• HFW STEEL PIPE  ASTM A53 GR.B / ASTM A252 GR.2/ASTM A252 GR.3 System 1
  • HFW STEEL PIPE  ASTM A53 GR.B / ASTM A252 GR.2/ASTM A252 GR.3 System 2
HFW STEEL PIPE  ASTM A53 GR.B / ASTM A252 GR.2/ASTM A252 GR.3

HFW STEEL PIPE ASTM A53 GR.B / ASTM A252 GR.2/ASTM A252 GR.3

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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-23

    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 common methods for repairing steel pipes?
Depending on the nature and extent of the damage, there are several common methods available for repairing steel pipes. One method frequently used is welding. This technique involves melting the damaged area and fusing it with a new piece of steel. Welding is typically employed for small cracks or holes in the pipe. Different welding techniques, such as shielded metal arc welding (SMAW), gas metal arc welding (GMAW), or tungsten inert gas (TIG) welding, can be utilized. Another option is pipe wrapping or bandaging. This method entails wrapping a layer of adhesive tape or resin-soaked fiberglass around the damaged section of the pipe. It is suitable for addressing small leaks or corrosion spots and serves as a temporary solution until a more permanent fix can be implemented. If the damage is extensive or the pipe suffers severe corrosion, pipe lining or relining may be necessary. This involves inserting a new pipe liner inside the existing one, effectively creating a new pipe within the old one. Various materials, such as epoxy, polyethylene, or cured-in-place pipe (CIPP), can be used for this method. Pipe lining is commonly employed for larger diameter pipes or when replacement is not feasible. In some instances, minor leaks or cracks can be repaired using pipe clamps or sleeves. These devices are designed to be clamped around the damaged section and can provide either a temporary or permanent solution, depending on the severity of the damage. Ultimately, the choice of repair method depends on factors such as the extent of the damage, accessibility of the damaged area, budget constraints, and the required long-term durability. It is advisable to consult with a professional pipe repair specialist to assess the specific situation and determine the most suitable method for repairing steel pipes.
Q:Can steel pipes be used for scaffolding and support structures?
Indeed, scaffolding and support structures can make use of steel pipes. Due to their robustness, longevity, and ability to bear substantial loads, steel pipes are commonly employed in the construction industry. They establish a steady and secure framework for scaffolding and support structures, guaranteeing the safety of workers and the stability of the construction undertaking. Moreover, steel pipes possess versatility, enabling convenient assembly and disassembly, rendering them a superb option for temporary structures such as scaffolding. Furthermore, steel pipes exhibit resistance to corrosion, rendering them appropriate for outdoor applications and ensuring the enduring existence of the scaffolding and support structures.
Q:How do steel pipes compare to other types of piping materials?
Steel pipes are widely considered to be one of the most durable and strong types of piping materials available. They offer superior strength, resistance to corrosion, and can withstand high pressure and extreme temperatures. Compared to other materials such as PVC or copper, steel pipes have a longer lifespan and are more suitable for heavy-duty applications. Additionally, steel pipes are highly recyclable, making them an environmentally friendly choice.
Q:Are steel pipes suitable for offshore drilling platforms?
Steel pipes have been widely used in offshore drilling platforms because of their strength, durability, and resistance to corrosion. These platforms operate in harsh marine environments, where they are exposed to saltwater, extreme pressure, and temperature changes. Steel pipes are capable of enduring these conditions and serving as a reliable and long-lasting solution for transporting fluids, such as oil and gas, from the seabed to the surface. Moreover, the ability to weld steel pipes together facilitates their easy installation and maintenance on offshore drilling platforms. In conclusion, steel pipes have proven to be an appropriate choice for offshore drilling platforms due to their robustness and ability to withstand the challenging conditions of the marine environment.
Q:Can steel pipes be used for conveying hydraulic fluids?
Indeed, hydraulic fluids can indeed be conveyed using steel pipes. The reason behind this lies in the fact that steel pipes possess remarkable tensile strength and are highly resistant to intense pressure, rendering them ideal for hydraulic purposes. They are capable of enduring the frequently encountered high pressures and temperature fluctuations within hydraulic systems. Moreover, steel pipes boast longevity and durability, guaranteeing dependable and efficient fluid transmission in hydraulic systems. Nevertheless, it is crucial to verify the compatibility between the steel pipes employed and the particular hydraulic fluid being conveyed, in order to prevent corrosion or deterioration of the pipe material.
