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: Are steel tubes and round steel in weight or length when purchased?
- A large amount of words is calculated by weight, less is usually calculated. According to the length between the length and quality of a material is usually a scaling. Steel belongs to the section, with the length of valuation, according to the classification of wall thickness and diameter; round steel belongs to building materials, mostly for the amount of weighing per ton of valuation, a small amount of more than according to the length multiplied by the conversion ratio of weight to that theory. But the latter is the valuation of tons of steel products between the uneven thickness, with uniform proportion will produce larger price difference, so the general price of different manufacturers are not the same, mostly depends on the quality, to a certain extent is to balance the diameter difference.
- Q: How are steel pipes used in the food processing industry?
- Steel pipes are commonly used in the food processing industry for various purposes such as transporting liquids, gases, and solids, as well as for conveying hot water, steam, and chemicals. These pipes are known for their durability, corrosion resistance, and ability to withstand high temperatures, making them ideal for applications where strict hygiene and safety standards are essential. Steel pipes are used in food processing plants for tasks like transferring ingredients, transporting processed products, and maintaining a sterile environment through steam cleaning and sanitization processes.
- Q: What are the different methods of pipe lining for steel pipes?
- There are several different methods of pipe lining for steel pipes, each with its own unique features and benefits. These methods include: 1. Spray lining: In this method, a specially formulated coating is sprayed onto the interior surface of the steel pipe. The coating adheres to the pipe and forms a protective barrier against corrosion and chemical damage. Spray lining is relatively quick and cost-effective, making it a popular choice for smaller diameter pipes. 2. Cured-in-place pipe lining (CIPP): CIPP involves inserting a flexible liner into the steel pipe and then curing it in place using steam or hot water. This method creates a seamless and durable lining that restores the structural integrity of the pipe. CIPP is commonly used for larger diameter pipes and can be installed without the need for excavation. 3. Slip lining: Slip lining involves inserting a slightly smaller diameter pipe into the existing steel pipe. The annular space between the two pipes is then grouted or filled with a cementitious material. This method is effective in rehabilitating pipes with minor defects or damages and can significantly increase the pipe's lifespan. 4. Fold-and-form lining: In this method, a flexible liner is inserted into the steel pipe and then expanded to the pipe's diameter using a mechanical or hydraulic process. The liner is then folded and formed to fit the contours of the pipe before being cured in place. Fold-and-form lining is ideal for pipes with irregular shapes or bends. 5. Coating lining: Coating lining involves applying a protective coating to the interior surface of the steel pipe. The coating can be sprayed, brushed, or rolled onto the pipe's surface and provides a barrier against corrosion and chemical damage. This method is commonly used for large diameter pipes or pipes in harsh environments. Each of these methods has its own advantages and disadvantages, and the choice of the lining method will depend on factors such as pipe diameter, condition, budget, and project requirements. It is important to consult with a professional pipe lining contractor to determine the most suitable method for a specific steel pipe rehabilitation project.
- Q: How are steel pipes installed underground?
- Steel pipes are installed underground through a process called trenchless installation or open trench excavation. In trenchless installation, a drilling machine creates a tunnel underground, and the steel pipes are then inserted into the tunnel using a technique called pipe jacking or horizontal directional drilling. In open trench excavation, a trench is dug, and the steel pipes are laid in the trench before being covered with backfill material.
- Q: What are the standard specifications for steel pipes?
- The standard specifications for steel pipes vary depending on the specific application and industry requirements. However, some common standard specifications for steel pipes include dimensions, material composition, strength, and testing procedures. These standards are set by organizations such as the American Society for Testing and Materials (ASTM), the International Organization for Standardization (ISO), and other national or international bodies. It is important to consult the appropriate standard specifications for specific project needs.
- Q: How are steel pipes measured and sized?
- Steel pipes are measured and sized based on their outer diameter (OD) and wall thickness. The OD is the measurement of the outer circumference of the pipe, while the wall thickness refers to the thickness of the pipe's walls. These two measurements are essential in determining the size of steel pipes, which are commonly categorized using nominal pipe size (NPS) or nominal diameter (DN). NPS is a North American standard, while DN is an international standard. The sizing process ensures uniformity and facilitates compatibility with fittings and other pipeline components.
- Q: How do you calculate the buoyancy of submerged steel pipes?
- In order to calculate the buoyancy of submerged steel pipes, one must take into account Archimedes' buoyancy principle. According to this principle, the force exerted on an object submerged in a fluid is equal to the weight of the fluid displaced by the object. To calculate the buoyant force, it is necessary to determine the volume of fluid displaced by the submerged steel pipe. This can be done by multiplying the cross-sectional area of the pipe by the length of the submerged portion. Next, it is important to ascertain the density of the fluid in which the steel pipe is submerged. This information can be obtained from the properties of the fluid or by referring to known values. Once the volume and density of the fluid have been determined, the weight of the fluid displaced by the submerged pipe can be calculated using the equation: weight = volume × density × acceleration due to gravity. Finally, the buoyant force can be calculated by multiplying the weight of the displaced fluid by the acceleration due to gravity. This will yield the upward force exerted on the submerged steel pipe by the fluid. When accurately calculating the buoyancy of submerged steel pipes, it is crucial to take into account additional factors, such as the weight of the pipe itself, any attached equipment or coatings, and the specific conditions of the fluid in which it is submerged.
- Q: What is the role of steel pipe manufacturers in sustainable development?
- The role of steel pipe manufacturers in sustainable development is to promote environmental responsibility and resource efficiency throughout the production process. They play a crucial role in reducing carbon emissions by adopting cleaner technologies, optimizing energy consumption, and implementing waste management strategies. Additionally, steel pipe manufacturers can contribute to sustainable development by prioritizing the use of recycled materials, supporting recycling initiatives, and ensuring their products have a long lifespan to minimize waste generation. By embracing sustainable practices, steel pipe manufacturers can help create a more sustainable future for the construction and infrastructure industries.
- Q: How do steel pipes handle thermal expansion?
- Steel pipes handle thermal expansion by expanding and contracting with changes in temperature. When the pipe is heated, it expands in length and diameter, and when it cools down, it contracts. To accommodate this expansion and contraction, steel pipes are usually installed with expansion joints or loops that allow them to flex and absorb the thermal expansion without causing damage or stress on the pipe or its connections. This helps to prevent leaks, buckling, or structural failures caused by the expansion and contraction of the steel pipe.
- Q: What is the difference between steel pipes and ductile iron pipes?
- Steel pipes and ductile iron pipes are both commonly used for various applications in the construction industry, but they differ in their composition and properties. Steel pipes are primarily made from an alloy of iron and carbon, with small amounts of other elements. They are known for their high tensile strength and durability, making them suitable for transporting fluids and gases under high pressure. Steel pipes are more resistant to corrosion than ductile iron pipes, and they can withstand extreme temperatures and environmental conditions. On the other hand, ductile iron pipes are made from an alloy of iron, carbon, and small amounts of other elements like silicon and magnesium. These pipes are characterized by their high strength, impact resistance, and flexibility. Ductile iron pipes are often used for water and sewage transportation due to their corrosion resistance and ability to withstand ground movement and heavy loads. In summary, steel pipes are known for their strength, durability, and corrosion resistance, while ductile iron pipes offer greater flexibility and impact resistance. The choice between the two depends on the specific application requirements and environmental conditions.
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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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