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Titanium Ti-13V-11Cr-3Al vs Ti-3Al-8V-6Cr-4Mo-4Zr

Titanium · grade comparison

Titanium Ti-13V-11Cr-3Al and Ti-3Al-8V-6Cr-4Mo-4Zr are both titanium grades. Both yield at about 860 MPa — strength does not separate them. Ti-3Al-8V-6Cr-4Mo-4Zr is the more ductile: elongation 18% versus 16% for Ti-13V-11Cr-3Al. Ti-13V-11Cr-3Al is stiffer (102 GPa vs 86 GPa) and Ti-13V-11Cr-3Al runs hotter in service (260°C vs 200°C continuous).

Ti-13V-11Cr-3AlChoose it when the part sees heat.

Ti-3Al-8V-6Cr-4Mo-4ZrChoose it when the part is bent, formed or impact-loaded.

Ti-13V-11Cr-3Al vs Ti-3Al-8V-6Cr-4Mo-4Zr: properties

Ti-13V-11Cr-3AlTi-3Al-8V-6Cr-4Mo-4Zr

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

102 GPa14.8 Msi
86 GPa12.5 Msi

Shear Modulus

40 GPa5.8 Msi
33 GPa4.8 Msi

Bulk Modulus

95 GPa13.8 Msi
90 GPa13.1 Msi

Tensile Strength (Ultimate)

930 MPa135 ksi
900 MPa131 ksi

Yield Strength (0.2% offset)

860 MPa125 ksi
850 MPa123 ksi

Elongation at Break

16%
18%

Reduction in Area

35%
45%

Shear Strength

590 MPa85.6 ksi
570 MPa82.7 ksi

Fracture Toughness (K_IC)

85 MPa·√m77.4 ksi·√in
90 MPa·√m81.9 ksi·√in

Charpy V-Notch Impact (RT)

22 J16.2 ft·lbf
25 J18.4 ft·lbf

Hardness, Brinell

300 HB
—

Hardness, Rockwell C

31 HRC
32 HRC

Hardness, Vickers

315 HV
320 HV

Same in both: Poisson's Ratio 0.32 · Compressive Strength 880 MPa128 ksi · Fatigue Strength (Endurance Limit) 450 MPa65.3 ksi

Physical

Density and transition temperatures.

Density

4.87 g/cm³0.18 lb/in³
4.82 g/cm³0.17 lb/in³

Melting Point (Solidus)

1,427°C2,601 °F
1,650°C3,002 °F

Liquidus Temperature

1,480°C2,696 °F
1,700°C3,092 °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
7.6 W/m·K4.4 BTU/hr·ft·°F

Thermal Expansion (CTE, 20–100 °C)

9 µm/m·K5 µin/in·°F
9.4 µm/m·K5.2 µin/in·°F

Latent Heat of Fusion

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

Max Service Temperature (continuous)

260°C500 °F
200°C392 °F

Same in both: Specific Heat Capacity 500 J/kg·K0.12 BTU/lb·°F · Min Service Temperature -196°C-321 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

1.2 % IACS
1.1 % IACS

Electrical Resistivity

1.4×10⁻⁶ Ω·m55.1 µΩ·in
1.55×10⁻⁶ Ω·m61 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.15 V
-0.1 V

Corrosion Resistance

88 / 100
92 / 100

Manufacturability

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

Machinability

16 / 100
18 / 100

Weldability

55 / 100
60 / 100

Formability (cold)

70 / 100
65 / 100

Castability

25 / 100
20 / 100

Brazeability / Solderability

45 / 100
35 / 100

Polishability

60 / 100
70 / 100

Same in both: Machinability Rating (AISI 1212 = 100 %) 15%

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

650 MJ/kg279,450 BTU/lb
700 MJ/kg300,946 BTU/lb

Embodied Water

1,200 L/kg144 gal/lb
800 L/kg95.9 gal/lb

Same in both: Embodied Carbon (primary production) 45 kg CO₂/kg · Typical Recycled Content 25%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

191 kN·m/kg
187 kN·m/kg

Specific Stiffness (E / density)

20.9 MN·m/kg
17.8 MN·m/kg

Modulus of Resilience

3,625 kJ/m³
4,201 kJ/m³

Same in both: Thermal Diffusivity 3.2 mm²/s · Thermal Shock Resistance Index 8

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-3Al-8V-6Cr-4Mo-4ZrTi-13V-11Cr-3Al

Manufacturing and finishing

CapabilityTi-13V-11Cr-3AlTi-3Al-8V-6Cr-4Mo-4Zr
Default condition——
Relative cost$$$$ High$$$$ High
Min. machined wall——
Best machined surface——

Both take the same 1 finish: Plasma Spray.

Ti-13V-11Cr-3Al vs Ti-3Al-8V-6Cr-4Mo-4Zr — frequently asked

What is the difference between Ti-13V-11Cr-3Al and Ti-3Al-8V-6Cr-4Mo-4Zr?

Titanium Ti-13V-11Cr-3Al and Ti-3Al-8V-6Cr-4Mo-4Zr are both titanium grades. Both yield at about 860 MPa — strength does not separate them. Ti-3Al-8V-6Cr-4Mo-4Zr is the more ductile: elongation 18% versus 16% for Ti-13V-11Cr-3Al.

Which is cheaper, Ti-13V-11Cr-3Al or Ti-3Al-8V-6Cr-4Mo-4Zr?

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

Which welds better, Ti-13V-11Cr-3Al or Ti-3Al-8V-6Cr-4Mo-4Zr?

Ti-3Al-8V-6Cr-4Mo-4Zr. Its weldability rates good (60/100) against good (55/100) for Ti-13V-11Cr-3Al.

Ready to make it?

Upload a CAD file and FabDigit prices the part in Ti-13V-11Cr-3Al and Ti-3Al-8V-6Cr-4Mo-4Zr 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.