PARAMETRIC OPTIMIZATION OF SHIELDED METAL ARC WELDING (SMAW) PROCESS FOR PRESSURE VESSEL WELD USING SA 515 GR 60

Mechanical Engineering

Concept of Optimization of Shielded Metal Arc Welding (SMAW) process parameters for SA 515 gr 60 pressure vessel weld as per ASME sec-IX is presented here. The any type of rupture in pressure vessels causes an explosion which is cause of loss of life and properties. This concept is capable to identify optimum parameter which can be used for welding of pressure vessel joint. Mechanical properties of weld joint affected with groove angle, welding current and electrode diameter. The experimental work was performed with Taguchi method with various ranges of welding current, groove angle and electrode diameter. The mechanical properties like tensile strength, hardness and microstructure of weld joint required to be testing. This study shows that improvement in welding quality of weld joint by improving the mechanical properties of weld joint. The optimum parameters can be achieved by optimization technique, which can be used in pressure vessel weld to achieve excellent weld quality.

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