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Copper Alloy C50700 vs C52100

Copper Alloy · grade comparison

Copper Alloy C50700 and C52100 are both copper alloy grades. C52100 is the stronger of the two: yield strength 585 MPa (84.8 ksi) against 505 MPa (73.2 ksi) for C50700, about 16% more; tensile strength follows at 660 MPa (95.7 ksi) vs 550 MPa (79.8 ksi). C52100 is the more ductile: elongation 10% versus 4% for C50700, and C52100 is harder (190 HV vs 180 HV). C50700 is stiffer (117 GPa vs 110 GPa) and C52100 runs hotter in service (200°C vs 150°C continuous). On the shop floor, C50700 sits in a lower cost tier (high, $$$$) than C52100 (specialty, $$$$$).

C50700Choose it when cost is the deciding factor.

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

C50700 vs C52100: properties

C50700C52100

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

117 GPa17 Msi
110 GPa16 Msi

Shear Modulus

44 GPa6.4 Msi
41 GPa5.9 Msi

Bulk Modulus

122 GPa17.7 Msi
115 GPa16.7 Msi

Tensile Strength (Ultimate)

550 MPa79.8 ksi
660 MPa95.7 ksi

Yield Strength (0.2% offset)

505 MPa73.2 ksi
585 MPa84.8 ksi

Elongation at Break

4%
10%

Reduction in Area

12%
—

Compressive Strength

515 MPa74.7 ksi
—

Shear Strength

330 MPa47.9 ksi
400 MPa58 ksi

Fatigue Strength (Endurance Limit)

190 MPa27.6 ksi
230 MPa33.4 ksi

Charpy V-Notch Impact (RT)

12 J8.9 ft·lbf
—

Hardness, Rockwell B

88 HRB
87 HRB

Hardness, Vickers

180 HV
190 HV

Same in both: Poisson's Ratio 0.34 · Hardness, Brinell 170 HB

Physical

Density and transition temperatures.

Density

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

Melting Point (Solidus)

1,025°C1,877 °F
854°C1,569 °F

Liquidus Temperature

1,060°C1,940 °F
1,000°C1,832 °F

Thermal

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

Thermal Conductivity

130 W/m·K75.1 BTU/hr·ft·°F
62 W/m·K35.8 BTU/hr·ft·°F

Specific Heat Capacity

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

Thermal Expansion (CTE, 20–100 °C)

17.8 µm/m·K9.9 µin/in·°F
18.4 µm/m·K10.2 µin/in·°F

Latent Heat of Fusion

205 J/g88.1 BTU/lb
—

Max Service Temperature (continuous)

150°C302 °F
200°C392 °F

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

Electrical

Conductivity and insulation.

Electrical Conductivity

30 % IACS
13 % IACS

Electrical Resistivity

5.75×10⁻⁸ Ω·m2.26 µΩ·in
1.33×10⁻⁷ Ω·m5.24 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

65 / 100
68 / 100

Same in both: Galvanic Potential (seawater, vs SCE) -0.28 V

Manufacturability

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

Machinability

35 / 100
30 / 100

Machinability Rating (AISI 1212 = 100 %)

24%
20%

Weldability

35 / 100
40 / 100

Formability (cold)

35 / 100
50 / 100

Brazeability / Solderability

90 / 100
88 / 100

Polishability

80 / 100
75 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

55 MJ/kg23,646 BTU/lb
72 MJ/kg30,954 BTU/lb

Embodied Carbon (primary production)

3.6 kg CO₂/kg
4.6 kg CO₂/kg

Embodied Water

250 L/kg30 gal/lb
350 L/kg41.9 gal/lb

Typical Recycled Content

35%
40%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

62 kN·m/kg
75 kN·m/kg

Specific Stiffness (E / density)

13.2 MN·m/kg
12.5 MN·m/kg

Modulus of Resilience

1,090 kJ/m³
1,556 kJ/m³

Thermal Diffusivity

38.5 mm²/s
18.7 mm²/s

Thermal Shock Resistance Index

34
20

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 scaleC52100C50700

Manufacturing and finishing

CapabilityC50700C52100
CNC machining—Yes
Sheet metal—Yes
Default condition——
Relative cost$$$$ High$$$$$ Specialty
Min. machined wall—0.8 mm
Best machined surface—Ra 1.6 µm
Chrome Plating—Yes
Electropolishing—Yes
Nickel Plating—Yes
Painting—Yes
Tin Plating—Yes

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

C50700 vs C52100 — frequently asked

Is C52100 stronger than C50700?

Yes. C52100 has a typical yield strength of 585 MPa (84.8 ksi) against 505 MPa (73.2 ksi) for C50700 — about 16% more. Tensile strength is 660 MPa (95.7 ksi) vs 550 MPa (79.8 ksi).

Which is cheaper, C50700 or C52100?

C50700 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, C50700 or C52100?

C50700. Its machinability rates fair (35/100) against poor (30/100) for C52100; for welding the order is C52100 first (fair, 40/100) then C50700 (fair, 35/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in C50700 and C52100 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.