Patent ID: 6284392
Filing Date: 2001-09-04
Classification: C22C,Y10S,Y10T

Abstract:
A high temperature resistant nickel base superalloy composition containing small amounts of both boron and zirconium which are effective in combination to provide increased weldability, where the range of boron in the composition is from 0.001 wt % to 0.005 wt. % and the range of zirconium is from 0.005 wt % to 0.05 wt %, and where Zr+B is from 0.011 wt % to 0.06 wt %, also containing, by weight percent: 20.0%-25% Cr; up to 19.5% Co; 3.4%-4.0% Ti; 1.6%-2.2% Al; where Al+Ti is from 5.0%-6.2%, with the balance substantially Ni.