Additive Manufacturing: ph174_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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ph174_slm | as_built | 17-4PH | 99.5 | 10 | 8 | 30 | 30 | 300 | 197 | As-built; predominantly austenite in N2 atmosphere; phase depends on atomization gas | 45 | SLM | 12 | 1,000 | 960 | 900 | 860 |
| ph174_slm | h1025 | 17-4PH | 99.5 | 14 | 12 | 38 | 30 | 300 | 197 | H1025: 552C/4h; over-aged; balanced strength-toughness; widely used aerospace condition | 45 | SLM | 12 | 1,170 | 1,130 | 1,025 | 980 |
| ph174_slm | h900 | 17-4PH | 99.5 | 10 | 8 | 42 | 30 | 300 | 197 | H900 age: 482C/1h; Cu-rich precipitates; peak strength; ASTM A564 equivalent | 45 | SLM | 12 | 1,310 | 1,260 | 1,170 | 1,120 |
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