17.9W/m·Ksourcebase material: wrought 17-4 PH, Condition H 900, at 149 °C (Cleveland-Cliffs)
Thermal expansion
8–12µm/m·Ksourcetypical range for portland cement concrete (aggregate dependent)
10.4µm/m·Ksourcemean 25-100 °C, ASTM E228, AFTER atmospheric heat treatment (as-built value not published)
100 mm part over a 50 °C swing
50µm growth4% less
52µm growth
Specific heat
900J/kg·Ksourcetypical (NIST guidance for thermal analysis)
460J/kg·Ksourcebase material: wrought 17-4 PH, Condition A, 0-100 °C (Cleveland-Cliffs)
Heats up and cools (diffusivity)
0.431mm²/s
5mm²/s11.6x faster
Thermal shock resistance
not sourced
5,474W/m
Max service temperature
65°Csourcecode long-term temperature limit (ASME Code, concrete containments)
not sourced
Values for
Normal-weight portland cement concrete, strength class f'c = 4000 psi (28 MPa) per NRMCA CIP 35; density NRMCA CIP 36; thermal conductivity USDA FPL Wood Handbook; service temperature ORNL/NRC review
EOS StainlessSteel 17-4PH IndustryLine (powder 9011-0041), EOS M 290, 40 µm, default job 17-4PH_040_StainlessM291_100, as built, horizontal; ISO 6892 & ASTM E8M
Every value links to the document that states it. "Not sourced" means no citable source states it (or only a specification minimum); figures computed from it are left out too.
DMLS 17-4PH Stainless Steel is 3D printed: its properties depend on build direction and print settings; these are typical values.
Questions
Which is lighter, Concrete or DMLS 17-4PH Stainless Steel?
Concrete is lighter: 2,320 kg/m³ against 7,790 kg/m³ for DMLS 17-4PH Stainless Steel.
Which conducts heat better, Concrete or DMLS 17-4PH Stainless Steel?
DMLS 17-4PH Stainless Steel conducts heat better: 17.9 W/m·K against 0.9 W/m·K for Concrete.
Which expands less with temperature?
Concrete expands less: 10 µm/m·K against 10.4 µm/m·K for DMLS 17-4PH Stainless Steel.