Abstract
Hard Facing. The Czechoslovakian Welding Research Institute, Bratislava, has developed a corrosion‐resistant, hard‐wearing alloy containing nickel, chromium, iron and boron which is said to be particularly useful as a hard‐welded facing for pump shafts, valve seats and plugs and similar equipment used in tough corrosive conditions. The boron is present in the form of nickel and chromium borides deposited evenly throughout the nickel‐chromium matrix.
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