... structure, machinery, container, furniture structure etc. AISI 1020 square pipe surface treatment: Hot galvanized, cold galvanized, ... rust oil,3PE,or as per customers\\\\\\\' requirements AISI 1020 square pipe additional service: Cutting(NC Cutting), drill ... , machining, welding, galvanization AISI 1020 square pipe packaging and delivery details: Packaging Detail: Standard ...