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| Category | Material | Common Grades | Key Features | Typical Applications |
|---|---|---|---|---|
| Metal | Carbon Steel | Q235, 45#, A36, 1045 | High strength, low cost, easy to machine | Structural parts, shafts, mold bases |
| Metal | Stainless Steel | 303, 304, 316, 17-4PH | Corrosion resistant, heat resistant | Medical devices, food machinery |
| Metal | Aluminum Alloy | 6061, 7075, 5052, 2A12 | Lightweight, good conductivity | Aerospace parts, electronic housings |
| Metal | Copper & Alloys | Brass, Copper, Beryllium Copper | Excellent electrical & thermal conductivity | Electrical terminals, valves |
| Metal | Titanium Alloy | TC4 (Gr5), TA2 | High strength-to-weight, biocompatible | Aerospace, medical implants |
| Plastic | Engineering Plastics | ABS, PC, PA66, POM | Good overall performance; wear resistance | Gears, bearing cages, structural parts |
| Plastic | High-Performance | PEEK, PTFE, PPS, PEI | Temperature & chemical resistance | Semiconductor equipment, seals |