Rectangular Hollow Section Q345

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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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 advantages of using steel pipes in construction projects?: Using steel pipes in construction projects offers numerous benefits. Firstly, the strength and durability of steel pipes are remarkable. With a high tensile strength, they can withstand heavy loads and pressures without any deformation or breakage. This makes them ideal for projects that require structural integrity, such as building construction, bridge building, and infrastructure development. Secondly, steel pipes exhibit exceptional resistance to corrosion. They are typically coated with protective layers, like galvanized zinc or epoxy, which prevent rusting and extend their lifespan. Consequently, steel pipes are suitable for both aboveground and underground applications, including water and sewage systems, oil and gas pipelines, and industrial processing plants. Furthermore, steel pipes offer great versatility in terms of shape and size. They can be manufactured in various diameters and thicknesses, allowing for customization to meet specific project requirements. This flexibility in design makes steel pipes suitable for a wide range of applications in construction, including plumbing, HVAC systems, and structural supports. Moreover, steel pipes are relatively easy to install and maintain. They can be welded, threaded, or bolted together, providing a secure and leak-proof connection. This ease of installation reduces construction time and labor costs. Additionally, steel pipes require minimal maintenance, as they are resistant to cracking, chipping, and warping. This makes them a cost-effective choice over the long term. Lastly, steel pipes are environmentally friendly. They are 100% recyclable, meaning they can be reused and repurposed without compromising their structural integrity. By recycling steel pipes, the demand for new raw materials is reduced, and waste generation is minimized. Therefore, steel pipes are a sustainable option for construction projects. In summary, the advantages of using steel pipes in construction projects encompass their strength, corrosion resistance, versatility, ease of installation and maintenance, and environmental sustainability. These attributes make steel pipes a reliable and cost-effective choice for a wide range of applications in the construction industry.

Q: How are steel pipes used in LNG terminals?: Steel pipes are used in LNG terminals to transport liquefied natural gas from storage tanks to processing facilities or to ships for export. These pipes are highly durable and can withstand the extreme cold temperatures of LNG, ensuring safe and efficient transportation of this valuable energy resource.

Q: What are the common applications of galvanized steel pipes?: Galvanized steel pipes are commonly used in various industries and applications such as plumbing, water supply systems, gas pipelines, electrical conduits, construction projects, fencing, and outdoor structures. The galvanization process adds a protective zinc coating to the steel, making it resistant to corrosion and extending its lifespan, making it ideal for applications requiring durability and longevity.

Q: What is the difference between carbon steel and alloy steel pipes?: Carbon steel and alloy steel pipes are both types of steel pipes, but they differ in their composition and properties. Carbon steel pipes are made primarily from carbon and iron, with small amounts of other elements such as manganese, silicon, and copper. They are known for their strength and durability, making them a popular choice for various applications in industries such as construction, oil and gas, and automotive. Carbon steel pipes are relatively inexpensive and have good resistance to corrosion. On the other hand, alloy steel pipes are made by adding other alloying elements to carbon steel. These alloying elements can include elements such as chromium, nickel, molybdenum, and vanadium, among others. The addition of these elements enhances the properties of the steel, such as increased strength, improved corrosion resistance, and better heat resistance. Alloy steel pipes are commonly used in high-temperature and high-pressure applications, such as in power plants, refineries, and chemical plants. In terms of cost, alloy steel pipes are generally more expensive than carbon steel pipes due to the additional alloying elements. However, the added benefits in performance and durability can often justify the higher cost. In summary, the main difference between carbon steel and alloy steel pipes lies in their composition and properties. Carbon steel pipes are primarily made of carbon and iron, while alloy steel pipes contain additional alloying elements for enhanced properties. Carbon steel pipes are known for their strength and affordability, while alloy steel pipes offer improved strength, corrosion resistance, and heat resistance.

