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2023-11-10Product News
Advantages Of Oil And Gas Pipeline Transportation
Oil and gas pipeline transportation offers several advantages that make it a commonly used method of energy transportation. Here are some of the key advantages of oil and gas pipeline transportation.
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2023-11-10Product News
Precautions for Using Oil Casing
Oil casing is a type of pipeline equipment used in oil well drilling and production, mainly used to transport oil, natural gas and water. In this article, United Steel Industry will introduce some precautions when using oil casing.
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2023-11-10Product News
Seamless Steel Pipe Weld Treatment
Seamless steel pipes have no obvious welds during the manufacturing process because they are formed by overall heating and rolling. However, weld seam preparation is usually a step in the production of steel pipes related to welding, especially for steel pipes made by welding, such as long welded seam steel pipes. The following are some steps and methods for welding seams.
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2023-11-09Product News
Repair of S355 LSAW Steel Pipe Transverse Crack
With the development of the national economy, thick-walled LSAW steel pipes are increasingly used in offshore platforms, high-temperature and high-pressure vessels, wind power pipe piles and other fields. The production of such steel pipes generally uses D36 steel, S355 steel and structural steel plates with Z-direction properties. The plate thickness is large, the carbon content is high, and the carbon equivalent is high. The weldability is poor and the hardenability tends to increase. The welding performance of the joint is reduced and cold cracks are prone to occur, especially transverse cracks. This article will take S355 LSAW steel pipe as an example to explain how to repair transverse cracks. Continue reading to learn more.
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2023-11-09Product News
Welding Precautions of 304 Stainless Steel Pipe
304 stainless steel is the most widely used heat resisting steels, which offers good corrosion resistance to many chemical corrodents as well as industrial atmospheres. 304 stainless steel pipe is a tubular shaped pipe of 304 stainless steel, which pocess has excellent mechanical properties, good formability and can be readily welded by all common methods. In this article, we will talk about welding precautions of 304 stainless steel pipe.
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2023-11-09Product News
201 Stainless Steel Welded Pipe Welding Method
201 stainless steel welded pipe is normally produced from 201 stainless steel stripes by welding, including round,square and rectangular shape. The outer surface of 201 stainless steel welded pipe is normally mirror polished. And if customer needed, we - United Steel Industry can polish both inside and outside of the pipes. This article will talk about 201 stainless steel welded pipe welding method.
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2023-11-08Product News
DIN 2391 Cold Drawn Seamless Steel Pipe
The DIN 2391 standard specifies seamless steel pipes for mechanical and automotive applications. DIN 2391 seamless steel pipe has high precision, good surface quality, good straightness and excellent economy. Therefore, DIN 2391 seamless steel pipe is widely used in the assembly of anatomical parts and mechanical parts. In addition, manufacturing DIN 2391 cold-drawn steel pipes can improve material utilization, save materials and processing hours, and simplify the manufacturing process. Today, let’s explore further DIN 2391 cold drawn seamless steel pipe.
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2023-11-08Product News
Introduction To ASTM A234 WPB Pipe Fittings
ASTM A234 serves as the standard guideline for carbon and alloy steel fittings, both forged and available in both seamless and welded variants. These fittings are extensively employed in the construction of pressure pipes and vessels, catering to applications in environments with moderate to high temperatures. Among the various material grades, WPB stands out as the most prevalent choice for pipes subjected to medium to high-temperature conditions. The designation is significant: 'W' signifies weldable, 'P' designates pressure, and 'B' indicates the minimum yield strength. The A234 WPB pipe fittings encompass a range of components, such as elbows, bends, tees, reducers, end caps, crosses, lap stubs, and pup joints.
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2023-11-08Product News
ASTM A213 T22 Alloy Steel Pipe
The ASTM A213 T22 standard encompasses seamless tubes made from ferritic and austenitic steel, designed for use in boilers, superheaters, and heat exchangers. These tubes come in designated grades such as T5, T11, T22, T91, and more. Grade T22 steel belongs to the category of 2.25Cr-1Mo low alloy steel, offering excellent thermal strength, superior oxidation resistance, resistance to hydrogen-induced corrosion, and strong welding capabilities. It finds widespread applications in high-temperature equipment, including but not limited to petrochemical installations, nuclear power facilities, and boiler systems within power plants. Today, we'll delve deeper into the attributes and uses of ASTM A213 T22 alloy steel pipes.
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2023-11-07Product News
Quality Evaluation Process Of ERW Steel Pipes
ERW (Electric Resistance Welded) steel pipe is made from steel coils or plates with welds running parallel to the pipe. The quality evaluation process for ERW steel pipes typically involves multiple steps to ensure that these pipes meet specifications and standards and are suitable for their intended use. The following is the general ERW steel pipe quality evaluation process.
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2023-11-07Product News
ASTM A135 Grade A And Grade B ERW Steel Pipe
ASTM A135 is a standard issued by the American Society for Testing and Materials (ASTM) that specifies the requirements for welded carbon steel pipes, specifically electric resistance welded (ERW) welded steel pipes. ASTM A135 ERW steel pipe covers two grades, Grade A and Grade B, which are mainly used to transport gas, steam, water or other liquids, especially suitable for fire sprinkler pipes. Continue reading to learn more about ASTM A135 Grade A and Grade B ERW steel pipe.
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2023-11-06Product News
ASTM A672 Carbon Steel Welded Steel Pipes
ASTM A672 Pipe is the standard specification for electric fusion welded steel pipe for medium temperature and high pressure applications. Pipes are widely used in oil and gas, power plants, boilers, ships and other industries due to their durability, corrosion resistance and dimensional accuracy. In this article, United Steel Industry will introduce you to the relevant content of ASTM A672 carbon steel welded steel pipe.
