ERW steel pipe

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ERW steel pipe /round tube
1. standard :API 5L GB/T9711.1 GB/T9711.2
2. material : Q195
3. MOQ :10 MT
4. technique : cold rolled

product name : ERW steel pipe /round tube

Description	outer diameterr:14mm-80mm thickness:0.4mm-2.0mm length:5800 material:Q195 pipe surface: oiled smooth
Main usage	oil and water or other liquid transportation, construction,piling and other project
Origin	Tianjin,China
Produce technique	ERW steel pipe
Text certificate	SGS, BV, ISO9001
Delivery time	20days after receipt of the deposit
Main market	middle east, south America ,southest Asia and other parts of the world

Q: How much is 4 inches steel tube MM?: The nominal diameter of the 4 inch steel pipe is DN100, that is to say, the diameter of the center of the pipe wall is 100mm.

Q: How are steel pipes used in the manufacturing of automobiles?: Steel pipes are commonly used in the manufacturing of automobiles for various applications, such as exhaust systems, fuel lines, and structural components. The high strength and durability of steel pipes make them ideal for these purposes, ensuring the safety and reliability of automobiles.

Q: Stainless steel tube, also known as why tube?: The longitudinal section can be divided into equal section tube and variable cross section tubeThe variable section tube has a conical tube, a stepped tube and a periodically cross section pipe, etc.

Q: What is the difference between steel pipes and PEX pipes?: Steel pipes are made from steel, a durable and strong material, while PEX pipes are made from cross-linked polyethylene, a flexible and lightweight material. Steel pipes are typically used for high-pressure applications, such as plumbing systems in commercial buildings, while PEX pipes are commonly used in residential plumbing due to their ease of installation, resistance to freezing and bursting, and lower cost. Additionally, steel pipes require threading and soldering for connections, while PEX pipes use push-fit or crimp fittings, making them easier to work with.

Q: How are steel pipes tested for leakage?: Steel pipes are tested for leakage using various methods, including hydrostatic testing, pneumatic testing, and ultrasonic testing. Hydrostatic testing involves filling the pipe with water or another liquid and subjecting it to high pressure to check for any leaks. Pneumatic testing, on the other hand, involves pressurizing the pipe with air or gas to detect any leakage. Ultrasonic testing utilizes sound waves to identify any defects or leaks in the pipe by measuring the time it takes for the sound waves to bounce back. These testing methods ensure that steel pipes meet the required standards and are free from any leakage.

Q: What are the different manufacturing standards for steel pipes?: Various manufacturing standards for steel pipes are widely recognized and implemented in the industry, ensuring that specific requirements and quality standards are met. Some of the most common standards for steel pipes are as follows: 1. ASTM (American Society for Testing and Materials): Widely used in the United States, ASTM standards encompass a wide range of steel pipe specifications. These standards include specifications for seamless and welded pipes, as well as different grades and dimensions. 2. ISO (International Organization for Standardization): Globally recognized, ISO standards provide guidelines for steel pipe production. They cover areas such as dimensions, materials, testing, and quality control. 3. EN (European Norm): Applicable in Europe, EN standards specify various types of steel pipes. They cover dimensions, materials, manufacturing processes, and testing. 4. JIS (Japanese Industrial Standards): Widely used in Japan and internationally recognized, JIS standards cover dimensions, materials, and testing methods for steel pipes. 5. BS (British Standards): Commonly used in the United Kingdom, BS standards encompass a range of steel pipe specifications. They include requirements for dimensions, materials, and testing procedures. 6. API (American Petroleum Institute): Specifically developed for the oil and gas industry, API standards cover different aspects of steel pipe manufacturing. They include specifications for seamless and welded pipes used in oil and gas exploration, production, and transportation. Manufacturers, buyers, and users of steel pipes should be aware of these standards to ensure the quality, compatibility, and reliability of the pipes. Compliance with these standards helps to ensure that the steel pipes meet necessary requirements and are suitable for their intended applications.

Q: How are steel pipes used in railway infrastructure?: Steel pipes are used in railway infrastructure for a variety of purposes. They are primarily used for constructing and maintaining railway tracks, as they serve as the support structure for the rails. Steel pipes are also used for the fabrication of various components such as bridges, signal systems, and overhead power lines. Additionally, steel pipes are utilized in the construction of tunnels, culverts, and drainage systems to ensure proper water management along the railway lines.

Q: Can steel pipes be used for bridge piling?: Yes, steel pipes can be used for bridge piling. Steel pipes are commonly used in bridge construction due to their strength, durability, and resistance to corrosion. They provide sufficient load-bearing capacity and can be driven deep into the ground to provide stable support for bridges.

Q: How are steel pipes used in agriculture?: Steel pipes are widely used in agriculture for various purposes. One common application is irrigation systems. Steel pipes can be used to transport water from a water source, such as a well or a reservoir, to different areas of a farm. These pipes are durable and can withstand the pressure of water, making them ideal for long-distance water transportation. Additionally, steel pipes are also used for drainage systems in agriculture. They can be used to remove excess water from fields, preventing waterlogging and ensuring proper drainage. Steel pipes are resistant to corrosion, which is important in agricultural settings where they may be exposed to moisture and various chemicals. Moreover, steel pipes are used in the construction of greenhouse structures. They provide structural support for the greenhouse framework and allow for the installation of irrigation systems and other equipment. Steel pipes are strong, sturdy, and can withstand harsh weather conditions, making them suitable for greenhouse construction. Furthermore, steel pipes are utilized in livestock farming. They are commonly used to create fences and enclosures for animals, providing a secure and durable barrier. Steel pipes are also used in the construction of animal shelters and barns. In summary, steel pipes play a crucial role in agriculture. They are used for irrigation systems, drainage systems, greenhouse construction, and livestock farming. Their durability, strength, and resistance to corrosion make them an excellent choice for various agricultural applications.

Q: What are the factors to consider while selecting steel pipes for a project?: When selecting steel pipes for a project, some important factors to consider include the intended application or purpose of the pipes, the required strength and durability, the size and dimensions needed, the corrosion resistance requirements, the availability and cost, and any specific industry standards or regulations that need to be met.

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