| 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 ) |
Resin with Glass Fibre <5% |
| C |
Bi-metallic with (Tungsten Carbide/Chromium/Nickel/Boron alloy lining, WC >15%, HRC 51-53, T1.5mm) |
Resin with Glass Fibre 10-20% | |
| B |
Bi-metallic with (Tungsten Carbide/Chromium/Nickel/Boron alloy lining, WC >25%, HRC 59-61, T1.5mm) |
Resin with Glass Fibre 20-30% | |
| A |
Bi-metallic with (Tungsten Carbide/Chromium/Nickel/Boron alloy lining, WC >40%, HRC 64-66, T1.5mm) |
Resin with Glass Fibre 40-50% | |
| Screw | Nitrided |
SCM440, ACM2, 42CrMo, 38CrMoAL, DH2F (Chromium/Molybdenum/Aluminium alloy steel, Nitrided HRC >63,T0.08mm) |
Resin with Glass Fibre <5% |
| C |
V4, 1.2379 ( Powder-metallurgical alloy tool steel, vacuum-hardened, HRC 58-60) |
Resin with Glass Fibre 10-20% | |
| B |
M35, M2 (Powder-metallurgical alloy tool steel, vacuum-hardened, HRC 60-62) |
Resin with Glass Fibre 20-30% | |
| A |
ASP23, W650 ( Powder-metallurgical alloy tool steel, vacuum-hardened, HRC 63-65) |
Resin with Glass Fibre 40-50% | |
| Ring Valves | SACM645, V4, 1.2379, ASP23, DC53, DH2F, H13 (SKD61) with optional Gas/Plasma Nitriding, Chroming, TiN/CrN coating | ||
| End Cap | SACM645, SCM440, SUS440C, H13 (SKD61) with optional Gas/Plasma Nitriding, Chroming, TiN, CrN coating | ||
| Nozzle Tip | SACM645, 1.2379, SCM440, SUS440C, H13 (SKD61) with optional Gas/Plasma Nitriding, Chroming, TiN, CrN coating | ||