Filler composition for high yield strength base metals

B - Operations – Transporting – 23 – K

Patent

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B23K 35/36 (2006.01) B23K 9/173 (2006.01)

Patent

CA 2529744

A weld wire of the present invention comprises a steel sheath encapsulating a fluxed core having a combination of fluxing compounds and alloying elements. The fluxing compounds comprise up to 2%Wt of fluoride compounds and up to 49%Wt of oxide compounds. The alloying elements comprise Mn, Ni, Co, Ti and up to about 0.98%Wt of C. The amount of Co is sufficient to produce a ferrite- bainite weld metal morphology of a resulting weld. A yield strength of the resulting weld was measured from about 95 ksi to about 111 ksi.

L'invention concerne un fil de soudage qui comprend une gaine d'acier enrobant une partie centrale additionnée de fondant comportant une combinaison de fondants et d'éléments d'alliage. Les fondants comprennent jusqu'à 2 % en poids de composés de fluorure et jusqu'à 49 % en poids de composés d'oxyde. Les éléments d'alliage comprennent Mn, Ni, Co, Ti et jusqu'à 0,98 % en poids de C. La quantité de Co est suffisante pour produire une morphologie de métal de soudage ferrite-bainite d'une soudure résultante. Une limite conventionnelle d'élasticité de la soudure résultante a été mesurée entre environ 95 ksi et environ 111 ksi.

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