Metal-core weld wire with reduced core fill percentage

B - Operations – Transporting – 23 – K

Patent

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Details

B23K 35/22 (2006.01) B23K 35/02 (2006.01) B23K 35/40 (2006.01) B23K 35/30 (2006.01)

Patent

CA 2204344

An improved metal-core weld wire, usable for joint and surface welding, having a steel sheath with a core, and a core composition disposed in the core of the steel sheath, wherein the core composition is between approximately 0.001 - 12.0 % total weight of the metal-core wire. The metal-core wires of the present invention have improved manufacturability. In another embodiment, the core composition includes iron powder in an amount that provides an oxygen content less than approximately 600 ppm in the metal-core wire for producing weld deposits with improved impact strength properties.

Fil à souder à âme métallique amélioré pouvant servir à la soudure par rapprochement et à la soudure des surfaces, ayant une gaine d'acier et une âme, la composition de l'âme placée dans la gaine d'acier constituant de 0,001 à 12,0 % environ du poids total du fil à âme métallique. Les fils à âme métallique de la présente invention sont plus faciles à fabriquer. Dans une autre utilisation, la composition de l'âme inclut une quantité de poudre de fer qui donne un contenu en oxygène inférieur à environ 600 ppm dans le fil à âme métallique afin de réaliser des dépôts de soudage ayant de meilleures caractéristiques sur le plan de la résilience.

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