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.
Passing this test isn't just a testament to skill; it is a vital requirement for high-paying jobs in structural steel construction, shipbuilding, and industrial pipe fabrication. What is the 4G Weld Test? 4g weld test
The 4G welding test is a qualification examination used to certify a welder's ability to perform welds in the . In the American Welding Society (AWS) standard designation, the "4" refers to the Overhead position, and the "G" refers to a Groove weld. The 4G overhead welding test is widely considered
| 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 | What is the 4G Weld Test
The following parameters are typical for a 3/8" plate test using 1/8" E7018 electrodes: