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Using Narrow Groove J-Bevels, PPC’s HWT Welding Process minimizes both the arc time and the total heat input required to complete a weld. This maintains better mechanical properties in both the base and weld metal. The process is done in 1G Rolled Position and runs a continuous bead from root to cap, and minimizes the chance of repairs associated with starts and stops. Interpass temperatures are continuously monitored by the welding control and typically stay below allowable limits with no additional cooling.
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