MIM Crimping Jaw Insert – SUS 17-4PH
Technical Specifications
Material: SUS 17-4PH
Dimensions: 48.8 x 12.9 x 9.1 mm
Weight: 20 g
Surface Finish : As-sintered + Spot Marking
Hardness: ≥ HV260 (as sintered); ≥ HV300 after heat treatment
Dimensional Tolerance: ±0.5% of nominal dimensions (as per 2D drawing)
Process: MIM (Metal Injection Molding) + Sizing + Heat Treatment + Spot Marking
Application: Crimping Inserts for Heavy-Duty Cable Tools
This component was custom manufactured from client drawings and refined through post-sinter sizing to ensure precise fit and strength for repetitive mechanical crimping.
Material Properties – 17- 4PH
Chemical Composition (%):
C ≤ 0.07 | Cr 15–17.5 | Ni 3–5 | Cu 3–5 | Nb 0.15–0.45 | Mn ≤ 1 | Si ≤ 1 | Fe Balance
Mechanical Properties:
| Property | As Sintered | After Heat Treatment |
| Density | ≥ 7.6 g/cm³ | ≥ 7.6 g/cm³ |
| Yield Strength | ≥ 660 MPa | ≥ 950 MPa |
| UTS | ≥ 950 MPa | ≥ 1100 MPa |
| Elongation | ≥ 3% | ≥ 5% |
| Hardness | ≥ HV260 | ≥ HV300 |
Manufacturing Process Overview
This jaw insert is produced through MIM, followed by post-sinter sizing to ensure dimensional conformity. Heat treatment enhances mechanical properties, and laser or mechanical marking is applied for identification.
Injection Molding → Debinding → Sintering → Sizing → Heat Treatment → Spot Marking → Inspection
Applications
- Heavy-Duty Crimping Tools
- Cable Lug Crimp Jaws
- Electrical Connector Assembly
- Utility and Telecom Installation Tools
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