Construction 20# Rectangular hollow section/ RHS

Inquire Now

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

You Might Also Like

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:How are steel pipes used in the automotive exhaust systems?: Steel pipes are commonly used in automotive exhaust systems because steel is a durable and heat-resistant material. Steel pipes are used to transport the exhaust gases from the engine to the muffler and tailpipe, ensuring that the gases are safely and efficiently expelled from the vehicle. These pipes are designed to withstand high temperatures, corrosion, and vibration, making them an essential component in the exhaust system.

Q:Seamed steel pipe seamless steel pipe, carbon steel pipe, galvanized pipe, four how to distinguish between: Welded and seamless steel pipe is divided according to the processing form, usually welded seam steel tube, seamless steel tube drawing and hot two ways, carbon steel is material, galvanized pipe is welded pipe production after the surface is galvanized

Q:How are steel pipes used in the manufacturing of bridges?: Steel pipes are commonly used in the manufacturing of bridges for various purposes, such as supporting heavy loads, providing structural strength, and ensuring durability. They are often used as piling foundations, allowing the bridge to be securely anchored to the ground. Steel pipes can also be used as bridge components, such as support columns, beams, and trusses, providing the necessary strength and stability to withstand the weight and forces exerted on the bridge. Additionally, steel pipes are used for drainage systems, allowing water to flow away from the bridge structure, preventing potential damage or erosion. Overall, steel pipes play a crucial role in the construction and structural integrity of bridges.

Q:What are the different types of flanges used with steel pipes?: There are several types of flanges commonly used with steel pipes, including slip-on flanges, weld neck flanges, socket weld flanges, threaded flanges, and blind flanges. These flanges are used to connect and secure steel pipes in various industrial applications, each offering specific advantages depending on the requirements of the piping system.

Q:How are steel pipes used in the construction of underground parking garages?: Steel pipes are used in the construction of underground parking garages for various purposes, including providing structural support, serving as conduits for utilities such as water and electricity, and facilitating drainage systems. They are often used as deep foundation elements to support the weight of the structure and the vehicles above. Additionally, steel pipes are commonly used for installing fire suppression systems, ventilation systems, and plumbing connections within the parking garage.

Q:Can steel pipes be used for conveying abrasive slurries?: Yes, steel pipes can be used for conveying abrasive slurries. Steel pipes are known for their durability and strength, making them suitable for handling abrasive materials such as slurries. However, to ensure longevity and prevent excessive wear, it is important to select the appropriate grade of steel and consider factors such as pipe thickness, lining options, and flow velocity. Additionally, implementing proper maintenance and inspection procedures can help to detect and address any wear or corrosion that may occur over time.

Q:Can steel pipes be used for underground sewage treatment plants?: Yes, steel pipes can indeed be used for underground sewage treatment plants. Steel pipes are commonly used in underground applications due to their durability, strength, and resistance to corrosion. They are capable of withstanding the harsh underground environment and can efficiently transport sewage from one area to another within the treatment plant. Moreover, steel pipes can be customized to meet the specific requirements of the sewage treatment plant, such as different diameters and wall thicknesses, ensuring proper flow and drainage. Additionally, steel pipes can be coated or lined with protective materials to enhance corrosion resistance, further extending their lifespan. Overall, steel pipes are a reliable and suitable choice for underground sewage treatment plants.

Q:What is the role of steel pipes in the food processing industry?: Steel pipes play a crucial role in the food processing industry by providing a reliable and hygienic means of transporting various fluids, such as water, gases, and food products. These pipes are resistant to corrosion and can withstand high temperatures and pressures, ensuring the safety and efficiency of food processing operations. They are used for conveying ingredients, cleaning agents, steam, and other necessary fluids, maintaining the integrity and quality of food products throughout the manufacturing process.

Q:How do you calculate the pipe thermal expansion coefficient for steel pipes?: To calculate the pipe thermal expansion coefficient for steel pipes, you need to consider the material's linear expansion coefficient and the change in temperature. The linear expansion coefficient for steel is typically around 12 x 10^-6 per degree Celsius. First, determine the initial length of the pipe, which is denoted as L0. Then, measure the change in temperature, denoted as ΔT. Next, multiply the initial length of the pipe by the linear expansion coefficient and the change in temperature: ΔL = L0 * α * ΔT. The resulting value, ΔL, represents the change in length of the steel pipe due to thermal expansion.

Q:How to make the internal tooth of the steel pipe?: Cylindrical thread can be used, if the tube is too long, you may consider a short tube with thread, and then welded to the long tube.Taper thread is more difficult to use than ordinary vehicle, and the tap is generally considered. The tap can be clamped on the tailstock.

3. Manufacturer Capability
a)Trade Capacity
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range