FabDigit

Titanium ZTA15 vs C-1 vs C-4 vs C-9

Benchmark · 4 materials

Side-by-side benchmark of 4 titanium grades.

ZTA15 vs C-1 and 2 more: properties

ZTA15C-1C-4C-9

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

113 GPa16.4 Msi
103 GPa14.9 Msi
104 GPa15.1 Msi
100 GPa14.5 Msi

Shear Modulus

43 GPa6.2 Msi
45 GPa6.5 Msi
45 GPa6.5 Msi
44 GPa6.4 Msi

Bulk Modulus

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

Poisson's Ratio

0.33
0.34
0.34
0.3

Tensile Strength (Ultimate)

940 MPa136 ksi
300 MPa43.5 ksi
620 MPa89.9 ksi
690 MPa100 ksi

Yield Strength (0.2% offset)

850 MPa123 ksi
210 MPa30.5 ksi
530 MPa76.9 ksi
550 MPa79.8 ksi

Elongation at Break

9%
20%
12%
12%

Reduction in Area

20%
30%
20%
20%

Compressive Strength

900 MPa131 ksi
220 MPa31.9 ksi
560 MPa81.2 ksi
620 MPa89.9 ksi

Shear Strength

580 MPa84.1 ksi
210 MPa30.5 ksi
430 MPa62.4 ksi
450 MPa65.3 ksi

Fatigue Strength (Endurance Limit)

430 MPa62.4 ksi
145 MPa21 ksi
240 MPa34.8 ksi
340 MPa49.3 ksi

Fracture Toughness (K_IC)

78 MPa·√m71 ksi·√in
75 MPa·√m68.3 ksi·√in
60 MPa·√m54.6 ksi·√in
70 MPa·√m63.7 ksi·√in

Charpy V-Notch Impact (RT)

28 J20.7 ft·lbf
45 J33.2 ft·lbf
14 J10.3 ft·lbf
22 J16.2 ft·lbf

Hardness, Brinell

310 HB
120 HB
265 HB
240 HB

Hardness, Rockwell C

32 HRC
26 HRC
23 HRC

Hardness, Vickers

322 HV
130 HV
280 HV
255 HV

Hardness, Rockwell B

65 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
4.48 g/cm³0.16 lb/in³

Melting Point (Solidus)

1,630°C2,966 °F
1,660°C3,020 °F
1,660°C3,020 °F
1,650°C3,002 °F

Liquidus Temperature

1,690°C3,074 °F
1,670°C3,038 °F
1,670°C3,038 °F
1,700°C3,092 °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 W/m·K9.8 BTU/hr·ft·°F
17.2 W/m·K9.9 BTU/hr·ft·°F
7.6 W/m·K4.4 BTU/hr·ft·°F

Specific Heat Capacity

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

Thermal Expansion (CTE, 20–100 °C)

8.8 µm/m·K4.9 µin/in·°F
8.6 µm/m·K4.8 µin/in·°F
8.6 µm/m·K4.8 µin/in·°F
9.4 µm/m·K5.2 µin/in·°F

Latent Heat of Fusion

365 J/g157 BTU/lb
325 J/g140 BTU/lb
320 J/g138 BTU/lb
365 J/g157 BTU/lb

Max Service Temperature (continuous)

500°C932 °F
300°C572 °F
300°C572 °F
300°C572 °F

Min Service Temperature

-253°C-423 °F
-250°C-418 °F
-196°C-321 °F
-196°C-321 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

1.1 % IACS
3.6 % IACS
2.9 % IACS
1.4 % IACS

Electrical Resistivity

1.6×10⁻⁶ Ω·m63 µΩ·in
4.8×10⁻⁷ Ω·m18.9 µΩ·in
6×10⁻⁷ Ω·m23.6 µΩ·in
1.26×10⁻⁶ Ω·m49.6 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.08 V
-0.1 V
-0.1 V
-0.1 V

Corrosion Resistance

90 / 100
93 / 100
92 / 100
92 / 100

Manufacturability

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

Machinability

18 / 100
42 / 100
30 / 100
25 / 100

Machinability Rating (AISI 1212 = 100 %)

20%
35%
35%
22%

Weldability

75 / 100
88 / 100
85 / 100
80 / 100

Formability (cold)

15 / 100
60 / 100
20 / 100
10 / 100

Castability

70 / 100
65 / 100
60 / 100
70 / 100

Brazeability / Solderability

45 / 100
40 / 100
40 / 100
35 / 100

Polishability

60 / 100
70 / 100
75 / 100
70 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

700 MJ/kg300,946 BTU/lb
640 MJ/kg275,151 BTU/lb
650 MJ/kg279,450 BTU/lb
650 MJ/kg279,450 BTU/lb

Embodied Carbon (primary production)

42 kg CO₂/kg
40 kg CO₂/kg
39 kg CO₂/kg
42 kg CO₂/kg

Embodied Water

500 L/kg59.9 gal/lb
700 L/kg83.9 gal/lb
900 L/kg108 gal/lb
450 L/kg53.9 gal/lb

Typical Recycled Content

25%
30%
25%
35%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

211 kN·m/kg
67 kN·m/kg
137 kN·m/kg
154 kN·m/kg

Specific Stiffness (E / density)

25.3 MN·m/kg
22.8 MN·m/kg
23.1 MN·m/kg
22.3 MN·m/kg

Modulus of Resilience

3,197 kJ/m³
214 kJ/m³
1,350 kJ/m³
1,513 kJ/m³

Thermal Diffusivity

3.1 mm²/s
7.2 mm²/s
7 mm²/s
3.1 mm²/s

Thermal Shock Resistance Index

7
6
12
6

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 scaleC-1C-4C-9ZTA15

Manufacturing and finishing

CapabilityZTA15C-1C-4C-9
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 ZTA15 and C-1 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.