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Titanium Ti Grade 7 Annealed vs Ti Grade 7-AW

Titanium · Ti Grade 7 temper comparison

Ti Grade 7 Annealed and Ti Grade 7-AW are two conditions of the same titanium grade, Ti Grade 7: Annealed versus AW (as-welded deposit). The chemistry is identical, so every difference below comes from the condition. Ti Grade 7-AW is the stronger of the two: yield strength 350 MPa (50.8 ksi) against 320 MPa (46.4 ksi) for Ti Grade 7 Annealed, about 9% more; tensile strength follows at 430 MPa (62.4 ksi) vs 400 MPa (58 ksi). In exchange, Ti Grade 7 Annealed is the more ductile: elongation 25% versus 18% for Ti Grade 7-AW, and Ti Grade 7-AW is harder (170 HB vs 150 HB).

Ti Grade 7 AnnealedChoose it when the part is bent, formed or impact-loaded.

Ti Grade 7-AWChoose it when strength drives the design.

Ti Grade 7 Annealed vs Ti Grade 7-AW: properties

Ti Grade 7 AnnealedTi Grade 7-AW

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

400 MPa58 ksi
430 MPa62.4 ksi

Yield Strength (0.2% offset)

320 MPa46.4 ksi
350 MPa50.8 ksi

Elongation at Break

25%
18%

Reduction in Area

45%
30%

Compressive Strength

350 MPa50.8 ksi
380 MPa55.1 ksi

Shear Strength

290 MPa42.1 ksi
305 MPa44.2 ksi

Fatigue Strength (Endurance Limit)

250 MPa36.3 ksi
180 MPa26.1 ksi

Fracture Toughness (K_IC)

80 MPa·√m72.8 ksi·√in
62 MPa·√m56.4 ksi·√in

Charpy V-Notch Impact (RT)

45 J33.2 ft·lbf
28 J20.7 ft·lbf

Hardness, Brinell

150 HB
170 HB

Hardness, Rockwell B

80 HRB
88 HRB

Hardness, Vickers

160 HV
180 HV

Same in both: Elastic (Young's) Modulus 105 GPa15.2 Msi · Shear Modulus 45 GPa6.5 Msi · Bulk Modulus 110 GPa16 Msi · Poisson's Ratio 0.34

Physical

Density and transition temperatures.

Same in both: Density 4.51 g/cm³0.16 lb/in³ · Melting Point (Solidus) 1,660°C3,020 °F · Liquidus Temperature 1,670°C3,038 °F

Thermal

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

Same in both: Thermal Conductivity 16.4 W/m·K9.5 BTU/hr·ft·°F · Specific Heat Capacity 523 J/kg·K0.12 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 8.6 µm/m·K4.8 µin/in·°F · Latent Heat of Fusion 295 J/g127 BTU/lb · Max Service Temperature (continuous) 300°C572 °F · Min Service Temperature -196°C-321 °F

Electrical

Conductivity and insulation.

Electrical Resistivity

5.2×10⁻⁷ Ω·m20.5 µΩ·in
5.3×10⁻⁷ Ω·m20.9 µΩ·in

Same in both: Electrical Conductivity 3.3 % IACS

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

97 / 100
95 / 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

40 / 100
35 / 100

Machinability Rating (AISI 1212 = 100 %)

35%
30%

Weldability

88 / 100
85 / 100

Formability (cold)

72 / 100
45 / 100

Same in both: Castability 45 / 100 · Brazeability / Solderability 45 / 100 · Polishability 70 / 100

Sustainability

Primary-production footprint per kilogram.

Same in both: Embodied Energy (primary production) 700 MJ/kg300,946 BTU/lb · Embodied Carbon (primary production) 42 kg CO₂/kg · Embodied Water 700 L/kg83.9 gal/lb · Typical Recycled Content 25%

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 Grade 7

Ti Grade 7 Annealed vs Ti Grade 7-AW — frequently asked

Is Ti Grade 7-AW stronger than Ti Grade 7 Annealed?

Yes. Ti Grade 7-AW has a typical yield strength of 350 MPa (50.8 ksi) against 320 MPa (46.4 ksi) for Ti Grade 7 Annealed — about 9% more. Tensile strength is 430 MPa (62.4 ksi) vs 400 MPa (58 ksi).

Which condition does FabDigit quote by default, Annealed or AW?

Annealed is the default Ti Grade 7 condition in the FabDigit quote flow. 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.

Which is easier to machine, Ti Grade 7 Annealed or Ti Grade 7-AW?

Ti Grade 7 Annealed, by a small margin. Both rate fair for machinability — 40/100 against 35/100 for Ti Grade 7-AW.

Ready to make it?

Upload a CAD file and FabDigit prices the part in Ti Grade 7 Annealed and Ti Grade 7-AW 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.