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:Can stainless steel pipes be used for heat exchangers?
- Indeed, heat exchangers can make use of stainless steel pipes. The reason behind the popularity of stainless steel for heat exchangers lies in its remarkable resistance to corrosion, ability to withstand high temperatures, and durability. Its capability to endure variations in pressure and temperature renders it appropriate for diverse heat exchange applications. Moreover, stainless steel pipes exhibit commendable thermal conductivity, enabling efficient heat transfer. Moreover, stainless steel proves to be a dependable and long-lasting choice for heat exchangers in numerous industries like chemical, pharmaceutical, food processing, and HVAC, owing to its ease of cleaning and maintenance.
- Q:What is the pressure rating of stainless steel pipes?
- The pressure rating of stainless steel pipes can vary depending on several factors such as the grade of stainless steel, the wall thickness of the pipe, and the diameter of the pipe. Generally, stainless steel pipes have high pressure ratings due to the strength and corrosion resistance of the material. However, it is essential to consult the relevant standards and specifications to determine the exact pressure rating for a specific stainless steel pipe. These standards, such as ASME B31.3 or ASTM A312, provide guidelines and calculations for determining the maximum allowable working pressure (MAWP) based on the aforementioned factors. It is crucial to ensure that the pressure rating of the stainless steel pipes is appropriate for the intended application to maintain safety and prevent any potential failures or leaks.
- Q:Can stainless steel pipes be insulated with polyphthalamide?
- Polyphthalamide cannot be directly used to insulate stainless steel pipes. Usually, polyphthalamide is utilized as a high-performance thermoplastic for injection molding applications, rather than as insulation for pipes. For insulating stainless steel pipes, commonly used materials include fiberglass, mineral wool, and foam insulation. These materials are designed to provide thermal insulation, prevent heat transfer, and offer protection against corrosion and condensation. If there is a need to insulate stainless steel pipes, it is advisable to choose a suitable insulation material specifically designed for pipe insulation, rather than attempting to use polyphthalamide, which is not commonly used for this purpose.
- Q:Are stainless steel pipes suitable for pulp and paper mills?
- Yes, stainless steel pipes are suitable for pulp and paper mills. Stainless steel pipes offer several advantages that make them ideal for use in this industry. Firstly, stainless steel is highly resistant to corrosion and can withstand harsh chemicals and high temperatures commonly found in pulp and paper mills. This resistance to corrosion ensures that the pipes will have a longer lifespan and require less maintenance, reducing downtime and costs associated with repairs or replacements. Additionally, stainless steel pipes are also known for their strength and durability. They can handle high-pressure applications, ensuring a reliable and efficient flow of materials throughout the mill. This is particularly important in pulp and paper mills where large volumes of water, chemicals, and pulp need to be transported. Furthermore, stainless steel pipes are hygienic and easy to clean, making them suitable for applications in the pulp and paper industry that require strict cleanliness standards. The smooth surface of stainless steel pipes also reduces the risk of contamination and ensures a smooth flow of materials, preventing blockages or clogs that could disrupt production. In summary, stainless steel pipes are indeed suitable for pulp and paper mills due to their corrosion resistance, durability, strength, and ease of cleaning. They provide a reliable and efficient solution for transporting materials, contributing to the smooth operation of the mill and minimizing maintenance requirements.
- Q:Are stainless steel pipes suitable for food processing industries?
- Indeed, stainless steel pipes prove to be an impeccable choice for food processing industries. The impeccable corrosion resistance, durability, and hygienic attributes of stainless steel render it the preferred material in these sectors. Remarkably, stainless steel pipes exhibit no reactivity with food or any propensity to alter its flavor, while effectively resisting staining, rusting, and chemical harm. Hence, they emerge as an ideal medium for the transportation of diverse food products, encompassing liquids, gases, and solids. Furthermore, the effortless cleaning and maintenance of stainless steel pipes mitigate the risk of contamination and guarantee the safety of food.
- Q:How do stainless steel pipes compare to copper nickel pipes?
- Stainless steel pipes and copper nickel pipes have different properties and are suitable for different applications. Stainless steel pipes are highly resistant to corrosion, making them ideal for applications where exposure to moisture or chemicals is a concern. Copper nickel pipes, on the other hand, offer excellent resistance to seawater corrosion, making them commonly used in marine environments. Additionally, copper nickel pipes have superior thermal conductivity compared to stainless steel pipes. Ultimately, the choice between stainless steel and copper nickel pipes depends on the specific requirements and conditions of the intended application.
