... ABS PVC granules. 3.AC motor. 4.ABB speed governor. 5.Stainless steel material. Pellet Making Machine details:1.Single or ... alloy steel 38CrMoAlA, treated by Nitrogen, Nitriding depth: 0.5~0.7mm,surface hardness: HV740 ~ 9404.Screw inner temperature control ... quality alloy steel-38CrMoAlA, treated by Nitrogen, nitriding depth: 0.6~0.7mm, surface hardness≥ HV940.6.Barrel temperature control system ...