... Material: 38CrMoAlA Appliction: extruder machine Dimension:16-300mm ... infomation about bimetallic single screw barrel for extruder as below:Specification:Screw Diameter: Φ15 ... Cr, Mn, C, Si, Ni, S, P, CuStainless steel: Cr, Ni, Ti, Mn, N, Nb, Mo, ... extruder machine models 5. Main market: Southeast Asia,Eastern Europe, Africa Tungsten carbide alloy single screw and barrel for plastic extruder machine ...