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Copper Alloy C17410 vs C17450

Copper Alloy · grade comparison

Copper Alloy C17410 and C17450 are both copper alloy grades. C17410 is the stronger of the two: yield strength 690 MPa (100 ksi) against 600 MPa (87 ksi) for C17450, about 15% more. In exchange, C17450 is the more ductile: elongation 12% versus 10% for C17410. On the shop floor, C17410 machines more easily (45 vs 35 out of 100).

C17410Choose it when strength drives the design, or when the part is machined in volume.

C17450Choose it when the part is bent, formed or impact-loaded.

C17410 vs C17450: properties

C17410C17450

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

725 MPa105 ksi
700 MPa102 ksi

Yield Strength (0.2% offset)

690 MPa100 ksi
600 MPa87 ksi

Elongation at Break

10%
12%

Shear Strength

470 MPa68.2 ksi
420 MPa60.9 ksi

Fatigue Strength (Endurance Limit)

270 MPa39.2 ksi
260 MPa37.7 ksi

Hardness, Rockwell B

95 HRB
93 HRB

Hardness, Vickers

215 HV
210 HV

Hardness, Brinell

—
200 HB

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.

Density

8.83 g/cm³0.32 lb/in³
8.8 g/cm³0.32 lb/in³

Same in both: 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

205 W/m·K118 BTU/hr·ft·°F
210 W/m·K121 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

47 % IACS
50 % IACS

Electrical Resistivity

3.67×10⁻⁸ Ω·m1.44 µΩ·in
3.45×10⁻⁸ Ω·m1.36 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

62 / 100
58 / 100

Same in both: Galvanic Potential (seawater, vs SCE) -0.2 V

Manufacturability

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

Machinability

45 / 100
35 / 100

Machinability Rating (AISI 1212 = 100 %)

35%
20%

Formability (cold)

45 / 100
55 / 100

Castability

45 / 100
—

Brazeability / Solderability

80 / 100
75 / 100

Polishability

80 / 100
78 / 100

Same in both: Weldability 55 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

72 MJ/kg30,954 BTU/lb
75 MJ/kg32,244 BTU/lb

Embodied Carbon (primary production)

5 kg CO₂/kg
5.2 kg CO₂/kg

Embodied Water

300 L/kg35.9 gal/lb
250 L/kg30 gal/lb

Typical Recycled Content

30%
25%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

82 kN·m/kg
80 kN·m/kg

Specific Stiffness (E / density)

15.6 MN·m/kg
15.7 MN·m/kg

Modulus of Resilience

1,725 kJ/m³
1,304 kJ/m³

Thermal Diffusivity

55.3 mm²/s
56.8 mm²/s

Same in both: Thermal Shock Resistance Index 61

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 scaleC17410C17450

Manufacturing and finishing

CapabilityC17410C17450
Default condition——
Relative cost$$$$ High$$$$ High
Min. machined wall——
Best machined surface——

Both take the same 4 finishes: Copper Plating, Electroless Nickel (EN), Gold Plating, Silver Plating.

C17410 vs C17450 — frequently asked

Is C17410 stronger than C17450?

Yes. C17410 has a typical yield strength of 690 MPa (100 ksi) against 600 MPa (87 ksi) for C17450 — about 15% more. Tensile strength is 725 MPa (105 ksi) vs 700 MPa (102 ksi).

Which is cheaper, C17410 or C17450?

Both sit in the same relative cost tier ($$$$, high); the part price will be decided by machining time, tolerance and quantity rather than by the material.

Which is easier to machine, C17410 or C17450?

C17410, by a small margin. Both rate fair for machinability — 45/100 against 35/100 for C17450.

Ready to make it?

Upload a CAD file and FabDigit prices the part in C17410 and C17450 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.