Effect of GTAW on the Tensile Strength and Hardness of Mild Steel

Gas tungsten metal arc welding (GTAW) is used to study the effect of base thickness, current and speed on tensile strength hardness mild steel welding. The analysis found that thickness had highest means Taguchi’s design (TD) suggested using higher lower when in order obtain maximum hardness. has showed However, increased proportionally with internal stresses wider heat affected zone (HAZ) increase