Carbon steel pipes are made of ingot or solid round steel perforated and then hot rolled, cold rolled or cold drawn. Carbon steel pipes are divided into hot rolled and cold rolled (drawn) steel pipes. Hot rolled carbon steel pipe is divided into ordinary steel pipe, medium and low pressure boiler steel pipe, high pressure boiler steel pipe, alloy steel pipe, stainless steel pipe, petroleum cracking pipe, geological steel pipe, other steel pipe, etc. email: sales@ whatsapp: 8613964085002 @zhishang @zhishangsteel
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