Stainless Steel CNC Machining Service
Get high-quality stainless steel CNC machined parts from RapidDirect for prototypes and production. Choose from versatile, corrosion-resistant grades and a full range of finishes.
- Fast turnaround for prototypes and production
- Stainless steel grades for demanding parts
- Custom surface finishes and post-processing
Stainless Steel in CNC Machining
Stainless steel combines strength, corrosion resistance, cleanability, and durability. RapidDirect CNC machines 201, 303, 304, 316, 316L, 420, 430, 431, 440C, and 17-4PH for precision components across medical, food, chemical, automotive, aerospace, and industrial applications.
- Corrosion resistant: Stainless steel withstands corrosive environments and is easy to clean.
- Strength and durability: Multiple grades meet a wide range of mechanical requirements.
- Precision machining: CNC processes produce accurate features and complex geometries.
- Finishing options: Choose as-machined, electroplating, passivation, powder coating, polishing, or brushing.
Selection note: Stainless steel offers excellent corrosion resistance, strength, and easy cleaning. RapidDirect provides as-machined, electroplated, passivated, powder-coated, polished, and brushed surfaces.
Stainless Steel Capabilities
| Price | $$$ |
|---|---|
| Lead time | Under 10 days |
| Wall thickness | 0.75 mm |
| Tolerances | ±0.005 in (±0.125 mm) |
| Maximum part size | 2000 × 800 × 1000 mm |
| Available grades | 201, 303, 304, 316, 316L, 420, 430, 431, 440C, and 17-4PH |
Compare Stainless Steel Grades
Compare ten conventional stainless steel grades by yield strength, fatigue strength, elongation, hardness, and density.
| Material & condition | Key characteristics | Tensile strength, yieldMPa | Fatigue strengthMPa | Elongation at break% | HardnessBrinell | Densityg/cm³ | Material data |
|---|---|---|---|---|---|---|---|
| 201 Stainless Steel | 275–380 | 240–290 | 40–60 | 147–217 | 7.90 | View data | |
| 303 Stainless Steel | 415–450 | 240–300 | 35–50 | 190–240 | 7.90 | View data | |
| 304 Stainless Steel | 215–505 | 240–300 | 40–70 | 170–220 | 7.90 | View data | |
| 316 Stainless Steel | 170–310 | 240–290 | 30–50 | 140–220 | 7.90 | View data | |
| 316L Stainless Steel | 170–290 | 240–290 | 40–50 | 140–190 | 7.90 | View data | |
| 420 Stainless Steel | 345–650 | 275 | 10–25 | 180–290 | 7.80 | View data | |
| 430 Stainless Steel | 275–450 | 240–280 | 20–30 | 150–200 | 7.75 | View data | |
| 431 Stainless Steel | 690–900 | 350 | 15–17 | 248–293 | 7.75 | View data | |
| 440C Stainless Steel | 450–1900 | 275 | 10–20 | 285–600 | 7.75 | View data | |
| 17-4PH Stainless Steel | 725–1170 | 480 | 6–14 | 248–388 | 7.80 | View data |
Stainless Steel Manufacturing Facilities
Stainless Steel Parts & Applications
Stainless Steel FAQs
Learn about Stainless Steel applications, capabilities, and finishing options.