Complete List of MIM Metal Materials: 316L, 420, 17-4PH

Complete List of MIM Metal Materials: 304L 316L, SUS420, 17-4PH,Fe2Ni
1. Stainless Steel Series (Mainstream MIM Materials)

MIM 316L Stainless SteelPerformance:

Excellent acid and alkali corrosion resistance, non-magnetic, good toughness, superior rust-proof performance.Hardness: Sintered original hardness HV180-220, support mirror polishing.Application: Medical implant parts, marine environment accessories, watch cases, beauty and cosmetic hardware.

MIM SUS420 Stainless SteelPerformance: High hardness after heat treatment, moderate rust resistance, excellent wear resistance, magnetic.Hardness: HRC48-55 after quenching and tempering.Performance: Ultra-high tensile strength, high corrosion resistance, age hardenable.Hardness: HRC38-48, preferred material for high-end aerospace and automotive precision parts.Application: Automotive sensor structural parts, high-end wearable rotating shafts, military precision components.

2. Fe2Ni Iron-Based Alloy (Cost-Effective & Versatile MIM Material)

Material Grade: Fe2Ni Iron-Nickel Based AlloyCharacteristics: Good mechanical strength, excellent dimensional stability, uniform structure, good wear resistance and machinability. Supports heat treatment for hardness adjustment. Balanced performance of toughness and rigidity, suitable for complex-shaped dense parts that stamping and CNC processing cannot achieve.Advantages: Higher precision and better integrity than traditional stamped iron parts; lower cost than stainless steel and magnetic alloy materials; capable of one-piece forming of irregular 3D complex structures with tiny features.Application: Standard transmission gears, miniature motor structural parts, electronic device brackets, industrial fasteners, household hardware, general mechanical precision components.

Quick Material Selection Summary

316L — For corrosion-resistant, non-magnetic, medical and high-end cosmetic products

SUS420 — For high-hardness, wear-resistant gears and tool parts

17-4PH — For high-strength automotive, aerospace and military precision parts

Fe2Ni Iron-Based Alloy — Best cost-performance for complex structural parts with medium strength and general wear resistance requirements