Q: Can steel pipes be used for structural applications?: Indeed, structural applications can make use of steel pipes. With their high strength, durability, and ability to withstand various environmental conditions, steel pipes prove to be suitable for such purposes. The construction industry often relies on them to fabricate buildings, bridges, and other structures. Notably, steel pipes possess exceptional load-bearing capacity and can endure heavy loads, making them perfect for supporting structures and transferring loads. Moreover, the ease with which steel pipes can be fabricated, welded, and connected facilitates efficient construction. As a result, steel pipes emerge as a dependable and cost-effective choice for structural applications.

Q: Galvanized steel pipe DN100 and SC100: Zinc plating, hot dip galvanizing and cold galvanizing, to see the design instructions and design requirements, which will explain

Q: What is ND steel pipe?: ND steel 09CrCuSb steel is currently the most ideal "resistance to sulfuric acid dew point corrosion in steel (ND steel, ND steel, 09CrCuSb steel, 09CrCuSb steel), ND steel is widely used in the manufacture of economizer, served in the high sulfur content in flue gas of air preheater, evaporator and heat exchanger equipment for resist sulfur smoke gas dew point corrosion.

Q: What are the safety measures to be followed while working with steel pipes?: When working with steel pipes, it is important to follow several safety measures to ensure the well-being of workers and prevent accidents. Some of the key safety measures include: 1. Personal Protective Equipment (PPE): Workers should always wear appropriate PPE, including safety glasses, steel-toed boots, gloves, and hard hats to protect themselves from potential hazards. 2. Proper Lifting Techniques: Steel pipes can be heavy, so workers should use proper lifting techniques, such as bending their knees and using their leg muscles, to prevent strain or injury to their back. 3. Secure Storage and Handling: Steel pipes should be stored in a secure and organized manner to prevent them from falling or causing any hazards. Workers should also use appropriate lifting equipment, such as cranes or forklifts, to handle heavy steel pipes safely. 4. Inspect Pipes for Defects: Before working with steel pipes, they should be inspected for any defects, such as cracks or corrosion, that could compromise their structural integrity. Damaged pipes should be replaced to avoid potential accidents. 5. Proper Welding and Cutting Techniques: When welding or cutting steel pipes, workers should follow proper techniques and use appropriate safety equipment, such as welding masks and fire-resistant clothing, to prevent burns, fires, or explosions. 6. Fall Protection: When working at heights or on elevated platforms, workers should use fall protection equipment, such as harnesses and safety nets, to prevent falls and injuries. 7. Adequate Ventilation: In enclosed spaces where welding or cutting activities take place, proper ventilation should be ensured to prevent the accumulation of harmful fumes or gases. 8. Fire Prevention: Steel pipes can be flammable, especially when cutting or welding. Therefore, it is crucial to have fire prevention measures in place, such as fire extinguishers and fire blankets, and to follow proper fire safety protocols. By adhering to these safety measures, workers can minimize the risks associated with working with steel pipes and create a safer working environment.

Q: How are steel pipes used in the manufacturing of furniture?: Steel pipes are commonly used in the manufacturing of furniture to provide structural support, such as in the construction of chair and table frames. They are also used as a base for attaching other materials, such as wood or fabric, and can be bent, shaped, and welded to create various designs and styles.

Q: What is the difference between steel pipes and polyethylene pipes?: Steel pipes and polyethylene pipes are two types of piping materials that have different characteristics and uses. Steel pipes are made of a durable and strong material, making them suitable for high-pressure applications and transporting fluids or gases. They have a high resistance to heat, corrosion, and impacts, making them ideal for industrial and heavy-duty applications. Steel pipes are commonly used in industries such as oil and gas, construction, and infrastructure projects. Polyethylene pipes, on the other hand, are made of a flexible and lightweight plastic material known as polyethylene. They are commonly used for underground water supply systems, irrigation, and drainage systems. Polyethylene pipes have excellent resistance to chemicals, making them suitable for transporting water and other fluids. They are also more affordable and easier to install compared to steel pipes. In summary, the main difference between steel pipes and polyethylene pipes lies in their material composition, strength, and applications. Steel pipes are stronger and suitable for high-pressure applications, while polyethylene pipes are flexible, lightweight, and commonly used for water supply and drainage systems.

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