... metal. 3.BEST quality Tungsten carbide board for punch dies,stamping dies, step dies Grade Performance & ... Fine grade alloy, with good wear resistance, used for processing blades,wear resistance parts etc.YM814. ... parts etc.YM1514.5 2500 87.5 Used for punch dies,stamping dies and wear resistance parts. ... YM2013.5 2800 85.5 High bending strength,used ...