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Titanium Grade 2 vs Ti Grade 33

Titanium · grade comparison

Titanium Grade 2 and Ti Grade 33 are both titanium grades. Grade 2 is the stronger of the two: yield strength 380 MPa (55.1 ksi) against 320 MPa (46.4 ksi) for Ti Grade 33, about 19% more. Grade 2 is the more ductile: elongation 28% versus 25% for Ti Grade 33, and Ti Grade 33 is harder (160 HB vs 150 HB). On the shop floor, Ti Grade 33 sits in a lower cost tier (high, $$$$) than Grade 2 (specialty, $$$$$).

Grade 2Choose it when strength drives the design, or when the part is bent, formed or impact-loaded.

Ti Grade 33Choose it when cost is the deciding factor.

Grade 2 vs Ti Grade 33: properties

Grade 2Ti Grade 33

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

103 GPa14.9 Msi
105 GPa15.2 Msi

Tensile Strength (Ultimate)

440 MPa63.8 ksi
420 MPa60.9 ksi

Yield Strength (0.2% offset)

380 MPa55.1 ksi
320 MPa46.4 ksi

Elongation at Break

28%
25%

Reduction in Area

50%
40%

Compressive Strength

440 MPa63.8 ksi
330 MPa47.9 ksi

Shear Strength

320 MPa46.4 ksi
285 MPa41.3 ksi

Fracture Toughness (K_IC)

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

Charpy V-Notch Impact (RT)

40 J29.5 ft·lbf
45 J33.2 ft·lbf

Hardness, Brinell

150 HB
160 HB

Hardness, Rockwell B

80 HRB
82 HRB

Hardness, Vickers

160 HV
170 HV

Same in both: Shear Modulus 45 GPa6.5 Msi · Bulk Modulus 110 GPa16 Msi · Poisson's Ratio 0.34 · Fatigue Strength (Endurance Limit) 240 MPa34.8 ksi

Physical

Density and transition temperatures.

Melting Point (Solidus)

1,665°C3,029 °F
1,655°C3,011 °F

Same in both: Density 4.51 g/cm³0.16 lb/in³ · Liquidus Temperature 1,670°C3,038 °F

Thermal

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

Thermal Conductivity

16.4 W/m·K9.5 BTU/hr·ft·°F
16.5 W/m·K9.5 BTU/hr·ft·°F

Thermal Expansion (CTE, 20–100 °C)

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

Max Service Temperature (continuous)

300°C572 °F
315°C599 °F

Min Service Temperature

-250°C-418 °F
-196°C-321 °F

Same in both: Specific Heat Capacity 523 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 3.1 % IACS · Electrical Resistivity 5.6×10⁻⁷ Ω·m22 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.1 V
-0.12 V

Corrosion Resistance

93 / 100
94 / 100

Manufacturability

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

Machinability

40 / 100
38 / 100

Machinability Rating (AISI 1212 = 100 %)

40%
35%

Weldability

90 / 100
88 / 100

Formability (cold)

78 / 100
75 / 100

Castability

45 / 100
25 / 100

Brazeability / Solderability

35 / 100
40 / 100

Polishability

75 / 100
70 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Carbon (primary production)

38 kg CO₂/kg
40 kg CO₂/kg

Embodied Water

500 L/kg59.9 gal/lb
420 L/kg50.3 gal/lb

Typical Recycled Content

25%
20%

Same in both: Embodied Energy (primary production) 650 MJ/kg279,450 BTU/lb

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

98 kN·m/kg
93 kN·m/kg

Specific Stiffness (E / density)

22.8 MN·m/kg
23.3 MN·m/kg

Modulus of Resilience

701 kJ/m³
488 kJ/m³

Same in both: Thermal Diffusivity 7 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 scaleGrade 2Ti Grade 33

Manufacturing and finishing

CapabilityGrade 2Ti Grade 33
CNC machiningYes—
Sheet metalYes—
Default conditionO—
Relative cost$$$$$ Specialty$$$$ High
Min. machined wall1 mm—
Best machined surfaceRa 1.6 µm—
AlCrNYes—
AlTiNYes—
Anodizing Type IIYes—
CVD Al2O3Yes—
CVD TiCNYes—
CVD TiNYes—
CerakoteYes—
CrNYes—
DLCYes—
ElectropolishingYes—
HVOF CoatingYes—
MoS2Yes—
Multilayer CVDYes—
TiAlNYes—
TiB2Yes—
TiCNYes—
TiNYes—
WC/CYes—

They share 1 finish: Plasma Spray.

Grade 2 vs Ti Grade 33 — frequently asked

Is Grade 2 stronger than Ti Grade 33?

Yes. Grade 2 has a typical yield strength of 380 MPa (55.1 ksi) against 320 MPa (46.4 ksi) for Ti Grade 33 — about 19% more. Tensile strength is 440 MPa (63.8 ksi) vs 420 MPa (60.9 ksi).

Which is cheaper, Grade 2 or Ti Grade 33?

Ti Grade 33 is the lower-cost material: it sits in the high tier ($$$$) while Grade 2 is specialty ($$$$$). Part price depends far more on geometry, tolerance and quantity than on raw stock — upload a CAD file for a live quote.

When should I choose Grade 2 over Ti Grade 33?

Pick Grade 2 when strength drives the design, or when the part is bent, formed or impact-loaded. Pick Ti Grade 33 when cost is the deciding factor.

Ready to make it?

Upload a CAD file and FabDigit prices the part in Grade 2 and Ti Grade 33 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.