ASTM 201 API 5L Stainless Steel Welding Pipe
- Ref Price:
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- 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: Are stainless steel pipes resistant to stress corrosion cracking?
- In general, stainless steel pipes exhibit resistance to stress corrosion cracking. Stainless steel is a material known for its ability to resist corrosion and degradation, thanks to its high levels of chromium and nickel. The occurrence of stress corrosion cracking is typically triggered by a combination of tensile stress, a corrosive environment, and a susceptible material. Nevertheless, stainless steel demonstrates excellent resistance against stress corrosion cracking due to its composition and inherent properties. It can endure high levels of stress without experiencing significant degradation or cracking, making it a suitable choice for applications that necessitate durability and corrosion resistance.
- Q: How do you prevent rusting in stainless steel pipes?
- To prevent rusting in stainless steel pipes, there are several measures that can be taken: 1. Regular Cleaning: Regularly clean the stainless steel pipes using mild soap or detergent and warm water. This helps to remove any dirt, debris, or contaminants that can cause corrosion. 2. Avoid Abrasive Cleaners: Avoid using abrasive cleaners, steel wool, or harsh chemicals as they can scratch the surface of the stainless steel and compromise its protective layer. 3. Protect from Chlorides: Stainless steel pipes should be protected from exposure to chlorides, such as those found in saltwater or certain cleaning agents. If the pipes are installed in areas where these substances are present, it is important to apply protective coatings or use specialized stainless steel grades that are resistant to corrosion caused by chlorides. 4. Proper Ventilation: Ensure that the stainless steel pipes are properly ventilated to prevent the buildup of moisture, which can accelerate the rusting process. Adequate airflow helps to keep the pipes dry and reduces the risk of corrosion. 5. Regular Inspections: Regularly inspect the stainless steel pipes for signs of rust or corrosion. If any damage or rust spots are detected, they should be addressed promptly to prevent further deterioration. 6. Passivation: Passivation is a chemical treatment process that helps to enhance the corrosion resistance of stainless steel. It involves removing any contaminants from the surface and promoting the formation of a protective oxide layer. Passivation should be done by professionals who are experienced in handling stainless steel. 7. Cathodic Protection: In some cases, cathodic protection can be used to prevent rusting in stainless steel pipes. This involves using sacrificial anodes or impressed current systems to create an electrochemical reaction that protects the stainless steel from corrosion. By following these preventive measures, you can significantly reduce the risk of rusting in stainless steel pipes and ensure their longevity and durability.
- Q: Can stainless steel pipes be used for pharmaceutical cleanrooms?
- Yes, stainless steel pipes can be used for pharmaceutical cleanrooms. Stainless steel is a preferred material in pharmaceutical cleanrooms due to its excellent corrosion resistance, durability, and ease of cleaning. It meets the stringent requirements for clean and sterile environments and can withstand the harsh cleaning agents used in pharmaceutical facilities.
- Q: What wire is used for welding of 316 stainless steel line?
- Quality inspection of welding groove preparation, according to requirements of groove size, accuracy and surface quality stipulated in construction instruction and welding process instruction, groove quality including flatness, perpendicularity and cleanness.1, check the groove processing size (height, angle, edge and blunt edge, etc.) and accuracy isDoes it meet the relevant technical standards?.2, check the groove surface roughness and surface defects (cutting gap, crack,Layer and slag) if beyond the scope of the standard should be allowed to defect, repair treatment, such as surface roughness does not reach the standard, can use abrasive grinding.3. Check the surface cleaning quality of the groove. At least 200mm of the groove face and its sidesShould be clean within the scope, without burr, slag, rust, oil, film and paint and other harmful foreign bodies.4 、 nondestructive inspection of groove surface. For welding process documentation, specify the slopeMaterials such as CY-M steel, Fe-CY-N, high temperature steel and alloy steel shall be examined on the surface for nondestructive testing (such as coloring, etc.), and the defects such as cracks shall be removed.
- Q: How do you determine the size of a stainless steel pipe?
- The size of a stainless steel pipe is determined by measuring its outer diameter using a caliper or a tape measure.
