Titanium Grade 12 CWSR vs Grade 12-O
Titanium · Grade 12 temper comparison
Grade 12 CWSR and Grade 12-O are two conditions of the same titanium grade, Grade 12: CWSR (cold worked and stress relieved) versus O (annealed). The chemistry is identical, so every difference below comes from the condition. Grade 12 CWSR is the stronger of the two: yield strength 570 MPa (82.7 ksi) against 420 MPa (60.9 ksi) for Grade 12-O, about 36% more; tensile strength follows at 660 MPa (95.7 ksi) vs 550 MPa (79.8 ksi). In exchange, Grade 12-O is the more ductile: elongation 22% versus 15% for Grade 12 CWSR, and Grade 12 CWSR is harder (235 HB vs 200 HB).
Grade 12 CWSRChoose it when strength drives the design.
Grade 12-OChoose it when the part is bent, formed or impact-loaded.
Grade 12 CWSR vs Grade 12-O: 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 B
Hardness, Vickers
Same in both: Elastic (Young's) Modulus 103 GPa14.9 Msi · Shear Modulus 42 GPa6.1 Msi · Bulk Modulus 110 GPa16 Msi · Poisson's Ratio 0.32
Physical
Density and transition temperatures.
Same in both: Density 4.51 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.
Max Service Temperature (continuous)
Same in both: Thermal Conductivity 19 W/m·K11 BTU/hr·ft·°F · Specific Heat Capacity 544 J/kg·K0.13 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 9.5 µm/m·K5.3 µin/in·°F · Latent Heat of Fusion 325 J/g140 BTU/lb · Min Service Temperature -100°C-148 °F
Electrical
Conductivity and insulation.
Same in both: Electrical Conductivity 3.3 % IACS · Electrical Resistivity 5.2×10⁻⁷ Ω·m20.5 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 30 / 100 · Brazeability / Solderability 40 / 100 · Polishability 65 / 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.
Grade 12 CWSR vs Grade 12-O — frequently asked
Is Grade 12 CWSR stronger than Grade 12-O?
Yes. Grade 12 CWSR has a typical yield strength of 570 MPa (82.7 ksi) against 420 MPa (60.9 ksi) for Grade 12-O — about 36% more. Tensile strength is 660 MPa (95.7 ksi) vs 550 MPa (79.8 ksi).
Which condition does FabDigit quote by default, CWSR or O?
O is the default Grade 12 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, Grade 12 CWSR or Grade 12-O?
Grade 12-O. Its weldability rates excellent (85/100) against very good (80/100) for Grade 12 CWSR.
Ready to make it?
Upload a CAD file and FabDigit prices the part in Grade 12 CWSR and Grade 12-O 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.