square pipe and gb

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Supply Capability:: -

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Quick Details

Standard:BS, GB, API
Standard:BS 1387, GB 3087-1999, GB/T 8163-1999, GB/T 3087, API 5L
Grade:10#-45#, Q195-Q345
Grade:10#, 20#, 45#, Q235, Q345, Q195
Thickness:0.5 - 15 mm
Section Shape:Square
Place of Origin:Hebei, China (Mainland)
Secondary Or Not:Non-secondary
Application:Structure Pipe
Technique:ERW
Surface Treatment:Other

Packaging & Delivery

Packaging Details:	With bundles and load in containers or by bulk shipment.
Delivery Detail:	30-45 days according to the contract

Specifications

1.Size:15*15mm-400*400mm
2.W.T:0.5-12mm
3.Certification:ISO9001,CE
4.Standard:GB, ASTM.BS1387

galvanized steel pipe

1.ERW galvanized steel tubes
2.OD: 10.3-219mm
3.W.T:0.6-10mm
4.Certificate:ISO 9001-2008
5.Output per month:20000 tons

ERW galvanized steel tubes
O.D	O.D tolerance	W.T	Thickness Tolerance
19--219MM	±0.03	1.0--10MM	±0.03
Length	2--12M , according to customers' requirements
Zinc coating	275--350g/m2
International Standard	ISO 9001;2008
Standard	ASTM A 53 / BS 1387-1985
Material	Q195/Q215/Q235/Q345
Product Category :	Metallurgy, Mineral & Energy
Technique:	Welded
Packing	In bundles or according to customers' requirements
Usage	1.For low pressure liquid delivery such as water , gas and oil 2.For construction , e.g building greenhouse
Main market:	Middle east, Africa, North and South America, East and West Europe, South and southeast Asia,Australia
Place of Origin	China
HS code:	7306309000
Productivity	20000Ton/Month
Processing technology available:	Threading , coupling and with plastic caps protected
Remarks	1) Payment term : T/T 2) Trade Terms : FOB / CFR /CIF 3) Minimum quantity of order : 25 MT (25,000KGS) 4) Delivery period : 10 to 30 Days .

Q:Can steel pipes be used for LNG terminals?: Yes, steel pipes can be used for LNG terminals. Steel pipes are commonly used in the construction of LNG terminals due to their durability, strength, and resistance to extreme temperatures. Additionally, steel pipes can effectively handle the high-pressure requirements of LNG transportation and storage.

Q:What is the impact toughness of steel pipes?: The impact toughness of steel pipes refers to the ability of the material to withstand sudden or high-velocity impacts without fracturing or breaking. It is a measure of the material's resistance to cracking under dynamic loading conditions. The impact toughness of steel pipes is an important property as it determines their ability to withstand accidental impacts or external forces during transportation, installation, and operation. The impact toughness of steel pipes is typically evaluated using standardized tests such as the Charpy V-notch test or the Izod test. These tests involve striking a notched sample of the steel pipe with a pendulum or a falling weight and measuring the energy absorbed by the material before it fractures. The impact toughness is then calculated based on this energy absorption. A high impact toughness is desirable in steel pipes as it indicates a greater ability to absorb energy and resist fracture, making them more resistant to sudden impacts or loading conditions. This is particularly important in applications where steel pipes are used in high-stress environments, such as in oil and gas pipelines, automotive components, or structural applications. Various factors can affect the impact toughness of steel pipes, including the chemical composition, heat treatment, and microstructure of the steel. For example, alloying elements like manganese, chromium, and nickel can enhance the impact toughness by promoting the formation of fine-grained microstructures and preventing the propagation of cracks. Similarly, proper heat treatment processes such as quenching and tempering can improve the impact toughness by optimizing the material's microstructure and mechanical properties. In summary, the impact toughness of steel pipes is a crucial property that determines their ability to withstand sudden or high-velocity impacts. It is evaluated through standardized tests and is influenced by factors like chemical composition, heat treatment, and microstructure. A high impact toughness is desirable in steel pipes to ensure their structural integrity and resistance to fracture under dynamic loading conditions.

Q:What are the different joining methods for steel pipes?: There are several joining methods for steel pipes, including welding, threaded connections, flanged connections, and mechanical couplings. Welding involves melting the ends of the pipes and fusing them together using heat. Threaded connections involve screwing the pipes together using threaded ends. Flanged connections use flanges that are bolted together to connect the pipes. Mechanical couplings use a variety of methods such as compression fittings or grooved couplings to connect the pipes without welding or threading.

Q:What is the importance of corrosion resistance in steel pipes?: The importance of corrosion resistance in steel pipes is crucial as it helps to extend the lifespan of the pipes and maintain their structural integrity. Corrosion can weaken the pipes, leading to leaks, breakages, and ultimately, costly repairs or replacements. By preventing or minimizing corrosion, steel pipes can effectively transport fluids or gases, ensuring safety, efficiency, and longevity in various industries such as oil and gas, water supply, and construction.