- Q: What is the difference between 347 and 316 stainless steel pipes?
- The composition and intended use are what sets 347 and 316 stainless steel pipes apart. 347 stainless steel pipes have a higher percentage of niobium, which enhances their stability at high temperatures and resistance to sensitization. This makes them ideal for applications where the pipes will be exposed to elevated temperatures, such as in heat exchangers, furnace parts, and chemical processing equipment. The addition of niobium also improves their resistance to intergranular corrosion. On the other hand, 316 stainless steel pipes consist of molybdenum, which provides increased resistance to corrosion and pitting. This makes them suitable for applications involving exposure to harsh chemicals, saltwater, and other corrosive environments. They are commonly used in industries such as marine, pharmaceutical, and food processing. Both grades have excellent strength and corrosion resistance in terms of mechanical properties. However, 347 stainless steel is generally more expensive than 316 stainless steel due to its higher nickel content. Ultimately, the choice between 347 and 316 stainless steel pipes depends on the specific requirements of the application. If high-temperature stability and resistance to sensitization are crucial, 347 stainless steel pipes would be the preferred option. If the primary concern is corrosion resistance, particularly in harsh environments, 316 stainless steel pipes would be more suitable.
- Q: How do you prevent vibration in stainless steel pipes?
- There are several measures that can be taken to prevent vibration in stainless steel pipes. 1. Use proper pipe supports: The selection and installation of appropriate pipe supports are crucial in preventing vibration. Ensure that the supports are designed to provide adequate stability and rigidity to the pipe system. This will help to minimize any potential movement or vibration. 2. Dampen vibrations with isolators: Install vibration isolators at strategic points along the pipe system. These isolators are designed to absorb and dampen vibrations, thereby reducing the transmission of vibrations through the stainless steel pipes. 3. Proper pipe alignment: Ensure that the pipes are properly aligned during installation. Misalignment can lead to stress concentrations and increased vibration. Proper alignment will help to distribute the forces evenly and reduce vibration. 4. Reduce fluid velocity: High fluid velocities can cause turbulence and induce vibrations in the pipe system. By reducing the fluid velocity through the pipes, you can minimize the occurrence of vibrations. This can be achieved by adjusting the flow rate or by using flow control devices such as throttling valves. 5. Soundproofing measures: In some cases, vibrations can be caused by external factors such as nearby machinery or equipment. Implement soundproofing measures to reduce the noise and vibrations generated by these sources. This can include using noise-absorbing materials or installing barriers to block or redirect the vibrations. 6. Regular maintenance and inspection: Regularly inspect the pipe system for any signs of vibration or wear. Address any issues promptly to prevent further vibration problems. Additionally, ensure that the pipe system is properly maintained, including regular cleaning and lubrication of any moving parts. By implementing these measures, you can effectively prevent vibration in stainless steel pipes, ensuring the overall stability and integrity of the pipe system.
- Q: Can stainless steel pipes be used for semiconductor manufacturing?
- Yes, stainless steel pipes can be used for semiconductor manufacturing. Stainless steel is highly resistant to corrosion, offers high temperature resistance, and has excellent mechanical properties, making it suitable for various applications in semiconductor manufacturing, such as gas and chemical delivery systems, vacuum systems, and process cooling.
- Q: Why can't stainless steel be put together with carbon steel tube?
- Electrolyte: the contact area of two metals is covered with electrolyte or submerged. The iron in the carbon tube loses electrons to form ions into the solution, and the electrons on the surface of the stainless steel tubes are taken away by the corrosive agents in the electrolyte (such as oxygen in the air). Electrolytes become ionic channels.
- Q: What are stainless steel pipes?
- Stainless steel pipes are pipes made from a corrosion-resistant alloy known as stainless steel. They are commonly used in various industries such as construction, oil and gas, and plumbing due to their durability, strength, and resistance to rust and corrosion. Stainless steel pipes are known for their long lifespan, high temperature resistance, and ability to withstand harsh environmental conditions.
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ASTM 201 API 5L Stainless Steel Welding 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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