LSAW SSAW CARBON STEEL PIPE ASTM API PSL1 PSL2 PIPE LINE 18''

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1 m.t.

Supply Capability:: 3000 m.t./month

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Packaging & Delivery

Packaging Detail:	Normal exporting packing,in container or bulk vessel or as per clients' request
Delivery Detail:	2 months after confimed contract

Specifications

Large Diameter API 5L X70 PSL2 LSAW Steel Pipe
Grade: X42, X46, X50, X52, X60, B, C
OD: 1.5"-28"
WT: SCH10-SCH160

Large Diameter API 5L X70 PSL2 LSAW Steel Pipe

Specifications:

u Standard: API 5L

u Grade: B, C, X42, X46, X50, X52, X56, X60, X65, X70, X80

u OD: 1.5"-28"

u WT: SCH10-SCH160

u Length: 5-12m

u Ends Finish: plain end, bevel end, grooved end

u Surface Treatment: bare, black varnished, oiled finish, red color, anti-corrosion, 3PE, FBE or epoxy coating

u Technique: hot rolled or cold drawn

u Application: api 5l steel pipe for conveying oil, water, gas

u Invoicing: based on theoretical weight or actual weight

u Payment Terms: L/C at sight, T/T or Western Union

u Trade Terms: FOB, CFR, CIF

u Certification: ABS manufacturing assessment, ABS design assessment, API 5CT, API 5L, DNV manufacturer certificate, ISO9001 quality management system certificate, ISO14001 environment management system certificate, GB/T28001 occupational health and safety management system certificate, A1 class manufacturing license of special equipment certificate, CCS, GL, LR, SGS, TüV, PDE

Q:Can steel pipes be used for water supply networks?: Yes, steel pipes can be used for water supply networks. Steel pipes are commonly used in water supply systems due to their durability, strength, and resistance to corrosion. They are able to withstand high pressure and can safely transport water over long distances. Additionally, steel pipes are highly versatile and can be easily connected, making them suitable for various water supply network applications.

Q:What are the different sizes of steel pipes available?: Steel pipes are available in a wide range of sizes, varying from small diameter pipes used for plumbing applications to large diameter pipes used for industrial purposes. The sizes typically range from 1/8 inch to 72 inches in diameter, with various wall thickness options.

Q:Can steel pipes be used for the construction of high-rise buildings?: Yes, steel pipes can be used for the construction of high-rise buildings. Steel pipes are commonly used in the construction industry due to their strength, durability, and ability to withstand high pressure and heavy loads. They are often used in the structural framework of high-rise buildings to provide structural support and stability. Additionally, steel pipes can be easily fabricated and installed, making them a suitable choice for constructing tall and complex structures.

Q:What is the cost of steel pipes compared to other piping materials?: The cost of steel pipes can vary depending on factors such as size, thickness, and grade. However, generally speaking, steel pipes tend to be more expensive than other piping materials such as PVC or copper. This is due to the durability, strength, and longevity of steel pipes, making them a preferred choice for various industrial and construction applications.

Q:How do you calculate the pipe volume flow rate for steel pipes?: To calculate the volume flow rate of steel pipes, you need to consider the pipe's diameter and fluid velocity. The formula used for this calculation is Q = A * V, where Q represents the volume flow rate, A is the cross-sectional area of the pipe, and V is the fluid velocity. To start, you need to determine the cross-sectional area of the pipe. For a circular pipe, you can use the formula A = π * r², where A is the area and r is the radius of the pipe. If the diameter of the pipe is given, you can simply divide it by 2 to obtain the radius. Next, you need to determine the fluid velocity. This can be done by measuring the velocity directly using a flowmeter or by calculating it based on the fluid's properties and the pressure drop across the pipe using the Bernoulli equation or other appropriate equations. Once you have both the cross-sectional area and fluid velocity, you can multiply them together to find the volume flow rate. Make sure the units are consistent throughout the calculation. For example, if the area is in square meters and the velocity is in meters per second, the resulting volume flow rate will be in cubic meters per second. It is worth noting that the calculation assumes the fluid is incompressible and flows steadily through the pipe. If the fluid properties or flow conditions change, additional considerations may be required to accurately calculate the volume flow rate.

