Patent ID: 8168306
Filing Date: 2012-05-01
Classification: B23K,Y10T

Abstract:
1. A ferrous or non-ferrous material structure for use in the oil, gas and/or petrochemical industry comprising: two or more segments of either ferrous components, or non-ferrous components, wherein the two or more segments are of the same base metal and fusion welds bonding adjacent segments of the components together, wherein the fusion welds necessarily include a filler material, wherein the welds comprise a non-ferrous weld metal composition that is substantially different from the metal composition of the two or more segments, wherein the non-ferrous weld metal composition is Ti64 or a composition including a combination of both nickel and cobalt, wherein the combination of both nickel and cobalt is at greater than 50 wt. % of the composition, and wherein the ferrous or non-ferrous components are chosen from a plain carbon steel, a cast iron, a high carbon steel having a CE equal to or greater than 0.48, a cobalt based alloy, a nickel based alloy, and a titanium based alloy with the proviso that when the components are a titanium based alloy, the non-ferrous weld metal composition is not Ti64, and when the components are a nickel based alloy, the non-ferrous weld metal composition is not a combination of both nickel and cobalt.