| Weirui Screw, Barrel and Front End Components Material Selection Table | |||
| Products | Grade | Material | Applications |
| Barrel | Nitrided |
SACM645, ACM2, 38CrMoAL (Chromium/Molybdenum/Aluminium alloy steel, Nitided HRC >68, T0.5mm ) |
For most Rubber materials : Natural Rubber, Synthetic Rubber, Liquid Silicon Rubber |
| Screw | Nitrided |
SCM440, ACM2, 42CrMo, 38CrMoAL, DH2F (Chromium/Molybdenum/Aluminium alloy steel, Nitrided HRC >63,T0.08mm) |
|
| Plunger | Nitrided |
SCM440, ACM2, 42CrMo, 38CrMoAL, DH2F (Chromium/Molybdenum/Aluminium alloy steel, Nitrided HRC >63,T0.08mm) |
|
| End Cap | SACM645, SCM440, SUS440C, H13 (SKD61) with optional Gas/Plasma Nitriding, Chroming | ||
| Nozzle Tip | SACM645, 1.2379, SCM440, SUS440C, H13 (SKD61) with optional Gas/Plasma Nitriding, Chroming | ||