Middle Chrome Balls
Sep 15, 2009
Chrome steel balls: Dia:10mm-130mm, HRC:42min, Microstucture:P C:2. 0-3. 2, Si:1. 2max, Cr:2. 0-7. 0, Mn:0. 5-1. 5 Middle Chromium Mini_Balls, chrome steel balls: C , Si , Mn , Cr , S, P , Mo, Al, Cu, Ni, Nb, Ti, Zr, V, B, Mg specification(mm)of.....