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Was established in 2006, located in Cangzhou City, Hebei Province, China. We have more than ten years of export business experience.
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ASTM A192 seamless steel tubes are high-pressure carbon steel tubes used in a variety of industries, including power generation, chemical processing, and petroleum refining. They are known for their strength, durability, and ability to withstand high temperatures and pressures.
Oil casing is the lifeline to keep oil well running. Due to different geological conditions, the downhole stress state is complex, and the combined effects of tension, compression, bending and torsional stress act on the pipe body, which puts forward higher requirements on the quality of the casing itself. Once the casing itself is damaged for some reason, it may lead to a reduction in production of the entire well, or even scrap it.
When the well depth is significant, it can isolate formations and protect the middle section of the wellbore prone to collapse, leakage, high pressure, and salinity. Installing technical casing ensures smooth drilling of the lower wellbore and guarantees safety when drilling into oil and gas layers. The technical casing is suspended on the casing head via a casing hanger, and the upper part of the casing head can be connected to cross blowout preventers, thereby preventing blowouts.
"ERW steel pipe" is a straight seam electric resistance welded pipe, which is used to transport vapor and liquid objects such as oil and natural gas. It can meet various requirements of high and low pressure, and occupies a pivotal position in the field of transportation pipes in the world. ERW means resistance welding. Resistance welding has the characteristics of high production efficiency, low cost, material saving, and easy automation.
ASTM A179 covers minimum-wall-thickness, seamless cold-drawn low-carbon steel tubes for tubular heat exchangers, condensers, and similar heat transfer apparatus. A179 steel tubes generally have small diameters and small tolerances. They are precision steel tubes and can be made into U-shaped tubes and coiled tubes.
LSAW steel pipe (Longitudinally Submerged Arc Welding, abbreviated as LSAW) is a professional term for straight seam submerged arc welded steel pipes. It is produced by pressing (rolling) a steel plate into a tube blank in a mold or forming machine, using a single medium-thick plate as raw material, and adopting double-sided submerged arc welding with expanded diameter.
Line pipe: It is to transport the oil, gas or water pumped out of the ground to the oil and gas industry enterprises through the line pipe. Line pipes include seamless and welded pipes, and the pipe ends have flat ends, threaded ends and socket ends; the connection methods are end welding, collar connection, socket connection, etc.
According to the strength of the steel itself, the casing can be divided into different steel grades, namely J55, K55, N80, L80, C90, T95, P110, Q125, V150, etc. Different well conditions and well depths require different steel grades. In a corrosive environment, the casing itself is also required to have corrosion resistance. In places with complex geological conditions, the casing is also required to have anti-collapse performance.
A210C steel tube is a seamless medium carbon steel tube, suitable for boiler tubes, boiler flue tubes, and superheater tubes. A210C has good cold and hot processing performance and welding performance. It is widely used in 300MW, 600MW, and other large-capacity power plant boilers for water walls, economizers, low-temperature superheaters, and other heating surface piping systems, headers, and steam-water pipelines where the working temperature is lower than 500°C.
A106B seamless steel pipe is a seamless carbon steel pipe for high temperature service, mainly used for heating surface pipes of low and medium pressure boilers (working pressure is generally not greater than 5.88Mpa, working temperature is below 450°C); Used for heating surface pipes of high pressure boilers (working pressure is generally greater than 9.8Mpa, working temperature is between 450°C to 650°C), economizers, superheaters, reheaters, petrochemical industry pipes, etc.
Application Scope Of A192 Seamless Steel Tube
Power Generation: ASTM A192 tubes are commonly used in power generation plants for boiler applications. These tubes can withstand high temperatures and pressures, making them suitable for generating steam that drives turbines and produces electricity.
Petrochemical Industry: ASTM A192 tubes are utilized in the petrochemical industry for applications such as refinery processes, chemical plants, and oil and gas processing. These tubes provide reliable heat transfer and are resistant to corrosive environments, ensuring efficient operation and long-term durability.
Heat Exchangers: ASTM A192 tubes are employed in heat exchangers where high-temperature fluids need to be cooled or heated. These tubes facilitate efficient heat transfer, making them suitable for various industrial processes that involve heat exchange.
Boilers: ASTM A192 tubes are commonly used as boiler tubes in industrial boilers, heating systems, and power plants. These tubes ensure the efficient transfer of heat from the combustion chamber to the water, allowing for reliable steam generation.
Automotive Industry: ASTM A192 tubes find applications in the automotive industry, particularly in high-performance engines and racing vehicles. These tubes are used in intercoolers and exhaust systems to enhance heat dissipation and optimize engine performance.
Chemical Composition Analysis
Chemical composition analysis is critical in determining whether the chemical makeup of seamless steel pipes meets industry standards. This analysis is typically conducted using techniques like spectroscopy, photoelectric colorimetry, or traditional chemical analysis methods.
Mechanical Performance Testing
Mechanical performance testing evaluates the load-bearing capacity and overall service performance of seamless steel pipes. Common tests include tensile testing, impact testing, and hardness testing. These assessments determine whether the pipes meet the required standards for yield strength, tensile strength, elongation, impact toughness, and other critical mechanical properties.
Appearance Inspection
The appearance inspection is crucial for identifying surface defects in seamless steel pipes. By examining the pipes for cracks, peeling, bubbles, pits, or other imperfections, inspectors can assess whether the pipes meet quality standards.
