What is the difference between ordinary thick-walled pipe and seamless steel pipe If accurately speaking, both belong to the hot-rolled seamless steel pipe, but according to people's habits, the ordinary carbon steel called thick-walled pipe (such as 10 # steel, A3 steel), the rest is called seamless steel pipe, there are high-quality carbon steel, low alloy structural steel, alloy steel (such as 45 # steel, manganese steel) No weld, ordinary steel pipe mold is made of the interface with the knowledge of the steel pipe network by 51.
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