FabDigit

Titanium TA15 vs Grade 13 vs Grade 16 vs Grade 17

Benchmark · 4 materials

Side-by-side benchmark of 4 titanium grades.

TA15 vs Grade 13 and 2 more: properties

TA15Grade 13Grade 16Grade 17

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

115 GPa16.7 Msi
105 GPa15.2 Msi
105 GPa15.2 Msi
103 GPa14.9 Msi

Shear Modulus

44 GPa6.4 Msi
40 GPa5.8 Msi
45 GPa6.5 Msi
45 GPa6.5 Msi

Bulk Modulus

108 GPa15.7 Msi
110 GPa16 Msi
110 GPa16 Msi
110 GPa16 Msi

Poisson's Ratio

0.32
0.34
0.34
0.34

Tensile Strength (Ultimate)

990 MPa144 ksi
345 MPa50 ksi
485 MPa70.3 ksi
330 MPa47.9 ksi

Yield Strength (0.2% offset)

900 MPa131 ksi
240 MPa34.8 ksi
380 MPa55.1 ksi
240 MPa34.8 ksi

Elongation at Break

12%
28%
28%
32%

Reduction in Area

35%
45%
45%
58%

Compressive Strength

1,000 MPa145 ksi
260 MPa37.7 ksi
400 MPa58 ksi
300 MPa43.5 ksi

Shear Strength

620 MPa89.9 ksi
240 MPa34.8 ksi
310 MPa45 ksi
250 MPa36.3 ksi

Fatigue Strength (Endurance Limit)

480 MPa69.6 ksi
190 MPa27.6 ksi
280 MPa40.6 ksi
175 MPa25.4 ksi

Fracture Toughness (K_IC)

72 MPa·√m65.5 ksi·√in
80 MPa·√m72.8 ksi·√in
70 MPa·√m63.7 ksi·√in
80 MPa·√m72.8 ksi·√in

Charpy V-Notch Impact (RT)

32 J23.6 ft·lbf
60 J44.3 ft·lbf
40 J29.5 ft·lbf
90 J66.4 ft·lbf

Hardness, Brinell

320 HB
130 HB
150 HB
120 HB

Hardness, Rockwell C

33 HRC

Hardness, Vickers

335 HV
140 HV
160 HV
125 HV

Hardness, Rockwell B

72 HRB
80 HRB
70 HRB

Physical

Density and transition temperatures.

Density

4.46 g/cm³0.16 lb/in³
4.51 g/cm³0.16 lb/in³
4.51 g/cm³0.16 lb/in³
4.51 g/cm³0.16 lb/in³

Melting Point (Solidus)

1,600°C2,912 °F
1,650°C3,002 °F
1,660°C3,020 °F
1,660°C3,020 °F

Liquidus Temperature

1,680°C3,056 °F
1,675°C3,047 °F
1,670°C3,038 °F
1,670°C3,038 °F

Thermal

How each material carries heat and how hot it can run.

Thermal Conductivity

7.5 W/m·K4.3 BTU/hr·ft·°F
17.5 W/m·K10.1 BTU/hr·ft·°F
17 W/m·K9.8 BTU/hr·ft·°F
17.5 W/m·K10.1 BTU/hr·ft·°F

Specific Heat Capacity

540 J/kg·K0.13 BTU/lb·°F
520 J/kg·K0.12 BTU/lb·°F
523 J/kg·K0.12 BTU/lb·°F
523 J/kg·K0.12 BTU/lb·°F

Latent Heat of Fusion

365 J/g157 BTU/lb
365 J/g157 BTU/lb
295 J/g127 BTU/lb
419 J/g180 BTU/lb

Max Service Temperature (continuous)

500°C932 °F
300°C572 °F
315°C599 °F
315°C599 °F

Min Service Temperature

-196°C-321 °F
-250°C-418 °F
-196°C-321 °F
-250°C-418 °F

Same in both: Thermal Expansion (CTE, 20–100 °C) 8.6 µm/m·K4.8 µin/in·°F

Electrical

Conductivity and insulation.

Electrical Conductivity

1.1 % IACS
3.1 % IACS
3.1 % IACS
3.3 % IACS

Electrical Resistivity

1.6×10⁻⁶ Ω·m63 µΩ·in
5.6×10⁻⁷ Ω·m22 µΩ·in
5.6×10⁻⁷ Ω·m22 µΩ·in
5.2×10⁻⁷ Ω·m20.5 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.1 V
-0.1 V
-0.05 V
-0.1 V

Corrosion Resistance

88 / 100
93 / 100
96 / 100
95 / 100

Manufacturability

FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.

Machinability

18 / 100
38 / 100
38 / 100
40 / 100

Machinability Rating (AISI 1212 = 100 %)

20%
30%
35%
35%

Weldability

80 / 100
88 / 100
88 / 100
88 / 100

Formability (cold)

32 / 100
72 / 100
75 / 100
90 / 100

Brazeability / Solderability

45 / 100
40 / 100
40 / 100
45 / 100

Same in both: Polishability 70 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

650 MJ/kg279,450 BTU/lb
660 MJ/kg283,749 BTU/lb
620 MJ/kg266,552 BTU/lb
700 MJ/kg300,946 BTU/lb

Embodied Carbon (primary production)

42 kg CO₂/kg
45 kg CO₂/kg
38 kg CO₂/kg
42 kg CO₂/kg

Embodied Water

500 L/kg59.9 gal/lb
1,500 L/kg180 gal/lb
500 L/kg59.9 gal/lb
900 L/kg108 gal/lb

Same in both: Typical Recycled Content 25%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

222 kN·m/kg
76 kN·m/kg
108 kN·m/kg
73 kN·m/kg

Specific Stiffness (E / density)

25.8 MN·m/kg
23.3 MN·m/kg
23.3 MN·m/kg
22.8 MN·m/kg

Modulus of Resilience

3,522 kJ/m³
274 kJ/m³
688 kJ/m³
280 kJ/m³

Thermal Diffusivity

3.1 mm²/s
7.5 mm²/s
7.2 mm²/s
7.4 mm²/s

Thermal Shock Resistance Index

8
7
9
7

Strength versus weight

Yield strength against density for every titanium grade in the FabDigit library; the compared grades are highlighted. Up and left is stronger for its weight.

3005007001,0004.555.5Density (g/cm³)Yield strength (MPa) — log scaleGrade 13Grade 16Grade 17TA15

Manufacturing and finishing

CapabilityTA15Grade 13Grade 16Grade 17
Default condition
Relative cost$$$$ High$$$$ High$$$$ High$$$$ High
Min. machined wall
Best machined surface

Both take the same 1 finish: Plasma Spray.

Ready to make it?

Upload a CAD file and FabDigit prices the part in TA15 and Grade 13 side by side — material, machining time, tolerance and finish in one quote. Certified material data ships with the order on request.

Typical handbook values for the conditions named above, normalised for comparison. Hardness on non-Brinell scales is converted approximately for charting only. Request certified data with your order for design-critical properties.