Q:What are the different coating options for steel pipes?: Steel pipes have numerous coating options to choose from, each serving a specific purpose and offering unique advantages. Some common coating options for steel pipes include: 1. Fusion Bonded Epoxy (FBE) Coating: FBE coating is widely used across industries due to its exceptional corrosion resistance, impact resistance, and adhesion to the pipe surface. This coating is typically applied through a heat-induced chemical reaction, resulting in a durable and protective layer. 2. Polyethylene (PE) Coating: PE coating is commonly employed for underground steel pipes as it provides superior resistance against corrosion, abrasion, and chemicals. It is applied using extrusion techniques, forming a seamless layer that prevents moisture penetration. 3. Polyurethane (PU) Coating: PU coating is renowned for its outstanding resistance to abrasion, chemicals, and harsh environmental conditions. It is frequently used for steel pipes exposed to extreme temperatures or aggressive environments. Multiple layers of PU coating can be applied to enhance protection. 4. Coal Tar Enamel (CTE) Coating: CTE coating is a traditional choice for steel pipes requiring protection against corrosion. It is a thick, black coating that effectively resists water, soil, and atmospheric corrosion. This coating is typically applied using a hot-applied method. 5. Zinc Coating: Zinc coating, also known as galvanization, is a widely used protective coating for steel pipes. It involves applying a layer of zinc to create a barrier against corrosion. Zinc coating can be applied through hot-dip galvanization or electro-galvanization techniques. 6. Concrete Coating: Concrete coating is often utilized for steel pipes in underground or submerged applications. It provides a robust protective layer against corrosion, abrasion, and mechanical damage. Concrete coating is typically applied as a cement mortar or reinforced concrete layer. These options represent just a few of the available coatings for steel pipes. The selection of a coating depends on factors such as the intended application, environmental conditions, and desired durability. Choosing the appropriate coating is crucial to ensure the longevity and performance of steel pipes in various industries.

Q:What is the difference between nominal and actual pipe size?: The nominal pipe size refers to the approximate inside diameter of a pipe, while the actual pipe size refers to the exact inside diameter. The nominal size is used for general identification purposes, while the actual size is more precise and is used for engineering calculations and pipe fittings.

Q:How do you calculate the maximum allowable deflection for steel pipes?: When calculating the maximum allowable deflection for steel pipes, various factors must be taken into account. These factors include the pipe diameter, material properties, support conditions, and desired level of deflection. The maximum allowable deflection is typically determined according to industry standards and codes. One popular method for calculating the maximum allowable deflection is based on the pipe's span-to-diameter ratio, also known as the L/D ratio. The L/D ratio is calculated by dividing the pipe's span (the distance between supports) by its diameter. Numerous industry codes provide guidelines for the maximum allowable deflection based on the L/D ratio. For instance, 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 when the L/D ratio is 100 or less. However, as the L/D ratio increases, the deflection limit decreases to ensure the pipe's stability and structural integrity. To calculate the maximum allowable deflection using the L/D ratio method, you first need to determine the L/D ratio based on the pipe's span and diameter. Then, you can refer to the applicable code or standard to find the corresponding maximum allowable deflection limit. It's 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.

Q:What are the standard dimensions for steel pipes?: The standard dimensions for steel pipes vary depending on the application and industry. However, common sizes range from ½ inch to 48 inches in diameter and have various wall thicknesses based on the required strength and pressure rating.

Q:What is the role of steel pipes in HVAC systems?: Steel pipes are essential components in HVAC systems as they are used to transport hot or cold water, steam, and air throughout the system. They provide a reliable and durable conduit for the distribution of heating, ventilation, and air conditioning, ensuring efficient and effective operation of the system.

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