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...
The designation system for metric nuts is a single or double digit symbol. The numerals approximate 1/100 of the minimum tensile strength in MPa. For example a nut of property class 8 has a minimum tensile strength of 800 MPa. A bolt or screw of a particular property class should be asse...