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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, brackets, shafts |
| Metal | Stainless Steel | 303, 304, 316, 17-4PH | Corrosion resistant, heat resistant | Medical devices, food machinery, marine |
| Metal | Aluminum Alloy | 6061, 7075, 5052 | Lightweight, good thermal conductivity | Aerospace, electronics, automotive |
| Metal | Copper Alloys | Brass (H62/H59), Copper | Excellent conductivity, corrosion resistant | Electrical terminals, valves, fittings |
| Metal | Titanium Alloy | TC4 (Gr5), TA2 | High strength-to-weight ratio, biocompatible | Aerospace, medical implants |
| Plastic | Engineering Plastics | ABS, PC, Nylon, POM | Good overall performance, wear resistant | Housings, gears, structural parts |