Method for welding cast steel material containing vanadium

Details Method for welding cast steel material containing vanadium Method for welding cast steel material containing vanadium

B - Operations, Transporting

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78/41

B23K 31/02 (2006.01) B23K 31/00 (2006.01)

Patent

CA 1039541

METHOD FOR WELDING CAST STEEL MATERIAL CONTAINING VANADIUM Abstract of the Disclosure Cast steel materials containing a vanadium component are welded to each other through a first step of build-up welding a vanadium-free metallic material, having a high creep strength at elevated temperatures, individually to the necessary parts of the cast steel material at a place having good welding conditions, and a second step of coalescing the build-up welded parts to each other at a place having less fovourable welding conditions by welding therebetween a vanadium-free metallic material having a high creep strength at elevated temperatures. In this way, cracking of the vanadium-containing cast steel materials on welding can be avoided.

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