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Titanium VT14-AW vs VT14-STA

Titanium · VT14 temper comparison

VT14-AW and VT14-STA are two conditions of the same titanium grade, VT14: AW (as-welded deposit) versus STA (solution treated and aged). The chemistry is identical, so every difference below comes from the condition. VT14-STA is the stronger of the two: yield strength 1,080 MPa (157 ksi) against 830 MPa (120 ksi) for VT14-AW, about 30% more; tensile strength follows at 1,180 MPa (171 ksi) vs 900 MPa (131 ksi). VT14-STA is the more ductile: elongation 8% versus 7% for VT14-AW, and VT14-STA is harder (360 HB vs 310 HB). VT14-STA runs hotter in service (400°C vs 350°C continuous). On the shop floor, VT14-AW welds better (very good vs fair).

VT14-AWChoose it when it will be welded.

VT14-STAChoose it when strength drives the design, or when the part is bent, formed or impact-loaded.

VT14-AW vs VT14-STA: properties

VT14-AWVT14-STA

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

900 MPa131 ksi
1,180 MPa171 ksi

Yield Strength (0.2% offset)

830 MPa120 ksi
1,080 MPa157 ksi

Elongation at Break

7%
8%

Reduction in Area

18%
22%

Compressive Strength

950 MPa138 ksi
960 MPa139 ksi

Shear Strength

555 MPa80.5 ksi
700 MPa102 ksi

Fatigue Strength (Endurance Limit)

330 MPa47.9 ksi
550 MPa79.8 ksi

Hardness, Brinell

310 HB
360 HB

Hardness, Rockwell C

33 HRC
38 HRC

Hardness, Vickers

325 HV
375 HV

Same in both: Elastic (Young's) Modulus 115 GPa16.7 Msi · Shear Modulus 44 GPa6.4 Msi · Bulk Modulus 110 GPa16 Msi · Poisson's Ratio 0.32 · Fracture Toughness (K_IC) 45 MPa·√m41 ksi·√in · Charpy V-Notch Impact (RT) 20 J14.8 ft·lbf

Physical

Density and transition temperatures.

Same in both: Density 4.52 g/cm³0.16 lb/in³ · Melting Point (Solidus) 1,600°C2,912 °F · Liquidus Temperature 1,660°C3,020 °F

Thermal

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

Max Service Temperature (continuous)

350°C662 °F
400°C752 °F

Same in both: Thermal Conductivity 8.4 W/m·K4.9 BTU/hr·ft·°F · Specific Heat Capacity 500 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 390 J/g168 BTU/lb · Min Service Temperature -196°C-321 °F

Electrical

Conductivity and insulation.

Same in both: Electrical Conductivity 1.1 % IACS · Electrical Resistivity 1.6×10⁻⁶ Ω·m63 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

87 / 100
90 / 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

18 / 100
16 / 100

Machinability Rating (AISI 1212 = 100 %)

16%
20%

Weldability

70 / 100
45 / 100

Same in both: Formability (cold) 20 / 100 · Castability 35 / 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 350 L/kg41.9 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 scaleVT14

VT14-AW vs VT14-STA — frequently asked

Is VT14-STA stronger than VT14-AW?

Yes. VT14-STA has a typical yield strength of 1,080 MPa (157 ksi) against 830 MPa (120 ksi) for VT14-AW — about 30% more. Tensile strength is 1,180 MPa (171 ksi) vs 900 MPa (131 ksi).

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

Annealed is the default VT14 condition in the FabDigit quote flow (neither AW nor STA). 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 welds better, VT14-AW or VT14-STA?

VT14-AW. Its weldability rates very good (70/100) against fair (45/100) for VT14-STA.

Ready to make it?

Upload a CAD file and FabDigit prices the part in VT14-AW and VT14-STA 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.