... ingot by EB and VAR process is the main raw material of various tantalum mill products for wide application areas, such as ... chemical, oil, medical, manufacturing, processing, etc.Tantalum spindle's chemical compositionsClassForeign inclusion,%,≤OCNHFeNiCrSiTD-00.010.0050.0030 ... .080.0050.050.020.0050.0050.0050.005 High Purity Tantalum Ingot