203 This article can be downloaded from http://www.ijmerr.com/currentissue.php Int. J. Mech. Eng. & Rob. Res. 2012 Ajit Hooda et al., 2012 OPTIMIZATION OF MIG WELDING…
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304-s W ELD ING RESEARCH Introduction Microalloyed steels of high strength and low alloy (HSLA) have an excellent combination of properties (high yield strength, toughness,…