Le présent document spécifie les exigences relatives à la classification des fils fourrés pour le soudage à l'arc sous protection gazeuse des aciers résistant au fluage et des aciers faiblement alliés résistant à haute température.
ISO 17634:2004 specifies requirements for classification of tubular cored electrodes used in the post weld heat treated condition for gas shielded metal arc welding of creep-resisting and low alloy elevated temperature steels. One tubular cored electrode can be tested and classified with different shielding gases. ISO 17634:2004 is a combined specification providing for classification utilizing a system based upon the chemical composition of all-weld metal or utilizing a system based upon the tensile strength, and the chemical composition of all-weld metal.
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