... , Si, Mn, Mo, Al, Ni, Cu, P, S40Cr: Cr, Mn, C, Si, Ni, S, P, CuStainless steel: Cr, Ni, Ti, Mn, N, Nb ... barrel for various models 2. Professional engineers design for you 3. Thousands of drawings can supply for you 4. Insist on ... machine models 5. Main market: Southeast Asia,Eastern Europe, Africa Stainless steel single screw barrel for extruder machine