D667堆焊焊条EDZCr-B-15焊条D667EDZCr-B-15HRc≥48.Resistancetowear,gascorrosionandoxidation.Hardfacingofblastfurnacehopperandcrackerpart.HRc≥48，耐磨、耐气蚀、***化。堆焊高炉料钟、破碎机件D802EDCoCr-A-03HRc38-47.Resistancetoheat,wearandcorrosion.Hardfacing)