Technology Index:
| Material | 38 CrMoA1A(JIS SACM645)
42 CrMo(AISI 4140) | Nitriding Layer Hardness | HV≥900 |
| Nitriding Layer Depth | 0.5-0.8mm |
| Diameter | Φ12-Φ300mm | Surface Roughness | Ra0.4μm |
| L/D Ratio | 10-56 | Cr-Plating Layer Hardness | 850 HV |
| Nitriding Fragility | Less than grade two | Cr-Plating Layer Depth | 0.03-0.08mm |
Material: the surface tungsten carbide ultra-sound overall spray can improve the wear resistance of the screw Heat-treatment: Vacuumhardening heat treatment process can greatly improve the service life of the three small pieces. While emphasize the development and retainment of high performers, we introduce a series of modern facility and continuously improve our quality control system.Adhering to the customer service philosophy, we keep exceeding customers' expectation as our pursuit.
