Fully Automatic ERW / HF Welding Steel Square Tube Making Machine Pipe Mill TECHNICAL PARAMETERSERW32Mainly used for the production of stainless steel tube,be widely used in many areas,such as:chemical engineering,madicine,petroleum,food,automobile,paper-making industry,ari conditioning and so on. PRODUCT PROCESSESSingle or double side uncoiler-leveling section-forming section-HF welding stage-outside weld bead remove section-sizing section and straightening section-cut off-end product uplo...