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Copper Alloy C14500 vs C15760

Copper Alloy · grade comparison

Copper Alloy C14500 and C15760 are both copper alloy grades. C15760 is the stronger of the two: yield strength 545 MPa (79 ksi) against 275 MPa (39.9 ksi) for C14500, about 98% more; tensile strength follows at 600 MPa (87 ksi) vs 310 MPa (45 ksi). In exchange, C14500 is the more ductile: elongation 18% versus 11% for C15760, and C15760 is harder (165 HB vs 85 HB). C15760 is stiffer (130 GPa vs 117 GPa) and C15760 runs hotter in service (500°C vs 200°C continuous). On the shop floor, C14500 machines more easily (excellent vs poor).

C14500Choose it when the part is bent, formed or impact-loaded, or when the part is machined in volume.

C15760Choose it when strength drives the design, or when the part sees heat.

C14500 vs C15760: properties

C14500C15760

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

117 GPa17 Msi
130 GPa18.9 Msi

Shear Modulus

44 GPa6.4 Msi
48 GPa7 Msi

Bulk Modulus

140 GPa20.3 Msi
138 GPa20 Msi

Poisson's Ratio

0.34
0.33

Tensile Strength (Ultimate)

310 MPa45 ksi
600 MPa87 ksi

Yield Strength (0.2% offset)

275 MPa39.9 ksi
545 MPa79 ksi

Elongation at Break

18%
11%

Shear Strength

195 MPa28.3 ksi
360 MPa52.2 ksi

Fatigue Strength (Endurance Limit)

95 MPa13.8 ksi
230 MPa33.4 ksi

Hardness, Brinell

85 HB
165 HB

Hardness, Rockwell B

40 HRB
85 HRB

Reduction in Area

—
25%

Compressive Strength

—
560 MPa81.2 ksi

Fracture Toughness (K_IC)

—
40 MPa·√m36.4 ksi·√in

Charpy V-Notch Impact (RT)

—
15 J11.1 ft·lbf

Hardness, Vickers

—
175 HV

Physical

Density and transition temperatures.

Density

8.94 g/cm³0.32 lb/in³
8.81 g/cm³0.32 lb/in³

Melting Point (Solidus)

1,051°C1,924 °F
1,083°C1,981 °F

Liquidus Temperature

1,065°C1,949 °F
1,083°C1,981 °F

Thermal

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

Thermal Conductivity

350 W/m·K202 BTU/hr·ft·°F
322 W/m·K186 BTU/hr·ft·°F

Specific Heat Capacity

385 J/kg·K0.09 BTU/lb·°F
380 J/kg·K0.09 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

17.6 µm/m·K9.8 µin/in·°F
16.6 µm/m·K9.2 µin/in·°F

Max Service Temperature (continuous)

200°C392 °F
500°C932 °F

Same in both: Latent Heat of Fusion 205 J/g88.1 BTU/lb · Min Service Temperature -200°C-328 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

92 % IACS
78 % IACS

Electrical Resistivity

1.87×10⁻⁸ Ω·m0.736 µΩ·in
2.21×10⁻⁸ Ω·m0.87 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.2 V
-0.22 V

Corrosion Resistance

65 / 100
45 / 100

Manufacturability

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

Machinability

85 / 100
30 / 100

Weldability

25 / 100
30 / 100

Formability (cold)

40 / 100
35 / 100

Brazeability / Solderability

90 / 100
70 / 100

Polishability

70 / 100
60 / 100

Machinability Rating (AISI 1212 = 100 %)

—
20%

Castability

—
5 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

57 MJ/kg24,506 BTU/lb
75 MJ/kg32,244 BTU/lb

Embodied Carbon (primary production)

3.6 kg CO₂/kg
4.6 kg CO₂/kg

Typical Recycled Content

35%
0%

Same in both: Embodied Water 260 L/kg31.2 gal/lb

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

35 kN·m/kg
68 kN·m/kg

Specific Stiffness (E / density)

13.1 MN·m/kg
14.8 MN·m/kg

Modulus of Resilience

323 kJ/m³
1,142 kJ/m³

Thermal Diffusivity

101.7 mm²/s
96.2 mm²/s

Thermal Shock Resistance Index

53
90

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 scaleC14500C15760

Manufacturing and finishing

CapabilityC14500C15760
CNC machiningYes—
Sheet metalYes—
Default conditionH02—
Relative cost$$$$ High$$$$ High
Min. machined wall0.8 mm—
Best machined surfaceRa 1.6 µm—
Chrome PlatingYes—
ElectropolishingYes—
Nickel PlatingYes—
PaintingYes—
Tin PlatingYes—

They share 4 finishes: Copper Plating, Electroless Nickel (EN), Gold Plating, Silver Plating.

C14500 vs C15760 — frequently asked

Is C15760 stronger than C14500?

Yes. C15760 has a typical yield strength of 545 MPa (79 ksi) against 275 MPa (39.9 ksi) for C14500 — about 98% more. Tensile strength is 600 MPa (87 ksi) vs 310 MPa (45 ksi).

Which is cheaper, C14500 or C15760?

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, C14500 or C15760?

C14500. Its machinability rates excellent (85/100) against poor (30/100) for C15760; for welding the order is C15760 first (poor, 30/100) then C14500 (poor, 25/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in C14500 and C15760 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.