Th e previousthree issues of Inspection Trendshaveaddressed groove weld symbols; fi lletweld symbols; and spot, seam, andprojection weld symbols.T h is article will address basic weld-ing symbol requirements for plug andslot welds. On the surface, both sym-bols appear very similar, but each...
A designation system which defines the strength of a bolt or nut. For metric fasteners, property classes are designated by numbers where increasing numbers generally represent increasing tensile strengths. The designation symbol for bolts consists of two parts: 1. The first numeral of a two digit...