainless steel pipes proves advantageous due to their exceptional resistance to corrosion and high temperatures, which are prevalent in the handling and transportation of diverse corrosive and high-temperature substances during petrochemical processes. Stainless steel is renowned for its capability to endure aggressive chemicals, including acids and alkalis, while also demonstrating resistance to stress corrosion cracking. Furthermore, stainless steel pipes exhibit remarkable durability and possess a prolonged lifespan, rendering them well-suited for the challenging conditions encountered in petrochemical applications.
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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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