Steel pipe machine Technique flow chart Uncoiling-> Material accumulating-> Leveling-> Forming-> High-frequency welding-> Deburring-> Cooling-> Sizing-> Straightening-> Flying saw cutting -> Discharging Technique parameter         TypeRound pipeThicknessSpeedDriving motorHF welderTY16φ7.5-φ160.3-1.00-1102260TY20φ10-φ250.3-1.50-1104560TY32φ13-φ380.6-1.80-10075100TY50K76φ20-φ760.8-2.50-9090+90200TY60φ25-φ761.0-3.20-8090+90200TY76K89φ32-φ891.2-4.00-80132+132300TY89φ35-φ1021.2-4.00-70132+132300TY114φ40-φ1141.2-4.00-60132+132300TY127φ50-φ1302.0-6.00-50132+132400Main parameter of Forming & Sizing unit      SectionPartQuantityShaft MaterialRemarksForming unitHorizontal roll frame742CrMoVertical roll frame840CrSizing unitHorizontal roll frame542CrMoVertical roll frame540Cr