... machine Dimension:15-300mm Effective length:4000mm Bimetallic layer: cobalt-base Chenshi Machinery is a professional manufacturer for all kinds of ... , N, Nb, Mo, Si, CuSKD61: C, Si, Mn, Cr, Mo, V, S, PFerrous alloy: Fe, Cr, Si, Ni, BNickel alloy: Ni ... models 5. Main market: Southeast Asia,Eastern Europe, Africa Cobalt-base alloy single plastic extruder screw barrel