Carbon Steel ASTM A 106 Seamless Pipe with FBE coating

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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1.Specification:

Iterm		Seamless steel pipe/tube
Size		OD:21.3-610mm WT:2.24-30.96mm
Length		5.8-12m
Application		Usage for fluid transportation ,structure, and so on
Surface Treatment		3PE/2PE,3PP/2PP,FBE,EPOXY COATING
Packing		Hexagon bundle with waterproof packing or as client's requirement
API	Standard	API 5L
	material	Gr.B, X42,X46,X52,X56,X60,X65,X70
ASTM	Standard	ASTM A106, ASTM A53
	material	A106(A B), A53(AB)
DIN	Standard	DIN1626,DIN17175,DIN1629
	material	St37,st42,st35.8,st45-8,st45-4
JIS	Standard	JISG 3454,JISG3456,JISG3461,JISG3455
	material	STPG42,STB42,STS 42
GB	Standard	GB 8163/8162
	material	20#,10#,45#,Q345,20Cr,40Cr,12CrMov
Payment terms		TT or L/C
Delivery time		Within 30 days after receive the prepayment by TT

ANTICORROSION STEEL PIPE SPECIFICATION :

1. 3PE COATING

STANDARD: GB/T23257-2009, SY/T0413-2002, DIN30670-91,CAN/CSA-Z245.21-M92

SIZE: OD :89mm-1820mm WT: 6mm-20mm

2. EPOXY COATING

STANDARD:SY/T0447-96 GB50268-2008

3. FEB COATING

STANDARD: SY/T0315-97,SY/T0315-2005,CAN/CSA-Z245.20-M98,DIN30671,Q/CNPC38-2002

SIZE: OD: 89mm-1820mm WT: 6mm-20mm

4. CEMENT MORTAR COATING

STANDARD: CECS10:89, GB50268-2008

SIZE: OD :159mm-2220mm

Q: Can steel pipes be used for underground stormwater drainage?: Yes, steel pipes can be used for underground stormwater drainage. Steel pipes are commonly used in underground drainage systems due to their durability, strength, and resistance to corrosion. They can effectively manage the flow of stormwater and provide long-lasting solutions for underground drainage needs.

Q: How are steel pipes threaded?: Steel pipes can be threaded using a process called threading. Threading is the process of creating screw-like grooves on the outer surface of the pipe, which allows it to be connected to other pipes or fittings using threaded connections. There are several methods for threading steel pipes, including manual threading, electric threading machines, and hydraulic threading machines. In manual threading, a handheld pipe threading tool called a die is used. The die is placed on the outside of the pipe, and the pipe is rotated while pressure is applied to create the threads. This method is suitable for small diameter pipes and is typically used for on-site repairs or in small-scale operations. Electric threading machines are commonly used for larger diameter pipes. These machines consist of a motor-driven spindle, which rotates the pipe, and a die head that holds the threading dies. The operator simply feeds the pipe into the machine, and the threading dies cut the threads onto the pipe automatically. Hydraulic threading machines are similar to electric threading machines but use hydraulic power to rotate the pipe and create the threads. These machines are typically used for larger diameter pipes or in heavy-duty applications. Regardless of the method used, it is important to ensure that the pipe is properly prepared before threading. This may involve cleaning the pipe, removing any burrs or sharp edges, and applying a lubricant to reduce friction during the threading process. Overall, threading is a common and efficient method for creating threaded connections on steel pipes. It allows for easy assembly and disassembly of pipes and fittings, making it a popular choice in various industries such as plumbing, construction, and oil and gas.

Q: Can steel pipes be used for conveying sewage and wastewater?: Yes, steel pipes can be used for conveying sewage and wastewater. Steel pipes are known for their strength, durability, and resistance to corrosion, making them suitable for transporting various types of fluids, including sewage and wastewater. Additionally, steel pipes can withstand high pressure and are capable of handling the abrasive and corrosive nature of sewage and wastewater, making them a reliable choice for such applications.

