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Copper Alloy C17000-TD04 vs C17000-TH02

Copper Alloy · C17000 temper comparison

C17000-TD04 and C17000-TH02 are two conditions of the same copper alloy grade, C17000: TD04 (solution heat treated and cold worked, full hard) versus TH02 (TD02 and precipitation hardened). The chemistry is identical, so every difference below comes from the condition. C17000-TH02 is the stronger of the two: yield strength 1,085 MPa (157 ksi) against 690 MPa (100 ksi) for C17000-TD04, about 57% more; tensile strength follows at 1,220 MPa (177 ksi) vs 760 MPa (110 ksi). In exchange, C17000-TD04 is the more ductile: elongation 5% versus 4% for C17000-TH02, and C17000-TH02 is harder (355 HB vs 215 HB). C17000-TH02 runs hotter in service (200°C vs 150°C continuous) and C17000-TH02 conducts heat better (107 W/m·K vs 84 W/m·K). On the shop floor, C17000-TD04 welds better (good vs fair).

C17000-TD04Choose it when the part is bent, formed or impact-loaded, or when it will be welded.

C17000-TH02Choose it when strength drives the design, or when the part sees heat.

C17000-TD04 vs C17000-TH02: properties

C17000-TD04C17000-TH02

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

128 GPa18.6 Msi
131 GPa19 Msi

Tensile Strength (Ultimate)

760 MPa110 ksi
1,220 MPa177 ksi

Yield Strength (0.2% offset)

690 MPa100 ksi
1,085 MPa157 ksi

Elongation at Break

5%
4%

Reduction in Area

30%
16%

Compressive Strength

730 MPa106 ksi
1,180 MPa171 ksi

Shear Strength

490 MPa71.1 ksi
730 MPa106 ksi

Fatigue Strength (Endurance Limit)

240 MPa34.8 ksi
310 MPa45 ksi

Fracture Toughness (K_IC)

55 MPa·√m50.1 ksi·√in
43 MPa·√m39.1 ksi·√in

Charpy V-Notch Impact (RT)

20 J14.8 ft·lbf
10 J7.4 ft·lbf

Hardness, Brinell

215 HB
355 HB

Hardness, Rockwell C

20 HRC
38 HRC

Hardness, Vickers

230 HV
375 HV

Same in both: Shear Modulus 50 GPa7.3 Msi · Bulk Modulus 115 GPa16.7 Msi · Poisson's Ratio 0.3

Physical

Density and transition temperatures.

Same in both: Density 8.41 g/cm³0.3 lb/in³ · Melting Point (Solidus) 866°C1,591 °F · Liquidus Temperature 980°C1,796 °F

Thermal

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

Thermal Conductivity

84 W/m·K48.5 BTU/hr·ft·°F
107 W/m·K61.8 BTU/hr·ft·°F

Max Service Temperature (continuous)

150°C302 °F
200°C392 °F

Same in both: Specific Heat Capacity 420 J/kg·K0.1 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 17 µm/m·K9.4 µin/in·°F · Latent Heat of Fusion 200 J/g86 BTU/lb · Min Service Temperature -200°C-328 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

17 % IACS
23 % IACS

Electrical Resistivity

1.01×10⁻⁷ Ω·m3.98 µΩ·in
7.5×10⁻⁸ Ω·m2.95 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Same in both: Galvanic Potential (seawater, vs SCE) -0.2 V · Corrosion Resistance 70 / 100

Manufacturability

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

Machinability

37 / 100
40 / 100

Machinability Rating (AISI 1212 = 100 %)

28%
30%

Weldability

55 / 100
45 / 100

Formability (cold)

35 / 100
15 / 100

Same in both: Castability 45 / 100 · Brazeability / Solderability 70 / 100 · Polishability 85 / 100

Sustainability

Primary-production footprint per kilogram.

Same in both: Embodied Energy (primary production) 95 MJ/kg40,843 BTU/lb · Embodied Carbon (primary production) 6.5 kg CO₂/kg · Embodied Water 260 L/kg31.2 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 scaleC17000

C17000-TD04 vs C17000-TH02 — frequently asked

Is C17000-TH02 stronger than C17000-TD04?

Yes. C17000-TH02 has a typical yield strength of 1,085 MPa (157 ksi) against 690 MPa (100 ksi) for C17000-TD04 — about 57% more. Tensile strength is 1,220 MPa (177 ksi) vs 760 MPa (110 ksi).

Which condition does FabDigit quote by default, TD04 or TH02?

TF00 is the default C17000 condition in the FabDigit quote flow (neither TD04 nor TH02). 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, C17000-TD04 or C17000-TH02?

C17000-TD04. Its weldability rates good (55/100) against fair (45/100) for C17000-TH02.

Ready to make it?

Upload a CAD file and FabDigit prices the part in C17000-TD04 and C17000-TH02 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.