Tungsten carbide rods are mostly applied for drill bits, end mills, and reamers with sub-micron grain grade YG10X, for non-ferrous precision cutting and wood cutting with grade YG6X, and for fiberglass reinforced plastics, titanium alloys, hardened steel with ultra-fine grain grade YG8X, etc.
Cast tungsten carbide welding rods are mainly used as pile-up welding on the surface of metal parts to enhance its wear ability. Generally, YZ20 - 30g is used in thick electrode surfacing work and work requirements for scraping role of the parts and components. If required welding layer is 3 to 4 mm, using YZ30 - 40g multi-electrode; and if surfacing request is thin layer formation, the best choice is YZ40 - 60g or more granular tubular alloy electrode.
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