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Copper Alloy C86800 vs C95500

Copper Alloy · grade comparison

Copper Alloy C86800 and C95500 are both copper alloy grades. C95500 is the stronger of the two: tensile strength 700 MPa (102 ksi) against 565 MPa (81.9 ksi) for C86800, about 24% more. In exchange, C86800 is the more ductile: elongation 20% versus 8% for C95500, and C95500 is harder (192 HB vs 150 HB). C95500 is lighter (7.53 g/cm³ vs 7.9 g/cm³ for C86800) and C95500 runs hotter in service (300°C vs 200°C continuous). On the shop floor, C95500 welds better (good vs poor) and C86800 sits in a lower cost tier (high, $$$$) than C95500 (specialty, $$$$$).

C86800Choose it when the part is bent, formed or impact-loaded, or when cost is the deciding factor.

C95500Choose it when strength drives the design, or when weight is the constraint.

C86800 vs C95500: properties

C86800C95500

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

105 GPa15.2 Msi
110 GPa16 Msi

Shear Modulus

39 GPa5.7 Msi
42 GPa6.1 Msi

Bulk Modulus

115 GPa16.7 Msi
102 GPa14.8 Msi

Poisson's Ratio

0.34
0.32

Tensile Strength (Ultimate)

565 MPa81.9 ksi
700 MPa102 ksi

Yield Strength (0.2% offset)

290 MPa42.1 ksi
300 MPa43.5 ksi

Elongation at Break

20%
8%

Reduction in Area

20%
—

Compressive Strength

600 MPa87 ksi
—

Shear Strength

380 MPa55.1 ksi
425 MPa61.6 ksi

Fatigue Strength (Endurance Limit)

170 MPa24.7 ksi
240 MPa34.8 ksi

Charpy V-Notch Impact (RT)

24 J17.7 ft·lbf
20 J14.8 ft·lbf

Hardness, Brinell

150 HB
192 HB

Hardness, Rockwell B

80 HRB
92 HRB

Hardness, Vickers

158 HV
—

Fracture Toughness (K_IC)

—
50 MPa·√m45.5 ksi·√in

Physical

Density and transition temperatures.

Density

7.9 g/cm³0.29 lb/in³
7.53 g/cm³0.27 lb/in³

Melting Point (Solidus)

875°C1,607 °F
1,054°C1,929 °F

Liquidus Temperature

925°C1,697 °F
1,064°C1,947 °F

Thermal

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

Thermal Conductivity

36 W/m·K20.8 BTU/hr·ft·°F
42 W/m·K24.3 BTU/hr·ft·°F

Specific Heat Capacity

380 J/kg·K0.09 BTU/lb·°F
419 J/kg·K0.1 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

20.5 µm/m·K11.4 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 -100°C-148 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

7.5 % IACS
8.5 % IACS

Electrical Resistivity

2.3×10⁻⁷ Ω·m9.06 µΩ·in
2.03×10⁻⁷ Ω·m7.99 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.3 V
-0.28 V

Corrosion Resistance

62 / 100
80 / 100

Manufacturability

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

Machinability

35 / 100
40 / 100

Machinability Rating (AISI 1212 = 100 %)

35%
50%

Weldability

30 / 100
60 / 100

Brazeability / Solderability

50 / 100
30 / 100

Polishability

65 / 100
70 / 100

Formability (cold)

—
15 / 100

Same in both: Castability 75 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

55 MJ/kg23,646 BTU/lb
60 MJ/kg25,795 BTU/lb

Embodied Carbon (primary production)

3.6 kg CO₂/kg
4.2 kg CO₂/kg

Embodied Water

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

Typical Recycled Content

65%
40%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

72 kN·m/kg
93 kN·m/kg

Specific Stiffness (E / density)

13.3 MN·m/kg
14.6 MN·m/kg

Modulus of Resilience

400 kJ/m³
409 kJ/m³

Thermal Diffusivity

12 mm²/s
13.3 mm²/s

Thermal Shock Resistance Index

9
16

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 scaleC95500C86800

Manufacturing and finishing

CapabilityC86800C95500
CNC machining—Yes
Default condition—As Cast
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.

C86800 vs C95500 — frequently asked

Is C95500 stronger than C86800?

Yes. C95500 has a typical tensile strength of 700 MPa (102 ksi) against 565 MPa (81.9 ksi) for C86800 — about 24% more.

Which is cheaper, C86800 or C95500?

C86800 is the lower-cost material: it sits in the high tier ($$$$) while C95500 is specialty ($$$$$). 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, C86800 or C95500?

C95500, by a small margin. Both rate fair for machinability — 40/100 against 35/100 for C86800; for welding the order is C95500 first (good, 60/100) then C86800 (poor, 30/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in C86800 and C95500 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.