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Copper Alloy C10100 vs CuAg0.04(OF)

Copper Alloy · grade comparison

Copper Alloy C10100 and CuAg0.04(OF) are both copper alloy grades. Both yield at about 69 MPa — strength does not separate them. CuAg0.04(OF) runs hotter in service (300°C vs 200°C continuous). On the shop floor, CuAg0.04(OF) sits in a lower cost tier (high, $$$$) than C10100 (specialty, $$$$$).

CuAg0.04(OF)Choose it when the part sees heat, or when cost is the deciding factor.

C10100 vs CuAg0.04(OF): properties

C10100CuAg0.04(OF)

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

117 GPa17 Msi
118 GPa17.1 Msi

Tensile Strength (Ultimate)

235 MPa34.1 ksi
225 MPa32.6 ksi

Yield Strength (0.2% offset)

69 MPa10 ksi
70 MPa10.2 ksi

Shear Strength

152 MPa22 ksi
150 MPa21.8 ksi

Fatigue Strength (Endurance Limit)

76 MPa11 ksi
70 MPa10.2 ksi

Charpy V-Notch Impact (RT)

—
65 J47.9 ft·lbf

Same in both: Shear Modulus 44 GPa6.4 Msi · Bulk Modulus 140 GPa20.3 Msi · Poisson's Ratio 0.34 · Elongation at Break 45% · Reduction in Area 75% · Hardness, Brinell 45 HB · Hardness, Vickers 50 HV

Physical

Density and transition temperatures.

Density

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

Same in both: Melting Point (Solidus) 1,083°C1,981 °F · Liquidus Temperature 1,083°C1,981 °F

Thermal

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

Max Service Temperature (continuous)

200°C392 °F
300°C572 °F

Min Service Temperature

-253°C-423 °F
-269°C-452 °F

Same in both: Thermal Conductivity 391 W/m·K226 BTU/hr·ft·°F · Specific Heat Capacity 385 J/kg·K0.09 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 17.7 µm/m·K9.8 µin/in·°F · Latent Heat of Fusion 205 J/g88.1 BTU/lb

Electrical

Conductivity and insulation.

Electrical Resistivity

1.71×10⁻⁸ Ω·m0.672 µΩ·in
1.71×10⁻⁸ Ω·m0.673 µΩ·in

Same in both: Electrical Conductivity 101 % IACS

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.24 V
-0.22 V

Corrosion Resistance

58 / 100
62 / 100

Manufacturability

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

Machinability

18 / 100
25 / 100

Formability (cold)

95 / 100
98 / 100

Polishability

85 / 100
80 / 100

Castability

—
40 / 100

Same in both: Machinability Rating (AISI 1212 = 100 %) 20% · Weldability 70 / 100 · Brazeability / Solderability 95 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Carbon (primary production)

3.8 kg CO₂/kg
4.2 kg CO₂/kg

Embodied Water

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

Typical Recycled Content

5%
8%

Same in both: Embodied Energy (primary production) 60 MJ/kg25,795 BTU/lb

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

26 kN·m/kg
25 kN·m/kg

Specific Stiffness (E / density)

13.1 MN·m/kg
13.2 MN·m/kg

Modulus of Resilience

20 kJ/m³
21 kJ/m³

Thermal Diffusivity

113.6 mm²/s
113.7 mm²/s

Thermal Shock Resistance Index

44
42

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 scaleC10100CuAg0.04(OF)

Manufacturing and finishing

CapabilityC10100CuAg0.04(OF)
CNC machiningYes—
Sheet metalYes—
Default conditionO—
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.

C10100 vs CuAg0.04(OF) — frequently asked

What is the difference between C10100 and CuAg0.04(OF)?

Copper Alloy C10100 and CuAg0.04(OF) are both copper alloy grades. Both yield at about 69 MPa — strength does not separate them. CuAg0.04(OF) runs hotter in service (300°C vs 200°C continuous).

Which is cheaper, C10100 or CuAg0.04(OF)?

CuAg0.04(OF) is the lower-cost material: it sits in the high tier ($$$$) while C10100 is specialty ($$$$$). 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, C10100 or CuAg0.04(OF)?

CuAg0.04(OF), by a small margin. Both rate poor for machinability — 25/100 against 18/100 for C10100.

Ready to make it?

Upload a CAD file and FabDigit prices the part in C10100 and CuAg0.04(OF) 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.