340P163069 - ESAB M6 x 28mm CuCrZr Contact Tip for 1.6mm Wire

Industrial Grade CuCrZr Contact Tip for 1.6mm Wire Applications

The ESAB 340P163069 Contact Tip represents the professional standard for high-amperage MIG/MAG welding applications utilizing 1.6mm (0.062") wire. Engineered from Copper Chromium Zirconium (CuCrZr), this consumable is specifically formulated to address the thermal and mechanical stresses inherent in heavy industrial welding. While standard E-Cu tips are sufficient for low-amperage short-circuit welding, they often fail prematurely under the high thermal loads associated with spray transfer or pulsed arc modes used with 1.6mm wire. CuCrZr alloy maintains its structural integrity and hardness at significantly higher temperatures (softening point approx. 500°C) compared to standard copper, preventing the "keyholing" or ovalization of the exit bore that leads to arc instability.

This tip features a precision-cut M6 thread and a total length of 28mm, a common geometry for many European and global standard MIG torches. The electrical conductivity of the CuCrZr alloy is optimized to ensure efficient current transfer to the moving wire with minimal resistive heating at the contact point. This is critical for 1.6mm wire, which typically carries high current densities. A stable electrical contact point ensures consistent arc voltage and reduces the likelihood of micro-arcing inside the tip, which is a primary cause of wire burnback and fusion to the tip wall.

For professional fabricators and welding engineers, the choice of contact tip material is a direct factor in Overall Equipment Effectiveness (OEE). The superior wear resistance of this ESAB tip translates to reduced downtime for consumable changes and lower long-term consumable costs. The bore tolerance is strictly controlled to provide the optimal balance between feedability and electrical contact. If the bore is too tight, friction increases; if too loose, the arc wanders. ESAB's manufacturing process ensures this balance is maintained, providing a centered, stable arc column essential for meeting radiographic quality standards in heavy plate fabrication.

Technical Specifications & Performance:

• Material Classification: CuCrZr (Copper-Chrome-Zirconium) – High hardness and high softening temperature.
• Geometry: M6 Thread x 28mm Length – Standardized fitment for broad compatibility.
• Wire Compatibility: 1.6mm (1/16") – Optimized for heavy deposition rates.
• Failure Mode Resistance: High resistance to annealing and mechanical erosion from wire friction.
• Application Suitability: Ideal for automated welding, high-duty cycle manual welding, and pulsed MIG processes.