ASTM A500/JIS/EN Rectangular hollow section pipe

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 10 m.t.

Supply Capability:: 5000 m.t./month

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Product Name	rectangular hollow section/ RHS
Size	Size:	1010--500500mm
	Thickness:	0.45--16mm
	Length:	3-12m
Steel Grade	Q195,Q215,Q235,Q345,16Mn, 20#
Standard	ASTM A500,EN10219,GB/T6728,GB/T6725,JIS G3466
Usage	1. For Structure, Airport, Railway 2. Construction and so on.
Ends	Plain end or By Your Choice
Surface	Bared Or With Oiled Or Galvanized
Technique	ERW ,Hot Rolled and Cold Rolled
Section Shape	Rectangular
Inspection	With Hydraulic Testing, Eddy Current , Infrared Test
Package	Bags, Bundle, In Bulk, Containers
MOQ	20 Metric Ton / Can Be Negotiated
Supply Ability	15,000 Metric Ton/Month
Date of Delivery	7 days(Qty within 1000 Metric Ton) or According To The Quantity
Port of Shipment	Tianjin, China
Payment	L/C T/T

Q: What are the different sizes of steel pipe nipples?: Steel pipe nipples come in a variety of sizes, ranging from 1/8 inch to 6 inches in diameter.

Q: What is the role of steel pipes in the telecommunications industry?: Steel pipes play a crucial role in the telecommunications industry as they are used for the installation of underground and overhead telecommunication cables. These pipes provide protection and support to the cables, ensuring their safety and longevity. Additionally, steel pipes are also used in the construction of communication towers and infrastructure, making them an essential component in establishing and maintaining reliable telecommunications networks.

Q: Which is more load-bearing, the same thickness of steel pipe and steel bar?: The magnitude of the axial force acting on the steel member is only related to three factors, namely, the strength of the material, the sectional area of A and the longitudinal stability factor of F.

Q: What are the common sizes of steel pipes available?: The common sizes of steel pipes available vary depending on the specific industry or application. However, there are several standard sizes that are commonly used across different industries. These sizes are typically referred to by their nominal pipe size (NPS) or their outside diameter (OD). Some of the most common sizes of steel pipes include 1/8 inch, ¼ inch, ½ inch, ¾ inch, 1 inch, 1 ¼ inch, 1 ½ inch, 2 inch, 2 ½ inch, 3 inch, 3 ½ inch, 4 inch, 5 inch, 6 inch, 8 inch, 10 inch, 12 inch, 14 inch, 16 inch, 18 inch, 20 inch, 24 inch, 26 inch, 30 inch, 36 inch, 42 inch, 48 inch, and 54 inch. These sizes are commonly used in various applications such as plumbing, construction, oil and gas pipelines, structural supports, and industrial processes. It is important to note that these sizes may vary slightly depending on the specific industry standards or requirements. Additionally, steel pipes are available in different wall thicknesses, which are commonly referred to as schedules. The most common schedules include schedule 40, schedule 80, schedule 160, and schedule XXS (extra extra strong). The schedule number indicates the wall thickness of the pipe, with higher numbers indicating thicker walls. In conclusion, the common sizes of steel pipes available range from 1/8 inch to 54 inches in diameter. These sizes are commonly used across various industries and applications, and they can vary in wall thickness based on the specific schedule.

Q: Are steel pipes suitable for nuclear power plants?: Yes, steel pipes are suitable for nuclear power plants. Steel is a commonly used material in the construction of nuclear power plants due to its excellent mechanical properties, high strength, and durability. Steel pipes are used in various applications within these plants, including the transportation of cooling water, hot gases, and steam. The steel used in nuclear power plants is carefully selected and tested to meet stringent safety regulations and quality standards. It is crucial for these pipes to have excellent resistance to corrosion and high-temperature environments, as they are exposed to harsh conditions such as high pressure, high temperatures, and radioactive materials. Furthermore, steel pipes have a long service life and require minimal maintenance, making them a cost-effective choice for nuclear power plants. They can withstand extreme conditions, ensuring the safe and reliable operation of the plant. Additionally, steel pipes can be easily fabricated, installed, and repaired, which is essential for the efficient functioning of a nuclear power plant. Overall, steel pipes are highly suitable for nuclear power plants due to their strength, durability, resistance to corrosion, and ability to withstand extreme conditions.

Q: What is the weight and strength of steel pipes?: The weight and strength of steel pipes differ based on their dimensions and the specific steel grade utilized. Typically, the weight of steel pipes is measured in pounds per foot or kilograms per meter. The strength of steel pipes is commonly evaluated in terms of yield strength and ultimate tensile strength. The weight of steel pipes can range from a few pounds per foot for smaller sizes to several hundred pounds per foot for larger diameters and thicker walls. Various factors, including the pipe's outer diameter, wall thickness, and length, impact the weight. For example, a 1-inch diameter steel pipe with a wall thickness of 0.125 inches may weigh approximately 0.67 pounds per foot. Conversely, a 12-inch diameter steel pipe with a wall thickness of 0.5 inches can weigh roughly 142 pounds per foot. The strength of steel pipes is determined by the grade of steel used, which can vary depending on the specific application and requirements. Commonly used steel grades for pipes include ASTM A53 for general purposes, ASTM A106 for high-temperature service, and API 5L for oil and gas transportation. These grades possess different yield strengths and ultimate tensile strengths. Yield strength denotes the amount of stress a steel pipe can endure before it starts to deform plastically. It is usually measured in pounds per square inch (psi) or megapascals (MPa). For instance, ASTM A53 Grade B steel pipe has a minimum yield strength of 35,000 psi (240 MPa), while API 5L Grade X65 steel pipe has a minimum yield strength of 65,000 psi (448 MPa). On the other hand, ultimate tensile strength signifies the maximum stress a steel pipe can withstand before fracturing. It is also measured in psi or MPa. For example, ASTM A106 Grade B steel pipe has an ultimate tensile strength of 60,000 psi (415 MPa), whereas API 5L Grade X65 steel pipe has an ultimate tensile strength of 77,000 psi (531 MPa). In conclusion, the weight and strength of steel pipes can vary based on their dimensions and the grade of steel used. The weight is influenced by factors like the pipe's diameter, wall thickness, and length, while the strength is determined by the steel's yield strength and ultimate tensile strength.

Q: What are the different methods of inspecting steel pipes?: There are several methods for inspecting steel pipes, including visual inspection, ultrasonic testing, magnetic particle inspection, radiographic testing, and eddy current testing.

Q: How are steel pipes repaired in case of damage or leaks?: Steel pipes are repaired in case of damage or leaks by first identifying the affected area. The damaged section is then cut out, and a new piece of steel pipe is welded or bolted in its place. This ensures a secure and watertight connection, restoring the integrity of the pipe and preventing further leaks or structural issues.

Q: How are steel pipes classified according to their use?: Steel pipes can be classified according to their use into various categories such as structural pipes, plumbing pipes, oil and gas pipes, and industrial pipes.

Q: How long do steel pipes last?: There are several factors that can influence the lifespan of steel pipes. These factors include the quality of the steel used, the installation environment, and the maintenance and care provided to the pipes. Steel pipes are generally recognized for their durability and long life. When properly installed and regularly maintained, steel pipes can endure for many decades, sometimes even surpassing 50 years. However, it is important to consider external factors that can greatly impact their lifespan, such as corrosion, exposure to extreme temperatures, and chemical reactions. To ensure the reliability and functionality of steel pipes for an extended period, it is crucial to conduct regular inspections, make timely repairs, and apply protective coatings.

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