Dimensional Measurement
Accurate dimensional measurement is a key aspect of quality control for seamless steel pipes. This process involves measuring the outer diameter, wall thickness, length, and other dimensions of the pipes using tools like outer diameter gauges, wall thickness gauges, and length measuring instruments.
Lightweight: Seamless steel pipes are notably lightweight, weighing only one-fifth of square steel.
Corrosion Resistance: These pipes are resistant to corrosion caused by acids, alkalis, salts, and atmospheric conditions. They also exhibit high-temperature resistance, good impact resistance, and fatigue resistance, requiring no regular maintenance with an effective service life exceeding 15 years.
High Tensile Strength: Seamless steel pipes boast tensile strength that is 8 to 10 times greater than ordinary steel. They also have a superior elastic modulus, offering excellent creep resistance, corrosion resistance, and earthquake resistance.
Mechanical Properties: They have excellent mechanical properties, making them easy to machine.
High Elasticity: Seamless steel pipes are highly elastic, can be reused in mechanical equipment, have no memory, do not deform, and are antistatic.
How To Groove A192 Seamless Steel Tube?
Seamless steel pipes can indeed be grooved, a process that involves creating various types of grooves on the pipe's surface to enhance its performance. Grooving can improve the internal surface area and resistance of the pipe, leading to better fluid delivery efficiency. The grooving of seamless steel pipes can be achieved through several methods, each suited to different applications and requirements. Here's a more detailed look at the common methods used for grooving seamless steel pipes.
Cutting Method
This technique involves using machine tools or specialized cutting tools to carve grooves of specific shapes into the pipe surface. It is ideal for creating intricate groove patterns, handling irregular sizes, or meeting high precision requirements. The cutting method offers flexibility in design but may require precise control and skilled operation.
Rolling Method
In this method, tools such as steel balls or steel wheels are used to roll grooves onto the pipe surface. It is well-suited for simpler groove shapes and more regular sizes. The rolling method is less precise compared to cutting but is efficient for producing grooves in larger quantities or when high precision is not critical.
Moulding Method
This process involves using a mould to imprint grooves onto the pipe surface. It is particularly advantageous for mass production where the same groove pattern is required for a large number of pipes. This method is commonly used for applications like floor heating pipes, where uniformity and consistency are essential.
Spray Rust Removal
This method involves using a high-power motor to drive jet blades that rotate at high speeds, propelling abrasives such as steel sand, steel shot, wire segments, and minerals onto the pipe surface through centrifugal force. This process effectively removes rust, oxides, and other contaminants while also imparting a uniform roughness to the surface due to the high-impact abrasive action.
Tool-Based Rust Removal
In this method, wire brushes and similar tools are used to manually or mechanically polish the steel surface. This approach is effective for removing loose or raised rust, oxide scale, and welding slag. Cold-drawn seamless steel pipes can be cleaned to Sa2 standard using hand tools, and Sa3 standard with power tools. However, tool-based methods may be less effective when dealing with firmly adhered iron oxide scale, and achieving the necessary surface roughness for subsequent coatings may be difficult.
Cleaning with Solvents
Solvents and emulsions are used to remove oils, grease, dust, and lubricants from the steel surface. While this method cleans surface contaminants, it does not remove rust, scale, or welding flux, making it an auxiliary process rather than a primary rust removal method.
Pickling
Pickling typically involves chemical or electrolytic processes to eliminate rust, scale, and old coatings. Chemical pickling is particularly effective for cleaning pipes before further treatments like sandblasting. While it provides a clean and slightly rough surface, the anchor pattern achieved is often shallow, and chemical pickling can have environmental downsides due to potential pollution.
Performance Advantages Of A192 Seamless Steel Tube
Excellent Wear Resistance
The thickness of the wear-resistant layer of the seamless pipe is 3-12mm, and the hardness of the wear-resistant layer can reach HRC58-62. The grinding performance is more than 2-5 times, and the wear resistance is much higher than that of spray welding and thermal spraying.
Excellent impact performance
The seamless pipe is a double-layer metal structure. The wear-resistant layer and the base material are metallurgically bonded. The bonding strength is high. It can absorb energy during the impact process. The wear-resistant layer will not fall off and can be used in vibration and impact Under strong working conditions, this is beyond the reach of cast wear-resistant materials and ceramic materials.
Excellent temperature resistance
The seamless pipe alloy carbide has strong stability at high temperature, and the wear-resistant steel plate can be used within 500°C.The temperature of other special requirements can be customized and produced, which can meet the use under the condition of 1200°C; the wear-resistant materials such as ceramics, polyurethane, and molecular materials cannot meet such high temperature requirements by pasting.
Excellent connection performance
The base material of the seamless pipe is a general Q235 steel plate, which ensures that the wear-resistant steel plate has resistance and plasticity.
It provides strength against external force, and can be connected with other structures by welding, plug welding, bolt connection and other methods. The connection is firm and not easy to fall off. There are more connection methods than other materials.
Excellent processing performance
Seamless pipes can be processed into different standard sizes according to requirements, and can be processed, cold-formed, welded, bent, etc., which are convenient to use; they can be tailor-welded on site, making repair and replacement work time-saving and convenient, and greatly reducing work intensity.
High cost performance
The price of seamless pipe is slightly higher than that of general steel, but considering the service life of the product, as well as repair costs, spare parts costs, etc., its performance-price ratio is much higher than that of general steel plates and other steel products.
Certifications
Our Factory
Our company's business covers the Middle East, North Africa, South America, Southeast Asia, Central America and other regions, with an annual export value of more than 10 million US dollars.
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