Tag Archives: PWHT

Portable Post Weld Heating Treatment System With Induction  Main Application: l  Preheat: weld heat,coating, spraying, bending, fitting&unfitting heat l  Post-weld heat treatment: tank, boile, pipeline, steel sheet or other metal jobs l  InductionHeat: mold heating, shipboard, zinc bath, large& irregular metal parts l  Pipeline material heat: pipeline oil, pipeline gas, pipeline water, pipeline petrochemical and […]

Induction Preheating Welding Steel Pipe With High Frequency Heating System Objective To preheat a steel pipe to 500ºF (260ºC) before welding. Material Steel shaft assembly 5” to 8” OD (127-203.2mm) with a 2” (50.8mm) heat zone. Temperature 500ºF (260ºC), if higher temperatures are required, heat time can be increased. Frequency 60 kHz Equipment • DW-HF-60kW induction heating […]