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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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Q235 welded steel pipe is carbon structural steel (GB/700-2006) Q235 welded steel pipe, also known as welded pipe, is made of steel plate or strip after curling···
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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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