- Q:How do stainless steel pipes compare to fiberglass-reinforced pipes?
- Stainless steel pipes and fiberglass-reinforced pipes are both popular choices for various applications, but 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, temperature, and corrosion, making them suitable for industrial and heavy-duty applications such as oil and gas, chemical processing, and plumbing systems. Stainless steel pipes are also non-combustible and have a long lifespan, which reduces the need for frequent replacements. On the other hand, fiberglass-reinforced pipes (FRP) offer unique advantages in certain situations. Fiberglass-reinforced pipes are lightweight and have excellent resistance to chemicals, making them ideal for applications in corrosive environments like wastewater treatment plants, desalination facilities, and chemical processing plants. Additionally, FRP pipes have better insulating properties compared to stainless steel pipes, which can be beneficial when thermal insulation is required. Cost-wise, stainless steel pipes are generally more expensive than fiberglass-reinforced pipes. However, it's important to consider the specific requirements of the project and the expected lifespan of the pipes when evaluating the overall cost-effectiveness. Ultimately, the choice between stainless steel pipes and fiberglass-reinforced pipes depends on the specific needs of the application. If durability, strength, and resistance to high pressure and temperature are the primary concerns, stainless steel pipes are the preferred option. On the other hand, if weight, corrosion resistance, and insulation properties are more important, fiberglass-reinforced pipes may be the better choice.
- Q:Can stainless steel pipes be used for air conditioning systems?
- Yes, stainless steel pipes can be used for air conditioning systems. Stainless steel is known for its corrosion resistance, durability, and ability to handle high temperatures, making it a suitable material for air conditioning systems. It helps maintain the quality of air and prevents contamination due to its non-reactive nature. Additionally, stainless steel pipes offer excellent mechanical strength and are resistant to damage caused by external factors such as moisture or chemicals.
- Q:How do you prevent galvanic corrosion in stainless steel pipes?
- To prevent galvanic corrosion in stainless steel pipes, one can take several measures: 1. Ensure compatibility of materials: It is crucial to use compatible materials near stainless steel pipes to avoid galvanic corrosion. Avoid direct contact between stainless steel pipes and dissimilar metals like carbon steel, copper, or aluminum. 2. Insulate dissimilar metals: If it is necessary to have dissimilar metals in close proximity to stainless steel pipes, one can use electrical insulation. By electrically isolating the metals, the flow of electric current and subsequent galvanic corrosion can be minimized. 3. Apply protective coatings: Protective coatings like paint or epoxy can be applied to the external surface of stainless steel pipes. These coatings act as a barrier against galvanic corrosion by preventing direct contact between stainless steel and other metals that may cause galvanic reactions. 4. Use dielectric unions: When connecting stainless steel pipes to dissimilar metals, dielectric unions can be used to separate the metals and prevent galvanic corrosion. These unions incorporate insulating materials such as plastic or rubber to avoid direct contact between the metals. 5. Implement cathodic protection: Cathodic protection is an effective method to prevent galvanic corrosion in stainless steel pipes. By introducing a sacrificial anode like zinc or magnesium into the system, the anode corrodes instead of the stainless steel. Periodic replacement of the sacrificial anode ensures continuous protection. 6. Install corrosion-resistant alloys: If the application allows, using corrosion-resistant alloys like duplex stainless steel or titanium can provide enhanced protection against galvanic corrosion. These alloys have better resistance to galvanic reactions and are less prone to corrosion in various environments. Overall, a combination of these preventive measures can significantly reduce the risk of galvanic corrosion in stainless steel pipes, ensuring their longevity and performance. It is important to assess the specific application and environment to determine the most suitable preventive measures to be implemented.
- Q:What are the temperature limitations of stainless steel pipes?
- The temperature limitations of stainless steel pipes typically depend on the grade of stainless steel being used. Generally, stainless steel pipes can withstand high temperatures, with some grades capable of operating at temperatures up to 1500°F (815°C). However, prolonged exposure to extremely high temperatures can cause stainless steel to lose its strength and corrosion resistance. It is important to consult the specific grade and manufacturer's recommendations to determine the temperature limitations for a particular stainless steel pipe.
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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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