MIM High-Precision Lock Core – SUS 316

Material Properties – SUS 316L

Chemical Composition (%):

C ≤ 0.03 | Cr 16–18 | Ni 10–14 | Mn ≤ 2 | Mo 2–3 | Si ≤ 1 | Fe Balance

As-Sintered Mechanical Properties (no heat treatment) :

Density: ≥ 7.9 g/cm³

Yield Strength (RP₀.₂): ≥ 180 MPa

Ultimate Tensile Strength: ≥ 510 MPa

Elongation (A10): ≥ 50%

Hardness: ≥ HV120

Manufacturing Process Overview

This lock core is molded using MIM, sintered for full density, then precision sized and ground for consistent locking performance and assembly compatibility.

Injection Molding → Debinding → Sintering → Sizing → Final Inspection

Applications:

• Cylinder Lock Cores for Door Locks
• Smart Lock Mechanisms
• Lock Cores for Outdoor and Weatherproof Applications
• Multi-Pin Lock Cores and Anti-Theft Lock Designs