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Copper Alloy C52100 vs C62500

Copper Alloy · grade comparison

Copper Alloy C52100 and C62500 are both copper alloy grades. C52100 is the stronger of the two: yield strength 585 MPa (84.8 ksi) against 415 MPa (60.2 ksi) for C62500, about 41% more. C52100 is the more ductile: elongation 10% versus 2% for C62500, and C62500 is harder (240 HB vs 170 HB). C62500 is lighter (7.16 g/cm³ vs 8.8 g/cm³ for C52100) and C62500 runs hotter in service (300°C vs 200°C continuous). On the shop floor, C52100 welds better (fair vs poor) and C62500 sits in a lower cost tier (high, $$$$) than C52100 (specialty, $$$$$).

C52100Choose it when strength drives the design, or when the part is bent, formed or impact-loaded.

C62500Choose it when weight is the constraint, or when the part sees heat.

C52100 vs C62500: properties

C52100C62500

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

110 GPa16 Msi
114 GPa16.5 Msi

Shear Modulus

41 GPa5.9 Msi
43 GPa6.2 Msi

Bulk Modulus

115 GPa16.7 Msi
105 GPa15.2 Msi

Poisson's Ratio

0.34
0.32

Tensile Strength (Ultimate)

660 MPa95.7 ksi
760 MPa110 ksi

Yield Strength (0.2% offset)

585 MPa84.8 ksi
415 MPa60.2 ksi

Elongation at Break

10%
2%

Shear Strength

400 MPa58 ksi
480 MPa69.6 ksi

Fatigue Strength (Endurance Limit)

230 MPa33.4 ksi
250 MPa36.3 ksi

Hardness, Brinell

170 HB
240 HB

Hardness, Rockwell B

87 HRB
99 HRB

Hardness, Vickers

190 HV
250 HV

Reduction in Area

—
4%

Compressive Strength

—
900 MPa131 ksi

Charpy V-Notch Impact (RT)

—
5 J3.7 ft·lbf

Hardness, Rockwell C

—
22 HRC

Physical

Density and transition temperatures.

Density

8.8 g/cm³0.32 lb/in³
7.16 g/cm³0.26 lb/in³

Melting Point (Solidus)

854°C1,569 °F
1,035°C1,895 °F

Liquidus Temperature

1,000°C1,832 °F
1,050°C1,922 °F

Thermal

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

Thermal Conductivity

62 W/m·K35.8 BTU/hr·ft·°F
41.9 W/m·K24.2 BTU/hr·ft·°F

Specific Heat Capacity

377 J/kg·K0.09 BTU/lb·°F
375 J/kg·K0.09 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

18.4 µm/m·K10.2 µin/in·°F
16.2 µm/m·K9 µin/in·°F

Max Service Temperature (continuous)

200°C392 °F
300°C572 °F

Latent Heat of Fusion

—
210 J/g90.3 BTU/lb

Same in both: Min Service Temperature -200°C-328 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

13 % IACS
8 % IACS

Electrical Resistivity

1.33×10⁻⁷ Ω·m5.24 µΩ·in
2.16×10⁻⁷ Ω·m8.5 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.28 V
-0.27 V

Corrosion Resistance

68 / 100
72 / 100

Manufacturability

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

Machinability

30 / 100
22 / 100

Weldability

40 / 100
25 / 100

Formability (cold)

50 / 100
10 / 100

Brazeability / Solderability

88 / 100
25 / 100

Castability

—
60 / 100

Same in both: Machinability Rating (AISI 1212 = 100 %) 20% · Polishability 75 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

72 MJ/kg30,954 BTU/lb
62 MJ/kg26,655 BTU/lb

Embodied Carbon (primary production)

4.6 kg CO₂/kg
3.9 kg CO₂/kg

Embodied Water

350 L/kg41.9 gal/lb
300 L/kg35.9 gal/lb

Typical Recycled Content

40%
35%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

75 kN·m/kg
106 kN·m/kg

Specific Stiffness (E / density)

12.5 MN·m/kg
15.9 MN·m/kg

Modulus of Resilience

1,556 kJ/m³
755 kJ/m³

Thermal Diffusivity

18.7 mm²/s
15.6 mm²/s

Thermal Shock Resistance Index

20
17

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 scaleC52100C62500

Manufacturing and finishing

CapabilityC52100C62500
CNC machiningYes—
Sheet metalYes—
Default condition——
Relative cost$$$$$ Specialty$$$$ 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.

C52100 vs C62500 — frequently asked

Is C52100 stronger than C62500?

Yes. C52100 has a typical yield strength of 585 MPa (84.8 ksi) against 415 MPa (60.2 ksi) for C62500 — about 41% more. Tensile strength is 660 MPa (95.7 ksi) vs 760 MPa (110 ksi).

Which is cheaper, C52100 or C62500?

C62500 is the lower-cost material: it sits in the high tier ($$$$) while C52100 is specialty ($$$$$). Part price depends far more on geometry, tolerance and quantity than on raw stock — upload a CAD file for a live quote.

Which is easier to machine, C52100 or C62500?

C52100, by a small margin. Both rate poor for machinability — 30/100 against 22/100 for C62500; for welding the order is C52100 first (fair, 40/100) then C62500 (poor, 25/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in C52100 and C62500 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.