DMLS 17-4PH Stainless Steel

DMLS 17-4PH Stainless Steel strength, stiffness, density and thermal properties, with their source.

A bracket in DMLS 17-4PH Stainless Steel, as-sintered finish.

Mechanical
Process	3D printed metal (DMLS)
Yield strength	861MPasourcemean, as built, horizontal (N=72)
Ultimate tensile strength	886MPasourcemean, as built, horizontal (N=72)
Elongation at break	19.9%sourcemean at break, as built, horizontal
Young's modulus (stiffness)	197GPasourcebase material: wrought 17-4 PH, Condition H 900 (Cleveland-Cliffs)
Density	7,790kg/m³sourcemean part density (ISO 3369)
Strength to weight	110kN·m/kg
Stiffness to weight	25.3MN·m/kg
Poisson's ratio	0.272sourcebase material: wrought 17-4 PH, all conditions (Cleveland-Cliffs)
Shear modulus	77.4GPa
Bulk modulus	144GPa
Speed of sound	5,029m/s
Thermal
Thermal conductivity	17.9W/m·Ksourcebase material: wrought 17-4 PH, Condition H 900, at 149 °C (Cleveland-Cliffs)
Thermal expansion	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	52µm growth
Specific heat	460J/kg·Ksourcebase material: wrought 17-4 PH, Condition A, 0-100 °C (Cleveland-Cliffs)
Heats up and cools (diffusivity)	5mm²/s
Thermal shock resistance	5,474W/m
Values for	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

DMLS 17-4PH Stainless Steel is 3D printed: its properties depend on build direction and print settings; these are typical values.

Among 59 materials

Stiffness against density

Strength against density