4g Weld Test Jun 2026

The 4G overhead welding test is widely considered one of the most difficult welder qualification tests due to the physical demands and the need to combat gravity. Success requires a combination of correct machine settings (lower amperage), precise body positioning, and steady hand-eye coordination.

| Pass | Electrode | Amperage Range | Voltage (Approx) | Travel Speed | | :--- | :--- | :--- | :--- | :--- | | | E6010 / E7018 | 85 – 100 Amps | 20 – 22 V | Slow/Medium | | Fill | E7018 | 100 – 125 Amps | 21 – 23 V | Medium | | Cap | E7018 | 100 – 120 Amps | 21 – 23 V | Medium | 4g weld test