Le présent document spécifie les caractéristiques de classification des baguettes, fils d'apport et métaux déposés à l'état brut de soudage, pour le soudage à l'arc sous atmosphère inerte des aciers non alliés et des aciers à grains fins ayant une limite d'élasticité minimale inférieure à 500 N/mm carré à l'état brut de soudage.
ISO 636:2004 specifies requirements for classification of rods and wires in the as-welded condition and in the post-weld heat-treated condition for tungsten inert gas welding of non-alloy and fine grain steels with a minimum yield strength of up to 500 MPa or a minimum tensile strength of up to 570 MPa. ISO 636:2004 is a combined specification providing classification utilizing a system based upon the yield strength and the average impact energy of 47 J of all-weld metal, or utilizing a system based upon the tensile strength and the average impact energy of 27 J of all-weld metal.
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