Material datasheet · Austenitic stainless
Stainless Steel 316L
UNS S31603 · Solution annealed (~1900°F, water quench)
Low-carbon austenitic stainless. Standard for medical, food, and marine.
Chemical composition
Nominal % by weight.
| Element | % by wt |
|---|---|
| Fe | Bal. |
| Cr | 16.0–18.0 |
| Ni | 10.0–14.0 |
| Mo | 2.0–3.0 |
| C | ≤0.03 (low-C) |
Applicable specifications
AMS / ASTM / MIL.
- AMS 5653
- ASTM A276
- ASTM A479
- ASTM F138 (medical)
Machining guidance
CNC parameters and tooling.
Coated carbide, sharp positive rake; avoid dwelling
Work-hardens aggressively. Use sharp tools, deep DOC, constant feed — never rub.
Stock & cost
Forms and Q1 2026 pricing.
- Passivate (ASTM A967, AMS 2700)
- Electropolish (medical)
- PVD coatings
Typical applications
Where 316L Stainless is the right pick.
- Surgical instruments
- Implant components (F138)
- Food/pharma processing
- Marine fittings
- Cryogenic
Alternative materials
Substitute or upgrade options.
- 304 (cheaper, less Mo)
- 317L (more Mo, better Cl- resist)
- Duplex 2205 (higher strength)
Digital Machine · Quick-Turn CNC · California
Machine your part in 316L Stainless.
Production CNC milling and turning. Confirm material, inspection and documentation requirements when requesting a quote.
Keep exploring
Related tools & references
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