Q: How are steel pipes used in the defense sector?: Steel pipes are used in the defense sector for various purposes such as constructing military infrastructure, including bunkers, underground facilities, and missile silos. They are also utilized in the manufacturing of military vehicles, weapons systems, and equipment. Steel pipes provide strength, durability, and resistance to extreme conditions, making them ideal for applications in the defense sector.

Q: How do you calculate the flow rate through a steel pipe?: The flow rate through a steel pipe can be calculated using the formula Q = A * v, where Q is the flow rate, A is the cross-sectional area of the pipe, and v is the velocity of the fluid flowing through the pipe.

Q: Can steel pipes be used for conveying potable water?: Yes, steel pipes can be used for conveying potable water. However, there are some considerations and precautions that need to be taken into account. Steel pipes are strong and durable, making them suitable for transporting water over long distances. They are also resistant to corrosion and can withstand high pressure. To ensure the safety and quality of the water being transported, it is important to use pipes that are specifically designed and manufactured for potable water applications. These pipes are often coated or lined with materials that prevent the leaching of contaminants into the water, such as epoxy or cement mortar lining. Additionally, regular maintenance and inspections should be conducted to prevent the buildup of sediments or rust that could affect the water quality. It is worth noting that steel pipes can be more expensive compared to other materials like plastic or copper. However, their longevity and reliability make them a cost-effective choice in the long run. It is also important to comply with local regulations and standards regarding the use of steel pipes for conveying potable water to ensure the health and safety of consumers.

Q: How are steel pipes used in the construction of railways and transportation systems?: Steel pipes are commonly used in the construction of railways and transportation systems for various purposes. One major use of steel pipes in these applications is for the construction of bridges and tunnels. Steel pipes are often used as structural components in the construction of bridges, providing support and stability to the overall structure. In tunnels, steel pipes are used as ventilation shafts, allowing for the circulation of air and removal of fumes, thus ensuring the safety of passengers and workers. Additionally, steel pipes are used for the construction of railway tracks. They are used as supports for the tracks, providing a stable base for the trains to travel on. Steel pipes used in railway tracks are typically coated or galvanized to protect them from corrosion and ensure their longevity. Moreover, steel pipes are used for drainage systems in railway stations and transport hubs, ensuring proper water management and preventing flooding. Another important application of steel pipes in transportation systems is for the construction of signposts and streetlights. Steel pipes are often used as the main structural element in these structures, providing strength and durability. They can be easily fabricated and shaped to meet the specific design requirements, making them a popular choice for these applications. Overall, steel pipes play a crucial role in the construction of railways and transportation systems by providing structural support, ensuring proper ventilation, facilitating drainage, and serving as the main components in various structures. Their strength, durability, and versatility make them an ideal choice for these applications, contributing to the safe and efficient operation of transportation networks.

Q: What is the load-bearing capacity of steel pipes?: The load-bearing capacity of steel pipes is influenced by a range of factors, including diameter, wall thickness, and steel grade. In general, steel pipes exhibit excellent load-bearing capacity due to their inherent strength and durability. The determination of load-bearing capacity involves utilizing engineering calculations and testing techniques. These calculations take into account factors such as the applied load, pipe dimensions, and material properties of the steel. To accurately ascertain the load-bearing capacity of specific steel pipes for a particular application, it is crucial to refer to engineering standards, guidelines, and consult with a structural engineer.

Q: Can steel pipes be used for industrial ventilation systems?: Yes, steel pipes can be used for industrial ventilation systems. They are commonly used due to their durability, resistance to corrosion, and ability to withstand high temperatures. Steel pipes are also strong and can handle the pressure required for efficient airflow in industrial environments.

Q: What are the disadvantages of using steel pipes?: One disadvantage of using steel pipes is that they are prone to corrosion, especially in environments with high humidity or exposure to certain chemicals. This can lead to structural damage and reduced lifespan of the pipes. Additionally, steel pipes are relatively heavy and bulky, making transportation and installation more challenging compared to other pipe materials. Lastly, steel pipes can be more expensive than alternative materials, which can impact project budgets.

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