Knowledge of steel pipe: What is the difference between ordinary thick-walled pipe and seamless steel pipe?

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.

Transparent Iron Oxide for Ink

Red Iron Oxide,Black Iron Oxide,Ferric Oxide Yellow,Ferric Oxide Pigment

TINOX CHEMIE GMBH , https://www.tinoxglobal.com