For the Visual and Dimensional of Welds in welded meetings and used Assay Norm PR-059/2004, that has as acceptance criteria: 1. Meeting of top, to consider unacceptable: Trinca, Lack of fusing, Lack of Penetration, Concavity with bigger depth that 2mm, Insufficient Deposition, Isolated Pore, Grouped Porosity, Mordedura in the face or root with bigger depth that 1mm, Overlapping, Opening of Arc, Respingo, Disaligns superior mento 2mm, Embicamento or the 5 superior daily pay-deformation ? , Perforation, Height of the reinforcement of the face and the penetration of the root above of the specified one in the table following: Table of specification of the height of the reinforcement of the face and the penetration of the root nominal Thickness of the base metal maximum Height e. 6,4mm 1,6mm 6,4mm < e. 12,7mm 2,4mm 12,7mm < e. 25,4mm 4,0mm and > 25,4mm 4,8mm 2. Meetings of angle to consider unacceptable: Bigger difference between legs that 3,2mm, Dimensions of legs below of the indicated minimum value in the table below: Table of specification of difference of legs nominal Thickness of the soul minimum Value of leg e. 9,5mm 9,5mm 9,5mm < e. 12,7mm 12,5mm 12,7mm < < 15,9mm 16,0mm and > 15,9mm 22,0mm DEVELOPMENT 1.

Steel Carbon the welding and normally carried through with the located application of heat and/or plastic deformation in the together one to be welded. As result, we have significant alterations in the properties of the metal base. These alterations depend on the occured reactions during the heating/cooling of the fusing puddle. This rank, and of great importance for the professionals who atuarao in the construction and manufacture of the project the knowledge of the materials of base used for the construction/manufacture. The steel and one bind iron-carbon that will count generally between 0,008% ties 2.11% of carbon, beyond other elements that result of the manufacture processes. gotten from the iron gusa I eliminate that and produced in the high ovens of the siderurgical plants in the sector of it would aciaria.