Nickel-Chromium Alloy Submerged Arc Weld Surfacing Using Metal Powder Filler Additions

We developed a technique for producing nickel-chromium weld overlay claddings at increased metal deposition rates. Addition of supplemental filler metal in the form of atomized powder to the submerged arc surfacing process increases the total metal deposition rate in proportion to the amount of metal powder added. Deposit chemistry, micro structure, and integrity are similar to those produced by conventional, oscillated electrode submerged arc cladding operations.