Q:How are steel pipes used in seaport infrastructure?
Steel pipes are commonly used in seaport infrastructure for various purposes such as constructing piers, wharfs, and docks. They are used for the foundation of these structures, providing stability and strength. Steel pipes are also used in the construction of underwater pipelines for transporting oil, gas, and other fluids. Additionally, they are utilized in the fabrication of fences, barriers, and railings to ensure safety and security within the seaport area.
Q:How are steel pipes used in the manufacturing of sewage treatment plants?
Steel pipes are commonly used in the manufacturing of sewage treatment plants primarily for their durability, strength, and resistance to corrosion. These pipes are utilized for various purposes within the treatment process, including transporting sewage and wastewater between different treatment units, carrying chemicals for disinfection or neutralization, and providing structural support for the plant's infrastructure.
Q:Can steel pipes be used for conveying food and beverages?
Steel pipes can be used for conveying food and beverages, but certain precautions need to be taken to ensure their safety and suitability for this purpose. Firstly, it is important to choose food-grade stainless steel pipes that are specifically designed for handling food and beverage products. These pipes are made from high-quality stainless steel that is resistant to corrosion and does not leach harmful substances into the food or beverage. Secondly, the pipes should be properly cleaned and sanitized before and after each use to maintain hygiene standards. Regular cleaning and maintenance will prevent the accumulation of bacteria or contaminants that could potentially contaminate the food or beverage being transported. Additionally, it is crucial to consider the compatibility of the food or beverage with the steel pipes. Certain acidic or corrosive substances may react with the steel, causing contamination or compromising the integrity of the pipes. In such cases, alternative materials like food-grade plastic or rubber may be more suitable. Overall, steel pipes can be used for conveying food and beverages, but it is essential to ensure the use of food-grade stainless steel pipes, proper cleaning and sanitization, and compatibility with the specific food or beverage being transported. Following these guidelines will help maintain the safety and quality of the food or beverage during transportation.
Q:Is there any difference between thermal expansion seamless steel pipe and seamless steel pipe?
Seamless tubes are generally produced on continuous tube mills, also known as automatic rolling mills. The round steel is cut into the required length, centering on the end face of the pipe blank and then sent to the heating furnace to punch on the piercer. At the same time, the hole rotates and advances continuously. Under the action of the roller and the plug, the inner cavity of the pipe blank is gradually formed, and the cavity is called the capillary. Sent to the automatic tube rolling mill on rolling. Finally, the thickness of the whole machine is the same, and the diameter of the sizing machine is determined to meet the specifications.
Q:How do you calculate the maximum allowable deflection for steel pipes?
To calculate the maximum allowable deflection for steel pipes, you need to consider various factors such as the pipe diameter, material properties, support conditions, and the desired level of deflection. The maximum allowable deflection is typically determined based on industry standards and codes. One commonly used method for calculating the maximum allowable deflection is based on the pipe's span-to-diameter ratio (L/D ratio). The L/D ratio is the ratio of the pipe's span (distance between supports) to its diameter. Several industry codes provide guidelines on the maximum allowable deflection based on the L/D ratio. For example, the American Society of Mechanical Engineers (ASME) B31.1 Power Piping Code suggests that for carbon steel pipes, the maximum allowable deflection should not exceed 3% of the pipe's span for an L/D ratio of 100 or less. However, for higher L/D ratios, the deflection limit decreases, ensuring the pipe's stability and structural integrity. To calculate the maximum allowable deflection using the L/D ratio method, you would first determine the L/D ratio based on the span and diameter of the pipe. Then, referring to the applicable code or standard, you can find the corresponding maximum allowable deflection limit. It is important to note that other factors such as the pipe material's yield strength, wall thickness, and the type of loading (e.g., dead load, live load) also influence the maximum allowable deflection. Therefore, it is crucial to consult the relevant industry standards, codes, and engineering principles to accurately calculate the maximum allowable deflection for steel pipes.

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