10
Filler Rod for TIG Welding
HTP offers you high quality filler rods in affordable
quantities. All filler rod is packaged in 1lb airtight plastic
tubes to keep your filler rod fresh and contaminant free.
The tubes are completely re-sealable.
In TIG welding, the filler rod is fed into the molten puddle
by hand. The choice of filler rod is extremely important as
the rod must correctly match the material and alloy you will
be welding. The thickness of the material to be welded
determines the diameter of the filler rod.
Here are some good rules of thumb to help you select the
correct filler metal:
1) ER70S-6 is generally used for mild steel welding.
2) ER70S-2 is highly recommended for welding 4130
chrome-moly tubing in many applications.
3) ER80S-D2 is recommended for welding 4130
chrome-moly tubing if a higher strength, less ductile
weld is required. If your weld will be heat treated
to obtain optimum strength, then use a filler metal
which matches the chemistry of your tubing, which
neither 70S-2 nor 80S-D2 wires do.
4) Generally speaking, use a 1/16" diameter filler rod
for applications where the material is 1/8" and less.
Use a 3/32" diameter rod for 1/8" and thicker.
The following Filler Rod is available from HTP in 1 lb.
Tubes which are tightly sealed to prevent oxidation.
Part # Material
308L-035-1 308L Stainless Steel Wire .035" x 36"
308L-1/16-1 308L Stainless Steel Wire 1/16" X 36"
70S6-1/16-1 ER70S-6 Steel Wire 1/16" X 36"
70S6-3/32-1 ER70S-6 Steel Wire 3/32" X 36"
70S2-1/16-1 ER70S-2 Steel Wire 1/16" X 36"
80SD2-1/16-1 ER80SD-2 Steel Wire 1/16" X 36"
HTP Filler Rod
Quick Set Up
1) Welding Mode in 2T for foot pedal.
2) Slope Down – 0.3 Seconds
3) Final Current – 10%
4) Post Gas Flow – 5 Sec
5) Remote/Local set to Remote
6) Lift Arc/HF set to HF
7) Ground Clamp plugged into Positive receptacle
8) TIG Torch into Negative receptacle
9) Pulse off
Tungsten Machine Welding Filler
Thickness Diameter Amperage Amperage Diameter
.030" .040" 50 30-40 .035"
.050" 1/16" 70 45-55 .035"
.062" (1/16") 1/16" 80 55-65 1/16"
.093" (3/32") 1/16" 110 80-90 1/16"
.125" (1/8") 1/16" 130 110-120 1/16"
.187" (3/16")* 1/16"-3/32" 150 130-140 1/16"
.250" (1/4")* 3/32" 160 150-160 3/32"
* May require beveling – depends on joint
General Welding Parameters
Following are some “rule of thumb” welding parameters,
tungsten diameters and amperage settings for welding
different thicknesses of steel. Keep in mind these are
general settings and the specific application may require
more or less power to get the job done.
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