1. Select the required brand - such as E71T-GS, E501T-1.
2. The welding workpiece should be degreased and derusted
3. When welding, the gas flow rate is generally 20-25L/min.
4. When welding with flux-cored wire, the dry extension length should be 15-25mm.
5. The humidity in the welding wire warehouse should be kept below 60%
6. The storage time of non-vacuum-packed welding wire should not exceed half a year, and the storage time of vacuum-packed welding wire should not exceed one year