Metal LPBF · Metal powders · Metal
Stainless steel 316L
Corrosion resistant, ductile and weldable; food, medical and marine.
What is Stainless steel 316L?
316L is a molybdenum-alloyed austenitic stainless steel. 316L parts printed with LPBF offer high corrosion resistance and ductility, making them suitable for food equipment, medical instruments and parts in marine environments.
- Metal
- Chemical resistant
- High strength
- Heat resistant
Technical data
Typical values compiled from common manufacturer datasheets; they vary by brand and grade.
| Density | ≈ 7.9 g/cm³ |
|---|---|
| Tensile strength | ≈ 550 – 650 MPa |
| Yield strength | ≈ 450 – 550 MPa (as built) |
| Elongation at break | ≈ 30 – 45% |
| Hardness | ≈ 200 – 230 HV |
Design guidelines for Stainless steel 316L
General guidelines for SLM / DMLS technology. All design guidelines
- Minimum wall thickness0.4 – 1 mm
- Smallest detail0.6 mm
- Clearance for moving parts0.3 mm
- Text and logosEmbossed ≥ 0.5 mm
- Minimum hole diameterØ 1.5 mm
- Unsupported overhang angle≥ 45° from horizontal; flatter surfaces need support
Applications
- Food and pharmaceutical equipment
- Medical instruments
- Marine parts
- Manifolds
Advantages
- Excellent corrosion resistance
- Ductile and tough
- Weldable
Limitations
- Heavy
- Requires supports and post-processing
Comparison
Stainless steel 316L and alternatives
| Property | Stainless steel 316L | Stainless Steel | 17-4 PH stainless steel | Stainless steel 304 |
|---|---|---|---|---|
| Density | 7.9 g/cm³ | 7.9 g/cm³ | 7.8 g/cm³ | 8 g/cm³ |
| Tensile strength | 600 MPa | 530 MPa | 1,300 MPa | 600 MPa |
| Elongation at break | 38 % | 50 % | 9 % | 40 % |
| Modulus (stiffness) | 190 GPa | 190 GPa | 197 GPa | 193 GPa |
| Heat deflection (0.45 MPa) | — | — | — | — |
Values are averages of typical ranges; see each material page for details.
Good to know
Frequently asked questions about Stainless steel 316L
What is Stainless steel 316L?
316L is a molybdenum-alloyed austenitic stainless steel. 316L parts printed with LPBF offer high corrosion resistance and ductility, making them suitable for food equipment, medical instruments and parts in marine environments.
Is Stainless steel 316L heat resistant?
Stainless steel 316L is a metal; it keeps its strength at much higher temperatures than polymers.
Can Stainless steel 316L be used outdoors?
Yes. Stainless steel 316L has good resistance to UV light and weather; it is suitable for outdoor parts.
Which parts are made with Stainless steel 316L?
Stainless steel 316L is typically used in applications such as food and pharmaceutical equipment, medical instruments, marine parts, manifolds.
Which material can be used instead of Stainless steel 316L?
Depending on the application, Stainless Steel, 17-4 PH stainless steel, Stainless steel 304 can be alternatives. You can see the differences in the comparison tables on the material pages.
Does TAİ Robotik produce with Stainless steel 316L?
For Stainless steel 316L, send us your part's dimensions, quantity and operating conditions; we will determine the best production route and, if needed, an equivalent alternative together.
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