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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 & heat resistant | Medical devices, food machinery |
| Metal | Aluminum Alloy | 6061, 7075, 5052 | Lightweight, good thermal conductivity | Aerospace, electronic housings |
| Metal | Copper Alloys | Brass (H62/H59), Copper | Excellent electrical conductivity | Electrical terminals, valves |
| Plastic | Engineering Plastics | ABS, PC, PA66, POM | Good overall performance; POM for wear resistance | Gears, bearing cages, housings |
| Plastic | High-Performance | PEEK, PTFE, PPS, PEI | High temp & chemical resistance | Semiconductor equipment, seals |