LARGE DIAMETER HIGH FREQIENCY WELDED PIPE LINE

上捲→開卷→頭尾矯平→剪切對焊→活套儲料→成型→焊接→水冷→定徑

→切斷→輸出→平頭倒稜→水壓試驗→成品收集

loading coil→uncoil→leveling→cutting and butt welding→looping

→formingl→high frequency welding →water cooling→sizing→cutting off

→transport→flat head chamfering →hydraulic testing→collection