Titanium BT5 Annealed vs BT5 HotWorked
Titanium · BT5 temper comparison
BT5 Annealed and BT5 HotWorked are two conditions of the same titanium grade, BT5: Annealed versus HotWorked (hot Rolled / As-Forged). The chemistry is identical, so every difference below comes from the condition. BT5 HotWorked is the stronger of the two: yield strength 780 MPa (113 ksi) against 740 MPa (107 ksi) for BT5 Annealed, about 5% more. In exchange, BT5 Annealed is the more ductile: elongation 13% versus 11% for BT5 HotWorked, and BT5 HotWorked is harder (285 HB vs 265 HB). BT5 Annealed runs hotter in service (400°C vs 350°C continuous).
BT5 AnnealedChoose it when the part is bent, formed or impact-loaded, or when the part sees heat.
BT5 HotWorkedChoose it when strength drives the design.
BT5 Annealed vs BT5 HotWorked: 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.
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: Elastic (Young's) Modulus 112 GPa16.2 Msi · Shear Modulus 43 GPa6.2 Msi · Bulk Modulus 108 GPa15.7 Msi · Poisson's Ratio 0.32
Physical
Density and transition temperatures.
Same in both: Density 4.4 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)
Same in both: Thermal Conductivity 8.4 W/m·K4.9 BTU/hr·ft·°F · Specific Heat Capacity 530 J/kg·K0.13 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 8.8 µm/m·K4.9 µin/in·°F · Latent Heat of Fusion 365 J/g157 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
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 %)
Weldability
Formability (cold)
Same in both: Castability 55 / 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) 46 kg CO₂/kg · Embodied Water 400 L/kg47.9 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.
BT5 Annealed vs BT5 HotWorked — frequently asked
Is BT5 HotWorked stronger than BT5 Annealed?
Yes. BT5 HotWorked has a typical yield strength of 780 MPa (113 ksi) against 740 MPa (107 ksi) for BT5 Annealed — about 5% more. Tensile strength is 870 MPa (126 ksi) vs 830 MPa (120 ksi).
Which condition does FabDigit quote by default, Annealed or HotWorked?
Annealed is the default BT5 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 welds better, BT5 Annealed or BT5 HotWorked?
BT5 Annealed. Its weldability rates very good (78/100) against very good (72/100) for BT5 HotWorked.
Ready to make it?
Upload a CAD file and FabDigit prices the part in BT5 Annealed and BT5 HotWorked 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.