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The black steel pipe is an important steel pipe that is used in oil and petroleum industries. Although the black steel pipe is a kind of seamless welded steel pipe, we know not much about the seamless steel pipe, its function, manufact...
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The black steel pipe is the refined seamless welded steel pipe. During the production of the black steel pipe, there is a black oxide material forming on is surface, which is the name resource of black steel pipe. However, this black o...
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Black steel pipes and galvanized steel pipes are all widely used welded steel pipe. In modern society, the pipes have an important function and are utilized in delivering gas and water, so they are used in industries as well as househ...
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This new manufacture technique of a kind of API steel pipe which belongs to straight seam welded steel pipe is being widely accepted around the world. As a matter of fact, the API steel pipe is a kind of welded steel pipe that has no ...
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With the sustainable development of the economy, the country strives to develop the energy industry. And the oil and gas pipeline of long distance is an important way to ensure the3 energy. During the corrosion prevention of the oil a...
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During the production of the API steel pipe, a main kind of the welded steel pipes, it has obvious brittleness of high temperature tempering, causing lower and unstable impact strength. There are two methods to address this problem. One...
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We supply the following products: API steel pipe | black steel pipe | welded steel pipe