Q345B cold drawn square pipe has good stability and is a composite structure. Resin epoxy la coating sant te fòse anfòse fif tēyè a.The combination of this structure allows the steel pipe to have better stability. Fif a se pa sèlman fasil pou kòòde nan figi diferan medikaman ki corrosive, men gen tou yon relativement estab koefisyan développe, se konsa yo frèt desine fif kare pa fasil pou deforme apre sèvi ak ka efficacement extende vi servis la nan sistèm fif a.
