Additive Manufacturing: 316l_slm
Additive manufacturing (3D printing) material properties — tensile strength, yield strength, elongation, hardness, fatigue strength, surface roughness, and density for SLM, EBM, and DED processes
| material process | condition | alloy | density relative pct (%) | elongation pct xy (%) | elongation pct z (%) | hardness HRC (HRC) | layer thickness um (um) | max service temp C (C) | modulus GPa (GPa) | notes | powder size um (um) | process | surface roughness Ra um (um) | tensile strength MPa xy (MPa) | tensile strength MPa z (MPa) | yield strength MPa xy (MPa) | yield strength MPa z (MPa) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 316l_slm | as_built | 316L | 99.7 | 55 | 65 | 25 | 30 | 800 | 193 | Austenitic cellular dislocation substructure; work hardening strong; yield 550 MPa vs wrought 200-300 MPa; excellent elongation | 45 | SLM | 12 | 680 | 640 | 550 | 500 |
| 316l_slm | solution_annealed | 316L | 99.7 | 70 | 75 | 20 | 30 | 800 | 193 | Solution anneal 1100C/1h water quench; recovery of ductility; reduced dislocation density | 45 | SLM | 12 | 600 | 570 | 430 | 410 |
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