b'Using the right carbide inserts helps overcome any issues that might arise when rough turning steel.By Alan Richter For example, he said steel withcutting speed to boost productivity.a low carbon content, such as AISIWalters WPP05S and WPP10G D espite a growing trend of light- 1018 carbon steel, often producesmight be the best grades to com-weighting vehicles, as well aslong, stringy chips that are difficultbat crater wear, he said.products produced by other in- to control when turned. To over- Instead of a hard grade, Garud dustries, steel parts still representcome that, Walter USA offers a vari- said a tough grade can do the trick a sizable share of the market, andety of chipbreaker options like FP5when turning steel with a potentially a large percentage of those partsand MP3. problematic forging skin or casting must be turned. In addition, Garud noted thatscale. He recommends WPP30G Machining of steels is quite com- steel workpieces tend to be abra- orWKP30Sgradesforthose mon, said Sarang Garud, productsive, and a hard insert grade, suchapplications.manager for turning, drilling andas WPP10G, can resist the resultantAnother common issue when boring at Walter USA LLC in Greer,flank wear. Crater wear is anotherrough turning steel is notching South Carolina. However, manypossible pitfall, especially when aat the depth of cut when a work-well-known challenges exist. parts manufacturer turns at a highpiece has a poor surface condition As workpiece materials and machining operations have become more complex, so have the tools and coatings to boost metalcutting productivity for manufacturers.Ceratizit USA30APRIL 2023Turning.indd 30 3/16/23 1:46 PM'