Welding Wear Resistant Steels
JADCO • Rich F.2024-04-22T14:55:05-04:00Avoid These Problems Welding Wear Resistant Steels.
JADCO is dedicated to deliver outstanding results, every time you use our industry leading family of wear resistant steel products.
Weld Porosity
Porosity can be a common issue when wire welding using GMAW or FCAW.

The pin holes shown here was caused when the contact tip was recessed 3/8” into the nozzle.
For solid and flux-cored wires using shielding gas, the contact tip should be flush with the nozzle. (SEE ILLUSTRATION BELOW)
Installing the correct length nozzle and contact tip, eliminated this problem.
- 1. Wind blowing away your shield gas.
- 2. Surface contamination: scale, rust, paint, dirt, etc.
- 3. Inadequate gas flow to protect the weld.
- 4. Excessive gas pressure causing turbulence.
- 5. Nozzle too far from work.
- 6. Contact tip recessed to far into nozzle.
- 7. Wrong voltage or wire feed (amperage) settings.
- 8. Moisture in shield gas.
Porosity in your weldments not only dramatically reduces weld strength; it is often the start of a crack.
Welding Stick-Out

For solid and flux-cored wires using shielding gas, the contact tip should be flush with the nozzle.
The distance from the end of the contact tip to the work is called the Stick-Out. The correct wire stick-out for most FCAW used to install wear plate is ½” to ¾”.
When this distance is increased,
several things start working against you.
- 1. The further from the work, increases the chance of your shielding gas blowing away.
- 2. The further the wire extends to contact the work, you lose amperage. Have you seen your wire glow orange? Resistance in the wire is reducing the amperage for the weld. This results in unsatisfactory weld penetration.
- 3. Follow the recommended Stick-out distance for each specific wire for proper welding. In the drawing above, notice the contact tip is recessed into the nozzle. Add the distance within the nozzle, to the wire extending ¾” past the end of the nozzle. The total is now over 1” of stick-out. You are now beyond the recommended welding parameters. The end result is poor-quality welds, of questionable strength.
For most wires, the contact tip and nozzle need to be flush.
Please pass along these important tips to your crew, so everyone uses the correct information.
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