30.20 May 8, 2026
ISO
ISO/TC 44/SC 3
International Standard
ISO 17634:2015 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. It 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.
PUBLISHED
ISO 17634:2015
IN_DEVELOPMENT
ISO/CD 17634
30.20
CD study/ballot initiated
May 8, 2026
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