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Copper Alloy C84800 vs C95700

Copper Alloy · grade comparison

Copper Alloy C84800 and C95700 are both copper alloy grades. C95700 is the stronger of the two: yield strength 330 MPa (47.9 ksi) against 124 MPa (18 ksi) for C84800, about 166% more; tensile strength follows at 655 MPa (95 ksi) vs 262 MPa (38 ksi). In exchange, C84800 is the more ductile: elongation 35% versus 26% for C95700, and C95700 is harder (180 HB vs 55 HB). C95700 is lighter (7.53 g/cm³ vs 8.55 g/cm³ for C84800) and C95700 is stiffer (110 GPa vs 86 GPa). On the shop floor, C84800 machines more easily (excellent vs fair), C95700 welds better (good vs poor), and C95700 sits in a lower cost tier (high, $$$$) than C84800 (specialty, $$$$$).

C84800Choose it when the part is bent, formed or impact-loaded, or when the part is machined in volume.

C95700Choose it when strength drives the design, or when weight is the constraint.

C84800 vs C95700: properties

C84800C95700

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

86 GPa12.5 Msi
110 GPa16 Msi

Shear Modulus

32 GPa4.6 Msi
41 GPa5.9 Msi

Poisson's Ratio

0.34
0.32

Tensile Strength (Ultimate)

262 MPa38 ksi
655 MPa95 ksi

Yield Strength (0.2% offset)

124 MPa18 ksi
330 MPa47.9 ksi

Elongation at Break

35%
26%

Shear Strength

190 MPa27.6 ksi
420 MPa60.9 ksi

Fatigue Strength (Endurance Limit)

76 MPa11 ksi
230 MPa33.4 ksi

Hardness, Brinell

55 HB
180 HB

Reduction in Area

—
25%

Compressive Strength

—
700 MPa102 ksi

Charpy V-Notch Impact (RT)

—
25 J18.4 ft·lbf

Hardness, Rockwell B

—
88 HRB

Same in both: Bulk Modulus 105 GPa15.2 Msi

Physical

Density and transition temperatures.

Density

8.55 g/cm³0.31 lb/in³
7.53 g/cm³0.27 lb/in³

Melting Point (Solidus)

843°C1,549 °F
870°C1,598 °F

Liquidus Temperature

1,010°C1,850 °F
890°C1,634 °F

Thermal

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

Thermal Conductivity

72 W/m·K41.6 BTU/hr·ft·°F
20 W/m·K11.6 BTU/hr·ft·°F

Specific Heat Capacity

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

Thermal Expansion (CTE, 20–100 °C)

18 µm/m·K10 µin/in·°F
16.2 µm/m·K9 µin/in·°F

Latent Heat of Fusion

170 J/g73.1 BTU/lb
—

Max Service Temperature (continuous)

200°C392 °F
300°C572 °F

Min Service Temperature

-196°C-321 °F
-100°C-148 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

16 % IACS
3.1 % IACS

Electrical Resistivity

1.08×10⁻⁷ Ω·m4.25 µΩ·in
5.6×10⁻⁷ Ω·m22 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.25 V
-0.27 V

Corrosion Resistance

58 / 100
78 / 100

Manufacturability

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

Machinability

88 / 100
45 / 100

Weldability

20 / 100
65 / 100

Castability

90 / 100
78 / 100

Brazeability / Solderability

60 / 100
30 / 100

Polishability

55 / 100
70 / 100

Machinability Rating (AISI 1212 = 100 %)

—
50%

Formability (cold)

—
20 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

45 MJ/kg19,347 BTU/lb
60 MJ/kg25,795 BTU/lb

Embodied Carbon (primary production)

3 kg CO₂/kg
3.8 kg CO₂/kg

Embodied Water

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

Typical Recycled Content

85%
60%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

31 kN·m/kg
87 kN·m/kg

Specific Stiffness (E / density)

10.1 MN·m/kg
14.6 MN·m/kg

Modulus of Resilience

89 kJ/m³
495 kJ/m³

Thermal Diffusivity

22.3 mm²/s
6.3 mm²/s

Thermal Shock Resistance Index

12
7

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 scaleC84800C95700

Manufacturing and finishing

CapabilityC84800C95700
CNC machiningYes—
Default conditionAs Cast—
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.

C84800 vs C95700 — frequently asked

Is C95700 stronger than C84800?

Yes. C95700 has a typical yield strength of 330 MPa (47.9 ksi) against 124 MPa (18 ksi) for C84800 — about 166% more. Tensile strength is 655 MPa (95 ksi) vs 262 MPa (38 ksi).

Which is cheaper, C84800 or C95700?

C95700 is the lower-cost material: it sits in the high tier ($$$$) while C84800 is specialty ($$$$$). 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, C84800 or C95700?

C84800. Its machinability rates excellent (88/100) against fair (45/100) for C95700; for welding the order is C95700 first (good, 65/100) then C84800 (poor, 20/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in C84800 and C95700 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.