Section 15 Base metals and articles of base metal 81 Other base metals; cements; articles thereof 81 01 Tungsten (wolfram) and articles thereof, including waste and scrap. 81 01 99 Bars and rods, other than those obtained simply by sintering; profiles, sheets, strip 81 01 99 10 Bars and rods, other than those obtained simply by sintering; profiles, sheets, strip Commodity Code Description 81 01 99 10 00 Bars and rods, other than those obtained simply by sintering; profiles, sheets, strip