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Titanium Ti-10-2-3 vs Ti-15-3

Titanium · grade comparison

Titanium Ti-10-2-3 and Ti-15-3 are both titanium grades. Ti-10-2-3 is the stronger of the two: yield strength 930 MPa (135 ksi) against 790 MPa (115 ksi) for Ti-15-3, about 18% more; tensile strength follows at 1,000 MPa (145 ksi) vs 820 MPa (119 ksi). In exchange, Ti-15-3 is the more ductile: elongation 20% versus 12% for Ti-10-2-3, and Ti-10-2-3 is harder (32 HRC vs 27 HRC). Ti-10-2-3 is stiffer (110 GPa vs 82 GPa) and Ti-10-2-3 runs hotter in service (300°C vs 260°C continuous). On the shop floor, Ti-15-3 welds better (very good vs fair).

Ti-10-2-3Choose it when strength drives the design, or when the part sees heat.

Ti-15-3Choose it when the part is bent, formed or impact-loaded, or when it will be welded.

Ti-10-2-3 vs Ti-15-3: properties

Ti-10-2-3Ti-15-3

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

110 GPa16 Msi
82 GPa11.9 Msi

Shear Modulus

41 GPa5.9 Msi
31 GPa4.5 Msi

Bulk Modulus

104 GPa15.1 Msi
110 GPa16 Msi

Poisson's Ratio

0.32
0.31

Tensile Strength (Ultimate)

1,000 MPa145 ksi
820 MPa119 ksi

Yield Strength (0.2% offset)

930 MPa135 ksi
790 MPa115 ksi

Elongation at Break

12%
20%

Reduction in Area

25%
50%

Compressive Strength

1,000 MPa145 ksi
810 MPa117 ksi

Shear Strength

620 MPa89.9 ksi
540 MPa78.3 ksi

Fatigue Strength (Endurance Limit)

480 MPa69.6 ksi
450 MPa65.3 ksi

Fracture Toughness (K_IC)

85 MPa·√m77.4 ksi·√in
100 MPa·√m91 ksi·√in

Hardness, Rockwell C

32 HRC
27 HRC

Hardness, Vickers

320 HV
280 HV

Hardness, Brinell

—
265 HB

Physical

Density and transition temperatures.

Density

4.65 g/cm³0.17 lb/in³
4.76 g/cm³0.17 lb/in³

Same in both: Melting Point (Solidus) 1,600°C2,912 °F · Liquidus Temperature 1,650°C3,002 °F

Thermal

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

Thermal Conductivity

7.8 W/m·K4.5 BTU/hr·ft·°F
8.1 W/m·K4.7 BTU/hr·ft·°F

Thermal Expansion (CTE, 20–100 °C)

9 µm/m·K5 µin/in·°F
8.5 µm/m·K4.7 µin/in·°F

Max Service Temperature (continuous)

300°C572 °F
260°C500 °F

Min Service Temperature

-50°C-58 °F
-196°C-321 °F

Same in both: Specific Heat Capacity 500 J/kg·K0.12 BTU/lb·°F · Latent Heat of Fusion 365 J/g157 BTU/lb

Electrical

Conductivity and insulation.

Same in both: Electrical Conductivity 1.2 % IACS · Electrical Resistivity 1.4×10⁻⁶ Ω·m55.1 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

85 / 100
88 / 100

Same in both: Galvanic Potential (seawater, vs SCE) -0.1 V

Manufacturability

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

Machinability Rating (AISI 1212 = 100 %)

18%
16%

Weldability

40 / 100
70 / 100

Formability (cold)

30 / 100
80 / 100

Castability

25 / 100
—

Brazeability / Solderability

35 / 100
45 / 100

Polishability

70 / 100
65 / 100

Same in both: Machinability 20 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

650 MJ/kg279,450 BTU/lb
750 MJ/kg322,442 BTU/lb

Embodied Carbon (primary production)

40 kg CO₂/kg
48 kg CO₂/kg

Embodied Water

500 L/kg59.9 gal/lb
600 L/kg71.9 gal/lb

Typical Recycled Content

25%
20%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

215 kN·m/kg
172 kN·m/kg

Specific Stiffness (E / density)

23.7 MN·m/kg
17.2 MN·m/kg

Modulus of Resilience

3,931 kJ/m³
3,805 kJ/m³

Thermal Shock Resistance Index

8
10

Same in both: Thermal Diffusivity 3.4 mm²/s

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 scaleTi-10-2-3Ti-15-3

Manufacturing and finishing

CapabilityTi-10-2-3Ti-15-3
Default conditionOO
Relative cost$$$$$ Specialty$$$$$ Specialty
Min. machined wall1 mm1 mm
Best machined surfaceRa 1.6 µmRa 1.6 µm

Both are offered for CNC machining and Sheet metal. Both take the same 20 finishes: AlCrN, AlTiN, Anodizing Type II, CVD Al2O3, CVD TiCN, CVD TiN, Cerakote, CrN, DLC, Electropolishing, HVOF Coating, MoS2 and 8 more.

Ti-10-2-3 vs Ti-15-3 — frequently asked

Is Ti-10-2-3 stronger than Ti-15-3?

Yes. Ti-10-2-3 has a typical yield strength of 930 MPa (135 ksi) against 790 MPa (115 ksi) for Ti-15-3 — about 18% more. Tensile strength is 1,000 MPa (145 ksi) vs 820 MPa (119 ksi).

Which is cheaper, Ti-10-2-3 or Ti-15-3?

Both sit in the same relative cost tier ($$$$$, specialty); the part price will be decided by machining time, tolerance and quantity rather than by the material.

Which welds better, Ti-10-2-3 or Ti-15-3?

Ti-15-3. Its weldability rates very good (70/100) against fair (40/100) for Ti-10-2-3.

Ready to make it?

Upload a CAD file and FabDigit prices the part in Ti-10-2-3 and Ti-15-3 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.