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Q & A

There are several impact testing methods used for seamless steel pipe, including Charpy V-notch test, Izod test, and drop weight tear test. These methods involve subjecting the pipe to a specific amount of force or energy and measuring the resulting deformation or fracture. The results of these tests help to determine the material's resistance to brittle fracture and its overall toughness, which are crucial factors in ensuring the reliability and safety of the pipe in various applications.

The main difference between seamless and welded steel pipe lies in their manufacturing process. Seamless steel pipes are made from a solid cylindrical piece of steel called a billet, which is heated and then stretched to form a seamless tube. On the other hand, welded steel pipes are made by welding two or more pieces of steel together to create a continuous pipe. This welding process can be done either by using a high-frequency electric current (ERW) or by melting the edges of the steel and joining them together (SAW or LSAW). While seamless pipes offer higher strength and a smoother interior surface, welded pipes are more cost-effective and suitable for applications that do not require high pressure or temperature resistance.

Yes, seamless steel pipes can be used for onshore applications. They are commonly used in various industries such as oil and gas, construction, and infrastructure development for transporting fluids, gases, and solids in onshore environments. Their seamless nature helps to ensure high strength, durability, and resistance to corrosion, making them suitable for onshore applications where reliability and performance are crucial.

There are several types of seamless steel pipes, including carbon steel pipes, alloy steel pipes, stainless steel pipes, and duplex steel pipes.

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