HFW STEEL PIPE ASTM A53 GR.B / ASTM A252 GR.2/ASTM A252 GR.3
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 10000 m.t./month
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Product Name | Longitudinally welded steel pipe / ERW Steel pipe / Carbon steel pipe/ HFW steel pipe | |
Size | OD | 4"-32"/114mm-813mm |
Thickness | 6.5mm-20mm | |
Length | 6m-23m | |
Steel Material | GR.B X42 X52 X56 L245 L290 L360 L415 S245 S290 S360 S390 S355JR S275 | |
Standard | API 5L PLS 1/ASTM A53/ASTM A36/ASTM A500/EN10219/SS400/SS440 | |
Usage | Oil Pipe, Casing Tube, Line Pipe and Fluid (Water, Gas) Transmission | |
Surface | Bared Black Painting, Anti-Corrosion Coating | |
Proctor | Plastic cap | |
Package | Bundles, Bulk | |
Inspection | With Hydraulic Testing, Ultrasonic testing or X-ray Test | |
Certificate | API and ISO9001;2000 | |
Date of Delivery | Less Than 15/20/25/30/40/50/60 Days According To The Quantity | |
Payment: | L/C or T/T | |
Port of Shipment | Xingang,China | |
- Q: What are the different methods of pipe lining for steel pipes?
- Pipe lining for steel pipes can be done using various methods, each with its own unique features and benefits. These methods include: 1. Spray lining: A specially formulated coating is sprayed onto the inside of the steel pipe, creating a protective barrier against corrosion and chemical damage. Spray lining is a popular choice for smaller pipes due to its cost-effectiveness and quick installation. 2. Cured-in-place pipe lining (CIPP): This method involves inserting a flexible liner into the steel pipe and then curing it in place using steam or hot water. CIPP restores the pipe's structural integrity and is commonly used for larger pipes without the need for excavation. 3. Slip lining: By inserting a slightly smaller diameter pipe into the existing steel pipe and filling the space between them with cementitious material, slip lining rehabilitates pipes with minor defects and extends their lifespan. 4. Fold-and-form lining: A flexible liner is inserted into the steel pipe and expanded to its diameter using mechanical or hydraulic processes. The liner is then folded and formed to fit the pipe's contours before being cured in place. Fold-and-form lining is suitable for pipes with irregular shapes or bends. 5. Coating lining: A protective coating is applied to the inside surface of the steel pipe using spraying, brushing, or rolling methods. This coating acts as a barrier against corrosion and chemical damage and is commonly used for large pipes or those in harsh environments. Each method has its own advantages and disadvantages, and the selection will depend on factors such as pipe diameter, condition, budget, and project requirements. Consulting with a professional pipe lining contractor is crucial to determine the most suitable method for a specific steel pipe rehabilitation project.
- Q: How are steel pipes used in the construction of underground parking structures?
- Steel pipes are used in the construction of underground parking structures for various purposes, such as providing structural support, drainage, and ventilation. They are commonly used as piles or caissons to support the weight of the structure and prevent it from sinking into the ground. Additionally, steel pipes are utilized for the installation of drainage systems to prevent water accumulation and ensure the structural integrity of the parking structure. They are also employed for ventilation purposes, allowing fresh air to circulate and remove any potentially hazardous gases. Overall, steel pipes are essential components in the construction of underground parking structures, ensuring their stability, safety, and functionality.
- Q: What are the common protective coatings used on the inner surface of steel pipes?
- The common protective coatings used on the inner surface of steel pipes include epoxy, polyurethane, and cement mortar coatings. These coatings provide corrosion resistance, prevent the formation of scales, and improve the durability and lifespan of the pipes.
- Q: What's the difference between straight steel pipe and seamless steel pipe?
- Observe whether there is weld seam. Welded pipe without treatment, there are obvious weld, there are bulges, like scars. A better point will shave off the weld, but there is a distinct difference between the eye and the eye. Also a small number of pipe will be processed after cold rolling, surface roughness and accuracy are relatively high, may be counterfeit seamless pipe sales. Careful observation will still show that the pipe wall will have a continuous spiral, metal luster slightly brighter, that is, the original welding seam, metallographic structure and other parts of the difference. To tell the truth, the layman would have to observe that it might be a little difficult.
- Q: What are the common applications of steel pipes in construction?
- Steel pipes are commonly used in construction for various applications such as structural supports, plumbing systems, gas and water distribution, and underground utilities. They provide strength, durability, and resistance to corrosion, making them suitable for both above-ground and underground installations.
- Q: What is the difference between steel pipe and tubing?
- The main difference between steel pipe and tubing lies in their shape and size. Steel pipe is typically cylindrical in shape and has a larger diameter compared to tubing, which is generally produced in a variety of shapes, including round, square, and rectangular, with smaller diameters. Additionally, steel pipe is commonly used for transporting fluids and gases, while tubing is often utilized for structural applications or as components in mechanical systems.
- Q: What are the different grades of steel pipes?
- The different grades of steel pipes vary based on their chemical composition and physical properties. Some commonly used grades include carbon steel pipes (grades A, B, and C), alloy steel pipes (grades P1, P5, P9, and P11), stainless steel pipes (grades 304, 316, and 321), and duplex steel pipes (grades 2205 and 2507). Each grade offers specific characteristics suited for different applications and industries.
- Q: How do you prevent corrosion in steel pipes?
- One effective way to prevent corrosion in steel pipes is by applying a protective coating, such as paint or epoxy, to the surface of the pipes. This barrier creates a physical barrier between the pipe and the surrounding environment, preventing moisture and corrosive agents from coming into direct contact with the steel. Additionally, regular inspection and maintenance of the pipes, including cleaning and repairing any damaged coating, can help identify and address potential issues before they lead to corrosion.
- Q: How do steel pipes resist corrosion?
- Steel pipes resist corrosion through a process called passivation, where a protective layer of chromium oxide forms on the surface of the steel, preventing direct contact with corrosive elements and slowing down the oxidation process. Additionally, steel pipes can be coated with protective layers such as zinc or epoxy to provide an extra barrier against corrosion.
- Q: How are steel pipes used in automotive manufacturing?
- Steel pipes are commonly used in automotive manufacturing for various applications such as exhaust systems, fuel lines, and structural components. They provide durability, strength, and corrosion resistance, making them suitable for withstanding the harsh conditions and high temperatures associated with automotive operations. Additionally, steel pipes offer flexibility in design and can be easily formed and manipulated to meet specific requirements, ensuring efficient and reliable performance in vehicles.
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HFW STEEL PIPE ASTM A53 GR.B / ASTM A252 GR.2/ASTM A252 GR.3
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 10000 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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