DMLS Ti-6Al-4V ELI Titanium

DMLS Ti-6Al-4V ELI Titanium strength, stiffness, density and thermal properties, with their source.

A bracket in DMLS Ti-6Al-4V ELI Titanium, as-sintered finish.

Mechanical
Process	3D printed metal (DMLS)
Yield strength	1,100MPasourcetypical, as built, average of horizontal + vertical (M400)
Ultimate tensile strength	1,270MPasourcetypical, as built, average of horizontal + vertical (M400)
Elongation at break	8.7%sourcetypical at break, as built (M400)
Young's modulus (stiffness)	110GPasourcesame maker and process, sibling grade: EOS Titanium Ti64 (Grade 5) on EOS M 290, as built, XY and Z, typical
Density	4,400kg/m³sourcetypical part density (ISO 3369), M400
Strength to weight	250kN·m/kg
Stiffness to weight	25MN·m/kg
Poisson's ratio	0.342sourcewrought TIMETAL 6-4 (TIMET measurement, mean of 10); composition-level, not DMLS-measured
Shear modulus	41GPa
Bulk modulus	116GPa
Speed of sound	5,000m/s
Thermal
Thermal conductivity	6.6W/m·Ksourcebase material: wrought Ti-6Al-4V / 6-4 ELI (TIMET datasheet), 20 °C
Thermal expansion	9µm/m·Ksourcemean 25-100 °C, ASTM E228; EOS Ti64 Grade 23 (=ELI) on EOS M 290 40 µm; condition not stated (sheet's mechanical data are heat treated)
100 mm part over a 50 °C swing	45µm growth
Specific heat	580J/kg·Ksourcebase material: wrought Ti-6Al-4V / 6-4 ELI (TIMET datasheet), 20 °C
Heats up and cools (diffusivity)	2.59mm²/s
Thermal shock resistance	4,825W/m
Melting point	1,630–1,650°Csourcemelting range, wrought TIMETAL 6-4 (composition-level)
Values for	EOS Titanium Ti64ELI (powder 9011-0040; ASTM F136/F3001, i.e. Grade 23) on EOS M400 SF, parameter set Ti64ELI_030_FlexM400_100, 30 µm, as built; ISO 6892-1 A14

DMLS Ti-6Al-4V ELI Titanium 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