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Copper Alloy C17410-TH02 vs C17410-TM08

Copper Alloy · C17410 temper comparison

C17410-TH02 and C17410-TM08 are two conditions of the same copper alloy grade, C17410: TH02 (TD02 and precipitation hardened) versus TM08 (mill hardened, spring hard). The chemistry is identical, so every difference below comes from the condition. C17410-TM08 is the stronger of the two: yield strength 795 MPa (115 ksi) against 655 MPa (95 ksi) for C17410-TH02, about 21% more; tensile strength follows at 830 MPa (120 ksi) vs 725 MPa (105 ksi). In exchange, C17410-TH02 is the more ductile: elongation 10% versus 6% for C17410-TM08, and C17410-TM08 is harder (248 HV vs 208 HV).

C17410-TH02Choose it when the part is bent, formed or impact-loaded.

C17410-TM08Choose it when strength drives the design.

C17410-TH02 vs C17410-TM08: properties

C17410-TH02C17410-TM08

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

725 MPa105 ksi
830 MPa120 ksi

Yield Strength (0.2% offset)

655 MPa95 ksi
795 MPa115 ksi

Elongation at Break

10%
6%

Shear Strength

470 MPa68.2 ksi
525 MPa76.1 ksi

Fatigue Strength (Endurance Limit)

270 MPa39.2 ksi
305 MPa44.2 ksi

Hardness, Rockwell B

94 HRB
99 HRB

Hardness, Vickers

208 HV
248 HV

Same in both: Elastic (Young's) Modulus 138 GPa20 Msi · Shear Modulus 53 GPa7.7 Msi · Bulk Modulus 115 GPa16.7 Msi · Poisson's Ratio 0.3

Physical

Density and transition temperatures.

Same in both: Density 8.83 g/cm³0.32 lb/in³ · Melting Point (Solidus) 1,030°C1,886 °F · Liquidus Temperature 1,070°C1,958 °F

Thermal

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

Thermal Conductivity

210 W/m·K121 BTU/hr·ft·°F
200 W/m·K116 BTU/hr·ft·°F

Same in both: Specific Heat Capacity 420 J/kg·K0.1 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 · Max Service Temperature (continuous) 200°C392 °F · Min Service Temperature -200°C-328 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

49 % IACS
45 % IACS

Electrical Resistivity

3.52×10⁻⁸ Ω·m1.39 µΩ·in
3.83×10⁻⁸ Ω·m1.51 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Same in both: Galvanic Potential (seawater, vs SCE) -0.2 V · Corrosion Resistance 62 / 100

Manufacturability

FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.

Weldability

55 / 100
50 / 100

Formability (cold)

42 / 100
25 / 100

Same in both: Machinability 45 / 100 · Machinability Rating (AISI 1212 = 100 %) 35% · Castability 45 / 100 · Brazeability / Solderability 80 / 100 · Polishability 80 / 100

Sustainability

Primary-production footprint per kilogram.

Same in both: Embodied Energy (primary production) 72 MJ/kg30,954 BTU/lb · Embodied Carbon (primary production) 5 kg CO₂/kg · Embodied Water 300 L/kg35.9 gal/lb · Typical Recycled Content 30%

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.

501002005001,0007.588.599.5Density (g/cm³)Yield strength (MPa) — log scaleC17410

C17410-TH02 vs C17410-TM08 — frequently asked

Is C17410-TM08 stronger than C17410-TH02?

Yes. C17410-TM08 has a typical yield strength of 795 MPa (115 ksi) against 655 MPa (95 ksi) for C17410-TH02 — about 21% more. Tensile strength is 830 MPa (120 ksi) vs 725 MPa (105 ksi).

Which condition does FabDigit quote by default, TH02 or TM08?

TM04 is the default C17410 condition in the FabDigit quote flow (neither TH02 nor TM08). 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, C17410-TH02 or C17410-TM08?

C17410-TH02. Its weldability rates good (55/100) against fair (50/100) for C17410-TM08.

Ready to make it?

Upload a CAD file and FabDigit prices the part in C17410-TH02 and C17410-TM08 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.