Rectangular Hollow Section Q235

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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 common sizes of steel pipes available?: The specific industry or application determines the availability of common sizes of steel pipes. However, different industries commonly use several standard sizes. These sizes are usually identified by their nominal pipe size (NPS) or outside diameter (OD). Steel pipes are commonly found in sizes such as 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 widely used in various applications, including plumbing, construction, oil and gas pipelines, structural supports, and industrial processes. It is important to note that these sizes may slightly differ according to industry standards or requirements. Moreover, steel pipes are available in different wall thicknesses known as schedules. The most commonly used schedules are schedule 40, schedule 80, schedule 160, and schedule XXS (extra extra strong). The schedule number indicates the pipe's wall thickness, with higher numbers indicating thicker walls. To summarize, the available common sizes of steel pipes range from 1/8 inch to 54 inches in diameter. These sizes are commonly used in different industries and applications, and their wall thickness can vary based on the specific schedule.

Q: How to calculate the maximum bending stress of steel pipe? Is there a list of the maximum flexural normal stresses for steel pipes of different materials and diameters?: Wnx - net sectional modulus of steel tubes, also called net sectional resistance moment. If the section is not weakened, it can be found in the steel sheet of the steel structure design manual. If the section is weakened, it can be calculated by the formula according to the sectional dimension according to the formula of the material mechanics.

Q: Can steel pipes be used for underground sewerage systems?: Indeed, underground sewerage systems can make use of steel pipes. These pipes possess remarkable strength and durability, rendering them suitable for the transportation of sewage beneath the surface. Their resistance to corrosion is high, allowing them to withstand the pressure and weight of the soil above. Moreover, steel pipes boast an extended lifespan and exhibit resilience against environmental factors like moisture, chemicals, and temperature variations. Furthermore, the ease of welding steel pipes makes the process of installation and repairs more convenient. Nevertheless, it is crucial to ensure that these steel pipes are adequately coated or lined to prevent corrosion and comply with local regulations and standards pertaining to underground sewerage systems.

Q: Can steel pipes be used for water supply systems?: Yes, steel pipes can be used for water supply systems. They are commonly used in many industrial and commercial applications due to their durability and strength. However, it is important to note that steel pipes need to be properly coated or lined to prevent corrosion and ensure water quality. Additionally, steel pipes may require more maintenance compared to other materials like PVC or copper.

Q: Are steel pipes resistant to ultraviolet (UV) radiation?: No, steel pipes are not inherently resistant to ultraviolet (UV) radiation.

Q: Is hot dipped plastic pipe steel?: The hot dipped plastic steel pipe is a steel pipe, and it is made of special antiseptic treated composite steel pipe.

Q: How do steel pipes perform in marine environments?: Steel pipes perform well in marine environments due to their high strength and corrosion resistance. The protective oxide layer formed on the surface of the steel helps prevent rust and deterioration caused by salty sea air and water. Additionally, steel pipes can withstand the high pressure and temperature fluctuations commonly found in marine applications, making them a reliable choice for transporting fluids and gases in offshore structures, ships, and other marine installations.

Q: Where is a steel pipe casing usually used?: Classification of casing: rigid casing, flexible waterproof sleeve, steel pipe sleeve and iron sheet bushing, etc..

Q: Can steel pipes be used for air conditioning systems?: Yes, steel pipes can be used for air conditioning systems. Steel pipes are commonly used in air conditioning systems for their durability, strength, and resistance to corrosion. They can effectively transport refrigerant and withstand the high pressure and temperature conditions involved in air conditioning operations.

Q: What is the lifespan of a steel pipe?: The lifespan of a steel pipe can vary depending on various factors such as its quality, maintenance, and usage conditions. However, with proper care and maintenance, a well-made steel pipe can last for several decades or even more.

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