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Titanium C-9-F vs C-9-HIP

Titanium · C-9 temper comparison

C-9-F and C-9-HIP are two conditions of the same titanium grade, C-9: F (as fabricated) versus HIP (hot isostatic pressed). The chemistry is identical, so every difference below comes from the condition. Both yield at about 540 MPa — the mechanical properties are the same, and the difference is in how the stock is processed and what it is certified to (as fabricated versus hot isostatic pressed). C-9-HIP is the more ductile: elongation 14% versus 10% for C-9-F.

C-9-HIPChoose it when the part is bent, formed or impact-loaded.

C-9-F vs C-9-HIP: properties

C-9-FC-9-HIP

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

670 MPa97.2 ksi
700 MPa102 ksi

Yield Strength (0.2% offset)

540 MPa78.3 ksi
560 MPa81.2 ksi

Elongation at Break

10%
14%

Reduction in Area

17%
26%

Compressive Strength

610 MPa88.5 ksi
630 MPa91.4 ksi

Shear Strength

440 MPa63.8 ksi
455 MPa66 ksi

Fatigue Strength (Endurance Limit)

300 MPa43.5 ksi
400 MPa58 ksi

Fracture Toughness (K_IC)

65 MPa·√m59.2 ksi·√in
80 MPa·√m72.8 ksi·√in

Charpy V-Notch Impact (RT)

20 J14.8 ft·lbf
28 J20.7 ft·lbf

Hardness, Brinell

240 HB
235 HB

Hardness, Rockwell C

23 HRC
22 HRC

Hardness, Vickers

253 HV
248 HV

Same in both: Elastic (Young's) Modulus 100 GPa14.5 Msi · Shear Modulus 44 GPa6.4 Msi · Bulk Modulus 110 GPa16 Msi · Poisson's Ratio 0.3

Physical

Density and transition temperatures.

Same in both: Density 4.48 g/cm³0.16 lb/in³ · Melting Point (Solidus) 1,650°C3,002 °F · Liquidus Temperature 1,700°C3,092 °F

Thermal

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

Same in both: Thermal Conductivity 7.6 W/m·K4.4 BTU/hr·ft·°F · Specific Heat Capacity 544 J/kg·K0.13 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 9.4 µm/m·K5.2 µin/in·°F · Latent Heat of Fusion 365 J/g157 BTU/lb · Max Service Temperature (continuous) 300°C572 °F · Min Service Temperature -196°C-321 °F

Electrical

Conductivity and insulation.

Same in both: Electrical Conductivity 1.4 % IACS · Electrical Resistivity 1.26×10⁻⁶ Ω·m49.6 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Same in both: Galvanic Potential (seawater, vs SCE) -0.1 V · Corrosion Resistance 92 / 100

Manufacturability

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

Weldability

78 / 100
82 / 100

Formability (cold)

10 / 100
12 / 100

Same in both: Machinability 25 / 100 · Machinability Rating (AISI 1212 = 100 %) 22% · Castability 70 / 100 · Brazeability / Solderability 35 / 100 · Polishability 70 / 100

Sustainability

Primary-production footprint per kilogram.

Same in both: Embodied Energy (primary production) 650 MJ/kg279,450 BTU/lb · Embodied Carbon (primary production) 42 kg CO₂/kg · Embodied Water 450 L/kg53.9 gal/lb · Typical Recycled Content 35%

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-9

C-9-F vs C-9-HIP — frequently asked

What is the difference between C-9-F and C-9-HIP?

C-9-F and C-9-HIP are two conditions of the same titanium grade, C-9: F (as fabricated) versus HIP (hot isostatic pressed). The chemistry is identical, so every difference below comes from the condition. Both yield at about 540 MPa — the mechanical properties are the same, and the difference is in how the stock is processed and what it is certified to (as fabricated versus hot isostatic pressed).

Which condition does FabDigit quote by default, F or HIP?

A is the default C-9 condition in the FabDigit quote flow (neither F nor HIP). The other condition is available on request or by drawing note — specify it in the material field or the part notes and the quote is priced for it.

When should I choose C-9-F over C-9-HIP?

Pick C-9-HIP when the part is bent, formed or impact-loaded.

Ready to make it?

Upload a CAD file and FabDigit prices the part in C-9-F and C-9-HIP 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.