Construction 20# Rectangular hollow section/ RHS

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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 environmental impacts of steel pipe production and disposal?: The environmental impacts of steel pipe production and disposal are mainly related to the extraction and processing of raw materials, energy consumption, greenhouse gas emissions, and waste generation. The production of steel pipes requires the extraction of iron ore and other raw materials, which can lead to habitat destruction and biodiversity loss. The processing and manufacturing of steel pipes also involve significant energy consumption, contributing to carbon dioxide emissions and climate change. Additionally, the disposal of steel pipes, especially if not properly managed, can result in waste accumulation and potential soil and water pollution. Therefore, it is crucial to consider sustainable practices and recycling options to minimize the environmental impacts associated with steel pipe production and disposal.

Q:Can steel pipes be used for the construction of offshore platforms?: Yes, steel pipes can be used for the construction of offshore platforms. Steel pipes are commonly used in offshore platform construction due to their high strength, durability, and resistance to corrosion. These pipes can be used for various purposes such as structural support, transporting fluids, and as conduits for electrical and communication systems. Additionally, steel pipes can be easily fabricated, installed, and maintained, making them a reliable choice for offshore platform construction.

Q:How do you solder purple copper plate and steel tube?: When the copper pipe and the size is not too large, such as 10 mm below the pipe welding, brazing is suggested, with brass solder, such as Wei Odin 201 solder, with supporting solder paste, with a neutral flame welding, the copper plate is heated to about 800 degrees, and then use the solder with 201 Wei Odin 201-F in solder welding, welding wire with melt molding.

Q:What are the different types of coatings used for steel pipes?: There are several types of coatings used for steel pipes, including epoxy coatings, polyethylene coatings, fusion bonded epoxy coatings, and zinc coatings. Each type of coating offers different benefits and is used for specific applications to protect the steel pipes from corrosion and improve their durability.

Q:How do you transport and store steel pipes?: Careful planning and adherence to safety guidelines are essential when it comes to the transportation and storage of steel pipes. The following steps outline the necessary procedures: 1. Select the appropriate mode of transportation: Depending on the quantity and weight of the steel pipes, you have the option to transport them by truck, train, or ship. Evaluate the distance, logistics, and cost-effectiveness of each alternative before making a decision. 2. Package and secure the steel pipes: Proper packaging is crucial to prevent damage during transit. Bundle the pipes together using steel strapping or banding, ensuring a tight and secure fastening to prevent any shifting or movement during transportation. 3. Utilize suitable lifting equipment: When loading and unloading the pipes, make use of appropriate lifting equipment such as cranes, forklifts, or hoists. Ensure that the equipment is capable of safely handling the weight and length of the pipes. 4. Protect against moisture and corrosion: Steel pipes are vulnerable to moisture and corrosion, which can weaken their structural integrity. Apply a protective coating or wrap the pipes with waterproof materials before transportation. Additionally, consider using moisture-absorbing desiccants or placing the pipes on pallets to keep them elevated off the ground. 5. Plan for secure storage: If storing the steel pipes for an extended period, select a dry and secure location. Ensure that the storage area is well-ventilated and shielded from direct exposure to sunlight, rain, or extreme temperatures. Utilize racks or pallets to keep the pipes off the ground and prevent contact with moisture. 6. Conduct thorough inspections for damage: Prior to transportation and after storage, perform comprehensive inspections to identify any damage or signs of corrosion. This proactive approach will enable prompt resolution of any issues and ensure the integrity of the steel pipes. It is important to adhere to local regulations and safety guidelines specific to your region when transporting and storing steel pipes. By following these steps, you can guarantee the safe and efficient transportation and storage of steel pipes while minimizing the risk of damage and preserving their quality.

Q:What are the environmental impacts of steel pipe production?: The environmental impacts of steel pipe production include carbon dioxide emissions from the extraction and processing of raw materials, such as iron ore and coal, as well as the energy-intensive manufacturing process. Additionally, the production of steel pipes can contribute to air and water pollution through the release of pollutants and waste materials. The extraction and transportation of raw materials may also result in habitat destruction and disruptions to ecosystems.

Q:Are steel pipes suitable for potable water applications?: Yes, steel pipes are suitable for potable water applications. They are commonly used in water distribution systems due to their durability, strength, and resistance to corrosion. However, proper coating and lining techniques should be employed to ensure the water remains safe for consumption and to prevent any potential leaching of contaminants from the pipe material.

Q:How are steel pipes tested for leaks?: Steel pipes can be tested for leaks using various methods, including hydrostatic testing, pneumatic testing, and using leak detection equipment such as ultrasonic testing or helium testing.

Q:What are the standard specifications for steel pipes?: The standard specifications for steel pipes vary depending on the specific application and industry requirements. However, some common standard specifications for steel pipes include dimensions, material composition, strength, and testing procedures. These standards are set by organizations such as the American Society for Testing and Materials (ASTM), the International Organization for Standardization (ISO), and other national or international bodies. It is important to consult the appropriate standard specifications for specific project needs.

Q:What are the standard dimensions for steel pipes?: The standard dimensions for steel pipes vary depending on the application and industry. However, common sizes range from ½ inch to 48 inches in diameter and have various wall thicknesses based on the required strength and pressure rating.

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