Guangming Group Shares Commonly‑Used Material Systems for Metal Injection Molding (MIM)

A Complete List of Commonly‑Used Material Systems for MIM (Metal Injection Molding)

Ⅰ. Iron‑based Alloys (Largest output & widest application)

1. Low‑alloy Steels

Common Grades: Fe‑2Ni, Fe‑8Ni, MIM‑4600, MIM‑4650

Features: Low cost, balanced strength and toughness, heat‑treatable for reinforcement

Typical Applications: Micro‑gears, double‑link gears, gearbox components, automotive structural parts, hardware transmission components

2. Stainless Steels (Top‑popular materials for MIM)

Common Grades

1. 17‑4PH (630) Precipitation‑hardening Stainless Steel: Hardness can be increased by quenching; high strength and excellent corrosion resistance ｜Consumer‑electronic hinges, lock hardware, medical‑device components

2. 316L: Austenitic stainless steel with outstanding corrosion resistance and good biocompatibility ｜Surgical instruments, bathroom fittings, medical spare parts

3. 304L: General‑purpose rust‑proof parts & decorative components

4. 420 / 440C Martensitic Stainless Steel: High hardness and superior wear resistance ｜Cutting tools, bearings, wear‑resistant components

3. Tool Steel / High‑speed Steel

Grades: M2 High‑speed Steel, 42CrMo4

Features: High hardness, excellent wear resistance

Applications: Small cutting tools, wear‑resistant sliding blocks, industrial tool accessories

4. Iron‑based Soft‑magnetic Alloys

Grades: Fe‑Si, Fe‑50Ni, Fe‑Co, Invar, Kovar

Features: Excellent soft‑magnetic properties, low thermal‑expansion performance, good sealing‑matching capability

Applications: Sensor magnetic cores, electronic packaging parts, motor iron‑cores

Ⅱ. Tungsten Heavy Alloys (High‑density Counterweight Materials)

Grades: W‑Ni‑Fe, W‑Ni‑Cu, W‑Cu (Tungsten‑Copper)

Features: Ultra‑high density, radiation‑shielding performance; W‑Cu features self‑lubrication and electrical conductivity

Applications: Mobile‑phone vibrators, counterweight blocks, radiation shielding components, electrodes, military‑industry spare parts

Ⅲ. Titanium & Titanium Alloys (High‑end Light‑weight & Medical‑use Materials)

Grades: Pure Titanium, Ti‑6Al‑4V

Features: Light‑weight, superior corrosion resistance, excellent biocompatibility

Applications: Orthopedic implants, orthodontic brackets, aerospace precision components; relatively high material cost

Ⅳ. Copper & Copper‑based Alloys

Grades: Pure Copper, Brass, Bronze

Features: High electrical and thermal conductivity

Applications: Conductive terminals, heat‑dissipation components

Ⅴ. Cemented Carbides (WC‑Co, Tungsten‑Cobalt Carbide)

Grades: WC‑6Co, YG8

Features: Ultra‑high hardness, extreme wear resistance

Applications: Micro‑cutting tools, wear‑resistant nozzles

Ⅵ. Nickel‑based Superalloys

Grades: Inconel Series

Features: High‑temperature resistance, corrosion resistance

Applications: Precision components for high‑temperature working conditions, aerospace accessories

Ⅶ. MIM Ceramics (Broad‑sense Powder Injection Molding‑CIM)

Alumina (Al₂O₃), Zirconia (ZrO₂), Silicon Nitride (Si₃N₄)

Features: Electrical insulation, wear resistance and high‑temperature resistance, widely used for electronic insulating parts.

Powder Metallurgy · Metal Injection Molding · Powder Metallurgy Gears

Guangming Group, a professional **manufacturer, factory and supplier** in China, focuses on R&D and manufacturing of metal‑forming technology and wear‑resistant materials. Our main products cover powder‑metallurgy parts produced by conventional powder compaction and metal injection molding.

Our company has built up a high‑caliber talent team. The founding team comes from Guangzhou Research Institute of Non‑ferrous Metals, a national ministerial‑level research institute, with rich industrial experience and strong R&D capability to deliver continuous innovation momentum for enterprise development.

Up to now, we have obtained 5 invention patents and more than 30 utility‑model patents. Our quality‑management system has been certified to IATF16949, ISO9001‑2015, ISO14001 Environmental‑management System and Intellectual‑property Management System. We also hold international trademark certification.

We are an innovative enterprise in Guangdong Province, a Guangzhou Science & Technology Little‑Giant Enterprise, director‑unit of Guangdong Powder‑metallurgy Industrial‑technology Innovation Alliance and the initiator of Guangzhou Advanced Powder‑metallurgy Cluster Promotion Center.