CNC Machining Materials | Milling & Turning Oriented Substrates
Industrial CNC machining materials are rich and diverse, covering various kinds of materials like metals, plastics and components. Under the high-precision CNC machining process, these materials can be precisely cut and shaped to meet the complex design requirements of parts in different industries.
CNC Machining Materials Classification
By years of supplying CNC machining projects, FirstMold has enhanced its skill sets on a large number of materials of CNC under any circumstances. As part of our mission to make things easier for our clients, we have divided our CNC machinable materials into groups that are easy to identify. The deepened knowledge in material properties, which is a result from our rich history of similar projects, distinguishes us as an excellent source for advices ranging from rapid prototypes to mass production orders.
CNC Machining Materials Comparison Chart
| Material | Density(g/m³) | Tensile Strength(Mpa) | Yield Strength(Mpa) | Hardness(HB) | Machinability | Applications |
|---|---|---|---|---|---|---|
| Aluminum 6061 | 2.7 | 276 | 241 | 95 | Excellent | General-purpose, structural parts, jigs, fixtures |
| Aluminum 7075 | 2.8 | 572 | 503 | 150 | Good | High-strength parts, aerospace applications |
| Brass | 8.5 | 345-550 | 75-450 | 90-140 | Excellent | Decorative parts, fittings, hardware |
| Copper | 8.9 | 220 | 70 | 100 | Excellent | Electrical components, heat exchangers |
| Mild Steel | 7.85 | 400-550 | 250 | 120 | Good | General fabrication, structural components |
| Stainless Steel (304) | 8.0 | 515 | 215 | 200 | Moderate | Food-grade parts, chemical resistance, marine applications |
| Stainless Steel (316) | 8.0 | 535 | 205 | 210 | Moderate | High temperature and corrosion resistance |
| Tool Steel | 7.8 – 8.5 | 600-3000 | 400-2500 | 400-700 | Fair | Molds, dies, cutting tools |
| Inconel (Nickel Alloy) | 8.8 | 758 | 483 | 230 | Difficult | High-temperature applications, corrosion resistance |
| Titanium | 4.5 | 950 | 880 | 36 HRC | Difficult | Aerospace parts, medical implants, high-performance applications |
| ABS | 1.05 | 40-50 | 40 | 75R | Excellent | Prototypes, enclosures, consumer goods |
| PMMA | 1.18 | 70 | 70 | M70 | Excellent | Signs, displays, optical parts |
| POM | 1.42 | 63 | 63 | R120 | Excellent | Bushings, gears, precision parts |
| PC | 1.2 | 60-70 | 60-70 | M70 | Excellent | Impact-resistant parts, safety shields, enclosures |
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