contact tips

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OEM Style Mig Tips in Regular, Zirconium and our own Special Alloys

The same high performance, material and manufacturing process as is used for all original equipment contact tips

In some instances C122 DHP or CrZr is an adequate choice. With alloying we can increase several key characteristics creating a Superior Consumable with increased conductivity, even higher softening temperature and improved hardness. This means a reduction in “arc start failures” and increased tip life.

Typical Size Range & Tolerances

Outside Diameter6 – 10mm
Bore Diameter0.7 – 3mm
Tolerance for OD and bore+/-0.05mm

Welding Tip Alloy Comparison

  • Standard DHP (Regular Copper) – world wide standard excellent general purpose.
  • CrZr – (Cr-Chromium Zr-Zirconium) a very hard alloy, has been around for years made for stainless steel and stiff, high column strength or abrasive wires such as Flux cored / Metal cored.

There are 2 main reasons a welding tip wears

1. Common physical wear or abrasion, if you were to place a tip on the wire before the feeder with NO electrical contact, that tip would eventually wear completely through.

2. Electrical erosion is similar to the brushes on an electrical motor or the spark jumping across the gap on a spark plug. As the wire is traveling through the Contact tip at say 300 IPM the electricity has to jump across from the copper tip to the Mig wire. (Hence the name “Contact Tip”) The inside bore of the tip / wire is in constant electrical arcing as this process is happening. Electrical erosion is melting of the welding tip ID.

If you are attempting to get a “sure start” you need to choose the best alloy whether for electrical or physical wear. The next reason a tip wears is to do with heat. As the tip heats from the welding process the properties of the alloys start to break down.

The ability of the tip to dissipate the heat (thermal conductivity) will aid in keeping the tip cooler. The (electrical resistance) of the alloy is also in direct inverse proportion to the electrical conductivity.

As we need a “sure start” and are attempting to jump the gap from the contact tip to wire these two factors play a critical role, if the tip has higher conductivity of electricity it will transfer the current easier (or with less resistance) which will also cause the tip to run cooler.

Resistance equals heat. The additional benefit to higher conductivity is that the arc transfer from the tip to the wire is easier.

Easier arc transfer means a superior “sure start” and less arc failure or wire BURN BACK, sputtering and spatter.

Copper Alloy
Designation
Composition%Softening
Temperature
Electrical Conductivity
%IACS
Hardness
HV
Thermal ConductivityElectrical ResistanceUSA
UNS
Chromium
Zirconium
Cu min 99+
Cr.65 Zr.08
500°C

75

17033523CrZr
Phosphorous
Deoxidized
Cu min 99.9
P 0.015-.040
300°C

85

11533520DHP
C12200
Silver AlloyCu 99
Ag 0.8-1.2
400°C9812539517

CuAg

We Manufacture:

All of our welding tips are made from the highest quality ISO Extruded Tubing.

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Superior Consumables product is backed by proven, documented test results.

For All Your Mig Welding Needs!

Many self proclaimed ORIGINAL manufacturers contract out a large percentage of their consumable manufacturing needs and just charge a higher price for their logo and packaging.  Some even go as far to make statements that the warranty is not valid if their Original brand consumables are not used. The WISE purchaser knows that these statements are false and misleading and are contravening to the MAGNUSON MOSS act in the USA and against the COMPETITION ACT in Canada.

Better welding tips make better welds

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