Titanium Grade 23 vs Grade 9
Titanium · grade comparison
Titanium Grade 23 and Grade 9 are both titanium grades. Grade 23 is the stronger of the two: yield strength 850 MPa (123 ksi) against 570 MPa (82.7 ksi) for Grade 9, about 49% more; tensile strength follows at 930 MPa (135 ksi) vs 690 MPa (100 ksi). In exchange, Grade 9 is the more ductile: elongation 20% versus 15% for Grade 23, and Grade 23 is harder (320 HB vs 250 HB). Grade 23 is stiffer (113 GPa vs 100 GPa) and Grade 23 runs hotter in service (350°C vs 300°C continuous).
Grade 23Choose it when strength drives the design, or when the part sees heat.
Grade 9Choose it when the part is bent, formed or impact-loaded.
Grade 23 vs Grade 9: propertiesHow to read these bars
- One bar per material. A full bar is the highest value among all titanium grades in the FabDigit library; each bar is drawn as a share of that.
- The better value (by the usual engineering direction) is in bold. Rows with no direction — density, thermal conductivity — have no bold.
- Values are typical room-temperature figures for the condition named on each card.
- Confirm against the certified mill or resin datasheet before design release.
How to read these bars
- One bar per material. A full bar is the highest value among all titanium grades in the FabDigit library; each bar is drawn as a share of that.
- The better value (by the usual engineering direction) is in bold. Rows with no direction — density, thermal conductivity — have no bold.
- Values are typical room-temperature figures for the condition named on each card.
- Confirm against the certified mill or resin datasheet before design release.
Mechanical
Strength, stiffness, ductility and hardness at room temperature.
Elastic (Young's) Modulus
Bulk Modulus
Poisson's Ratio
Tensile Strength (Ultimate)
Yield Strength (0.2% offset)
Elongation at Break
Reduction in Area
Compressive Strength
Shear Strength
Fatigue Strength (Endurance Limit)
Fracture Toughness (K_IC)
Charpy V-Notch Impact (RT)
Hardness, Brinell
Hardness, Rockwell C
Hardness, Vickers
Same in both: Shear Modulus 44 GPa6.4 Msi
Physical
Density and transition temperatures.
Density
Melting Point (Solidus)
Liquidus Temperature
Thermal
How each material carries heat and how hot it can run.
Thermal Conductivity
Specific Heat Capacity
Thermal Expansion (CTE, 20–100 °C)
Max Service Temperature (continuous)
Min Service Temperature
Same in both: Latent Heat of Fusion 365 J/g157 BTU/lb
Electrical
Conductivity and insulation.
Electrical Conductivity
Electrical Resistivity
Chemical & Environmental
Corrosion and environmental resistance (0–100 scores).
Corrosion Resistance
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
Machinability Rating (AISI 1212 = 100 %)
Formability (cold)
Castability
Brazeability / Solderability
Polishability
Same in both: Weldability 80 / 100
Sustainability
Primary-production footprint per kilogram.
Embodied Energy (primary production)
Embodied Carbon (primary production)
Embodied Water
Typical Recycled Content
Common Calculations
Ratios derived from the values above.
Specific Strength (UTS / density)
Specific Stiffness (E / density)
Modulus of Resilience
Thermal Diffusivity
Same in both: Thermal Shock Resistance Index 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.
Manufacturing and finishing
| Capability | Grade 23 | Grade 9 |
|---|---|---|
| 3D printing | Yes | — |
| Default condition | O | O |
| Relative cost | $$$$ High | $$$$ High |
| Min. machined wall | 1 mm | 1 mm |
| Best machined surface | Ra 1.6 µm | Ra 1.6 µm |
Both are offered for CNC machining and Sheet metal. Both take the same 20 finishes: AlCrN, AlTiN, Anodizing Type II, CVD Al2O3, CVD TiCN, CVD TiN, Cerakote, CrN, DLC, Electropolishing, HVOF Coating, MoS2 and 8 more.
Grade 23 vs Grade 9 — frequently asked
Is Grade 23 stronger than Grade 9?
Yes. Grade 23 has a typical yield strength of 850 MPa (123 ksi) against 570 MPa (82.7 ksi) for Grade 9 — about 49% more. Tensile strength is 930 MPa (135 ksi) vs 690 MPa (100 ksi).
Which is cheaper, Grade 23 or Grade 9?
Both sit in the same relative cost tier ($$$$, high); the part price will be decided by machining time, tolerance and quantity rather than by the material.
Which is easier to machine, Grade 23 or Grade 9?
Grade 9, by a small margin. Both rate poor for machinability — 28/100 against 20/100 for Grade 23.
Ready to make it?
Upload a CAD file and FabDigit prices the part in Grade 23 and Grade 9 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.