DUAL SHIELD CARBON STEEL 3/8" PLATE 3G PLATE TEST FILL PASSES

Root pass 3g settings were the same watch quick video here

3g dual shield Cover pass video here

WELD PROCESS = DUAL SHIELD FLUX CORE, FCAW-G ( GAS SHIELDED)

METAL TYPE = CARBON STEEL 

THICKNESS = 3/8” 

WELD TYPE = groove weld FILL PASSES

JOINT TYPE = butt JOINT 22.5 BEVELS, 1/4” GAP, 1/4” BACKING BAR

POSITION = 3G vertical uphill

VOLTS = 24 volts

WIRE SPEED = 330 IPM

WIRE SIZE = .045” LINCOLN 71M

POLARITY = DCEP

GAS FLOW = 25-30 CFH C25 GAS

CTWD (STICKOUT) = 3/4”-1 “  

FILLER METAL = LINCOLN 71M OUTERSHIELD .045"

ADDITIONAL SETTINGS = 

TIPS:

The first pass shown is a weave over the root. If you are permitted a slight weave, this can be a good option over the root. Some test administrators and procedures strictly limit bead width so be prepare to run stringers beads all the way but stack them carefully so that you have room to penetrate.

A longer stickout aka contact to work distance CTWD of 3/4” to 1” provides best results Using too short a stickout can result in worm tracks

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