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This data sheet contains approximate values that may vary with build conditions and is intended for reference and comparison purposes only. It should not be used for  
design specifications or quality control. The performance characteristics of the material can be affected (±) by, but not limited to, part design, part geometries,  
application and operating conditions. Each user is responsible for determining that the material is safe, lawful and technica lly suitable for the intended laws and  
regulations. ADDIT IVA makes no warranties of any kind, express or implied, including, but not limited to, the warranties of merchantability, fi tness for a particular use, or  
warranty against patent infringement. ADDITIVA excludes liability, however arising, for any inaccura cies in this document.  
ADDITIVA\_Titanium Ti6Al4V\_rev009.docx  
Titanium Ti6Al4V is a lightweight alloy renowned for its excellent mechanical properties, including fracture toughness,  
fatigue strength, and corrosion resistance, together with low specific weight and biocompatibility. Grade 23 differs from  
Grade 5 primar ily in its reduced oxygen content (maximum 0.13% in Grade 23), which enhances ductility and fracture  
toughness, although it slightly reduces strength. Grade 23 is widely used in fracture \- critical airframe structures,  
lightweight components for the motorspo rts and aerospace sectors, and surgical implants and medical instruments.  
UNS AMS ASTM DIN  
R 56401 4956 B 348 Grade 23 EN 3.7164 ISO 5832 \- 3  
Chemical composition Physical properties  
Ti – Titanium b alance Relative density Approx. 99.9%  
Al – Aluminium 5.5÷6.8% Density 4.43 g/cm 3  
V – Vanadium 3.5÷4.5%  
Fe – Iron ≤ 0.25% Heat Treatment (Annealing)  
O – Oxygen ≤ 0.13% under Argon atmosphere  
C – Carbon ≤ 0.08% 20°C → 7 50 °C 4 hours  
N – Nitrogen ≤ 0.05% 7 50 °C 1 hours  
H – Hydrogen ≤ 0.012% 7 50 °C → 20°C \-  
Technical data  
Typical part accuracy (quote < 150 mm) ± 0.2/0.3 mm  
Typical part accuracy (quote ≥ 150 mm) ± 0.05mm each 25mm  
Surface roughness (as built) Ra: 5 ÷ 9 µm  
Surface roughness (after machining / polishing) Ra < 1.6 µm  
Mechanical properties  
Mechanical data Test method As \- Built Heat Treated  
Tensile streng th (Rm)  
ASTM E8 / E8M  
(unmachined specimen, Z \- axis)  
1.1 8 0 ± 3 0 MPa 1.100 ± 20 MPa  
Yield strength (Rp 0.2%) 1.0 8 0 ± 3 0 MPa 1.0 6 0 ± 20 MPa  
Elongation at break 7 ± 1 % 1 2 ± 1 %  
Young’s modulus 11 0 ± 3 GPa 1 20 ± 5 GPa  
Hardness DIN EN ISO 6508 \- 1 3 7 HRC 3 7 HRC  
Thermal properties  
Maximum long \- term operating temperature Approx 355°C / 67 0°F  
Thermal conductivity 7 W/mK

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