Carbon Steel ASTM A 106 Seamless Pipe with FBE coating

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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:Are steel pipes suitable for potable water supply?: Yes, steel pipes are suitable for potable water supply. They are commonly used for water distribution systems due to their durability, strength, and resistance to corrosion. However, it is important to ensure that the steel pipes are properly coated or lined to prevent any potential contamination of the water supply.

Q:How do you calculate the pipe flow velocity for steel pipes?: To calculate the pipe flow velocity for steel pipes, you can use the formula: Velocity = (Flow rate / (π * (Diameter/2)^2)). This equation takes into account the flow rate of the fluid through the pipe and the diameter of the steel pipe.

Q:What are the quality control measures for steel pipe production?: Quality control measures for steel pipe production typically involve various inspections and tests at different stages of the manufacturing process. Some of the key measures include: 1. Raw material inspection: Ensuring that the steel used for pipe production meets specified standards for chemical composition, mechanical properties, and dimensional accuracy. 2. Dimensional inspection: Checking the outer diameter, wall thickness, and length of the pipes to ensure they meet the required specifications. 3. Welding inspection: Verifying the quality of welds by conducting non-destructive tests, such as ultrasonic or radiographic testing, to detect any defects or discontinuities. 4. Surface inspection: Examining the pipe surface for any defects, such as scratches, pits, or corrosion, which can affect the overall quality and performance. 5. Mechanical testing: Performing tests like tensile strength, yield strength, and impact resistance to assess the mechanical properties of the pipes and ensure they meet the desired standards. 6. Pressure testing: Subjecting the pipes to hydrostatic or pneumatic pressure tests to verify their ability to withstand the intended operational pressures without leakage or failure. 7. Coating inspection: Checking the quality and uniformity of any protective coatings or linings applied to the pipes to prevent corrosion or other forms of deterioration. 8. Documentation and traceability: Maintaining records of all inspections, tests, and certifications to provide traceability and ensure compliance with relevant industry standards and customer requirements. These quality control measures help to ensure that steel pipes are manufactured to the highest standards, possess the required mechanical and dimensional properties, and are fit for their intended application.

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 commonly used in sewage and wastewater systems due to their durability and strength. They are resistant to corrosion and can withstand high pressure and flow rates. Additionally, steel pipes are able to handle the harsh chemicals and contaminants present in sewage and wastewater without deteriorating or affecting the quality of the conveyed fluids. However, it is important to ensure that the steel pipes are properly coated or lined to prevent any potential corrosion or contamination issues. Regular maintenance and inspections are also necessary to identify and address any potential issues that could arise in the system.

Q:How are steel pipes used in wastewater treatment plants?: Steel pipes are commonly used in wastewater treatment plants for various purposes such as conveying wastewater, transporting chemicals, and managing water flow. They are used to transport wastewater from different treatment stages, ensuring efficient movement within the plant. Additionally, steel pipes are used to transport chemicals, such as disinfectants or coagulants, which are necessary for treating the wastewater. They also play a crucial role in managing water flow, helping to control the movement and distribution of wastewater throughout the treatment process. Overall, steel pipes are essential components in wastewater treatment plants, facilitating the movement and treatment of wastewater efficiently.

Q:What are the specific differences between flexible pipes and rigid pipes?: Structurally:A rigid waterproof sleeve is welded with a water stop ring outside the steel pipe;The flexible waterproof casing pipe is welded on the outside of the 3 side wing ring, 4 screw buckle, inside a welding piece with a rubber ring, the outside and do a flange, with 4 double head bolt, welding a steel pipe, the pipe installed, the flange is installed. The screw fastening, tightening the apron is bigger, more Water Leakage, generally in the waterproof requirements of relatively high places, such as the pool of water.

Q:Can steel pipes be used for underground compressed air pipelines?: Yes, steel pipes can be used for underground compressed air pipelines. Steel pipes are commonly used for underground pipelines due to their strength and durability. They have the ability to withstand high pressure and can resist corrosion and other environmental factors. Steel pipes are also known for their long lifespan, making them a reliable choice for compressed air pipelines. However, it is important to ensure that the steel pipes are properly coated and protected to prevent any potential corrosion issues. Additionally, proper installation and maintenance of the pipelines are crucial to ensure their efficiency and safety.

Q:How are steel pipes used in the manufacturing of wind turbines?: Steel pipes are used in the manufacturing of wind turbines primarily for constructing the tower, which provides structural support and stability to the turbine. These steel pipes are typically large in diameter to withstand the strong winds and carry the weight of the turbine components. Additionally, steel pipes are also utilized for the transmission of electrical cables within the turbine, ensuring efficient power generation.

Q:How do steel pipes handle high-pressure applications?: Steel pipes are able to handle high-pressure applications due to their inherent strength and durability. They have a high tensile strength and are resistant to deformation under extreme pressure. Additionally, the seamless construction of steel pipes ensures that there are no weak points or joints that can compromise their ability to handle high pressures.

Q:What are the different coatings used on steel pipes?: There are several different coatings used on steel pipes, including but not limited to epoxy coatings, polyethylene coatings, zinc coatings, and galvanized coatings.

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