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According to different welding methods, it can be divided into arc welding pipe, high frequency or low frequency resistance welding pipe, gas welding pipe, furn···
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Carbon steel seems to contain small amounts of silicon, manganese, sulfur, and phosphorus in addition to carbon.
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It is a kind of economic section steel with better mechanical properties, which is optimized and developed from I-section steel. Especially, the section is the ···
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The standard and allowable deviation of seamless steel pipe wall thickness are different. Generally, pipeline construction depends on the situation.
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