Copper Alloy C81500-TB00 vs C81500-TF00
Copper Alloy · C81500 temper comparison
C81500-TB00 and C81500-TF00 are two conditions of the same copper alloy grade, C81500: TB00 (solution heat treated) versus TF00 (solution heat treated and precipitation hardened). The chemistry is identical, so every difference below comes from the condition. C81500-TF00 is the stronger of the two: yield strength 275 MPa (39.9 ksi) against 95 MPa (13.8 ksi) for C81500-TB00, about 189% more; tensile strength follows at 350 MPa (50.8 ksi) vs 240 MPa (34.8 ksi). In exchange, C81500-TB00 is the more ductile: elongation 30% versus 17% for C81500-TF00, and C81500-TF00 is harder (105 HB vs 48 HB). C81500-TF00 runs hotter in service (350°C vs 200°C continuous) and C81500-TF00 conducts heat better (315 W/m·K vs 190 W/m·K).
C81500-TB00Choose it when the part is bent, formed or impact-loaded.
C81500-TF00Choose it when strength drives the design, or when the part sees heat.
C81500-TB00 vs C81500-TF00: propertiesHow to read these bars
- One bar per material. A full bar is the highest value among all copper alloy 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 copper alloy 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
Hardness, Brinell
Same in both: Elastic (Young's) Modulus 117 GPa17 Msi · Shear Modulus 44 GPa6.4 Msi · Bulk Modulus 138 GPa20 Msi · Poisson's Ratio 0.34 · Shear Strength 230 MPa33.4 ksi · Fatigue Strength (Endurance Limit) 125 MPa18.1 ksi · Hardness, Rockwell B 62 HRB
Physical
Density and transition temperatures.
Same in both: Density 8.89 g/cm³0.32 lb/in³ · Melting Point (Solidus) 1,075°C1,967 °F · Liquidus Temperature 1,080°C1,976 °F
Thermal
How each material carries heat and how hot it can run.
Thermal Conductivity
Max Service Temperature (continuous)
Same in both: Specific Heat Capacity 376 J/kg·K0.09 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 17.6 µm/m·K9.8 µin/in·°F · Latent Heat of Fusion 205 J/g88.1 BTU/lb · Min Service Temperature -200°C-328 °F
Electrical
Conductivity and insulation.
Electrical Conductivity
Electrical Resistivity
Chemical & Environmental
Corrosion and environmental resistance (0–100 scores).
Same in both: Galvanic Potential (seawater, vs SCE) -0.25 V · Corrosion Resistance 60 / 100
Manufacturability
FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.
Formability (cold)
Same in both: Machinability 30 / 100 · Machinability Rating (AISI 1212 = 100 %) 20% · Weldability 35 / 100 · Castability 60 / 100 · Brazeability / Solderability 60 / 100 · Polishability 60 / 100
Sustainability
Primary-production footprint per kilogram.
Same in both: Embodied Energy (primary production) 53 MJ/kg22,786 BTU/lb · Embodied Carbon (primary production) 3.4 kg CO₂/kg · Embodied Water 250 L/kg30 gal/lb · Typical Recycled Content 40%
Strength versus weight
Yield strength against density for every copper alloy grade in the FabDigit library; the compared grades are highlighted. Up and left is stronger for its weight.
C81500-TB00 vs C81500-TF00 — frequently asked
Is C81500-TF00 stronger than C81500-TB00?
Yes. C81500-TF00 has a typical yield strength of 275 MPa (39.9 ksi) against 95 MPa (13.8 ksi) for C81500-TB00 — about 189% more. Tensile strength is 350 MPa (50.8 ksi) vs 240 MPa (34.8 ksi).
Which condition does FabDigit quote by default, TB00 or TF00?
TF00 is the default C81500 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.
When should I choose C81500-TB00 over C81500-TF00?
Pick C81500-TB00 when the part is bent, formed or impact-loaded. Pick C81500-TF00 when strength drives the design, or when the part sees heat.
Ready to make it?
Upload a CAD file and FabDigit prices the part in C81500-TB00 and C81500-TF00 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.