WELDING JOINT AND STEEL HAVING EXCEPTIONAL GALVANIC CORROSION RESISTANCE

摘要

[project] provides the steel and welding point also when being welded to connect Dissimilar Steels with good resistance to eating property. [solution] quality, C:0.01~0.30%, Si:0.1~1.0%, Mn:0.1~2.0%, P:0.04% hereinafter, S:0.03% hereinafter, Al:0.010~0.10%, Cu:0.3~3.0%, Ni: 03~5.0%, Ti:0.010~0.10%, Ca:0.0005~0.0050%, N:0.0020~0.0080, O:0.0010% hereinafter, remaining part is Fe and inevitable impurity, is 0. in the N * that the following Expression 1 is definedThe outstanding steel of 0001% resistance to differential metals contact corrosion below. 1: N * of formula=[N] -0.Still, [] is the content (quality) of each chemical component to 29 × [Ti]. Scheme without selection