برميل حقن المسمار لآلة صب حقن Chen hsong

Injection screw barrel for Chen hsong injection moulding machine Diameter 45-80mm Min.Order 1 set Materials 38CrMoAIA 42CrMo(JIS SCM440) 9Cr18MoV CW6Mo5Cr4V2 SKD61 Discount  Available Application EVA,ABS,PP,PE,HDPE Payment  Term T/T, L/C Technical  Process   1.Rough Machining 2.Quenching  and Tempering 3.Finish Machining 4.Nitriding 5.Spraying and welding with alloy power 6.Screw polishing   Technological  Parameter  Roughness Ra 0.4um ...