Q:How are steel pipes used in the pharmaceutical industry?: Steel pipes are used in the pharmaceutical industry for various purposes, including the transportation of liquids, gases, and chemicals, as well as for the distribution of water and steam. They provide a reliable and durable solution for the safe and efficient transfer of pharmaceutical products within manufacturing facilities and during distribution processes.

Q:Are steel pipes suitable for structural applications?: Yes, steel pipes are suitable for structural applications due to their high strength, durability, and versatility. They are commonly used in various construction projects such as buildings, bridges, and infrastructure due to their ability to bear heavy loads, resist corrosion, and withstand extreme weather conditions.

Q:What are the different types of steel pipes available?: There are various types of steel pipes available in the market, each designed to meet specific requirements in different applications. Some of the commonly used types of steel pipes include: 1. Carbon Steel Pipes: These are the most common type of steel pipes and are primarily made of carbon. They are used in a wide range of applications, including transportation of fluids and gases, structural applications, and plumbing. 2. Stainless Steel Pipes: These pipes are made of an alloy that contains a high percentage of chromium, which provides excellent corrosion resistance. Stainless steel pipes are widely used in industries such as oil and gas, chemical processing, and food processing. 3. Alloy Steel Pipes: As the name suggests, these pipes are made of an alloy that contains a combination of different elements, such as chromium, molybdenum, and nickel. Alloy steel pipes offer enhanced strength, durability, and resistance to high temperatures, making them suitable for applications in power plants, refineries, and petrochemical industries. 4. Galvanized Steel Pipes: These pipes are coated with a layer of zinc to protect them from corrosion. Galvanized steel pipes are commonly used in plumbing systems, water supply lines, and outdoor structures due to their excellent resistance to rust and long-lasting durability. 5. Seamless Steel Pipes: These pipes are manufactured without any welding seam and are often preferred for applications that require high pressure, high temperature, or a smooth inner surface. Seamless steel pipes are commonly used in industries such as oil and gas, automotive, and aerospace. 6. Welded Steel Pipes: These pipes are manufactured by welding two pieces of steel together. They are available in various shapes and sizes and are commonly used in construction, water supply systems, and general engineering applications. 7. ERW (Electric Resistance Welded) Steel Pipes: These pipes are manufactured by passing a high-frequency electric current through the steel strip and then welding the edges together. ERW steel pipes are widely used in oil and gas transportation, structural applications, and fencing. 8. LSAW (Longitudinal Submerged Arc Welded) Steel Pipes: These pipes are made by bending and welding a steel plate into a cylindrical shape. LSAW steel pipes are commonly used in large-scale infrastructure projects, such as oil and gas pipelines and bridge construction. In summary, the different types of steel pipes available include carbon steel pipes, stainless steel pipes, alloy steel pipes, galvanized steel pipes, seamless steel pipes, welded steel pipes, ERW steel pipes, and LSAW steel pipes. The choice of steel pipe type depends on the specific requirements of the application, including factors such as corrosion resistance, strength, temperature, and pressure resistance.

Q:How are steel pipes used in the telecommunications sector?: Steel pipes are commonly used in the telecommunications sector for various purposes. Firstly, steel pipes are used as conduit for underground cable installations. These pipes provide protection and support to the fiber optic cables that carry data and voice signals across long distances. The sturdy nature of steel pipes ensures that the cables remain safe from external factors such as moisture, rodents, and accidental damage. Additionally, steel pipes are used in the construction of telecommunication towers and masts. These structures require a strong and durable material to support the weight of antennas, transmitters, and other equipment. Steel pipes, with their high tensile strength and resistance to harsh weather conditions, are ideal for this purpose. Moreover, steel pipes are used for the installation of overhead communication lines. These lines are often suspended between poles or towers, and steel pipes are used as supports or brackets to hold the cables in place. The corrosion-resistant properties of steel make it a reliable choice for outdoor installations that are exposed to the elements. In summary, steel pipes play a crucial role in the telecommunications sector by providing protection, support, and durability to cable installations, tower constructions, and overhead communication lines. Their strength and resistance to environmental factors make them an essential component in building and maintaining reliable telecommunications networks.

Q:Can steel pipes be used for irrigation pivot systems?: Yes, steel pipes can be used for irrigation pivot systems. Steel pipes are often used in irrigation systems due to their strength, durability, and resistance to corrosion. They can withstand the pressure and stress of the water flow in pivot systems and are less prone to leaks or cracks compared to other materials. Additionally, steel pipes can be easily welded or threaded together, making them a convenient choice for irrigation systems that require a variety of lengths and configurations. However, it is important to consider the specific requirements of the irrigation pivot system and consult with professionals to ensure that the chosen steel pipes are suitable for the specific application.

Q:How do steel pipes perform in marine environments?: Steel pipes perform well in marine environments due to their high strength, corrosion resistance, and durability. They are able to withstand the harsh conditions of saltwater, waves, and extreme temperatures, making them an ideal choice for various marine applications such as offshore oil and gas drilling, shipbuilding, and coastal infrastructure. Additionally, steel pipes can be coated or galvanized to further enhance their resistance to corrosion, ensuring their long-term performance and reliability in marine environments.

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