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Copper Alloy C84800 vs C93200

Copper Alloy · grade comparison

Copper Alloy C84800 and C93200 are both copper alloy grades. C84800 is the stronger of the two: tensile strength 262 MPa (38 ksi) against 240 MPa (34.8 ksi) for C93200, about 9% more. C84800 is the more ductile: elongation 35% versus 20% for C93200, and C93200 is harder (65 HB vs 55 HB). C84800 is lighter (8.55 g/cm³ vs 8.93 g/cm³ for C93200) and C93200 is stiffer (100 GPa vs 86 GPa). On the shop floor, C84800 machines more easily (excellent vs very good) and C93200 sits in a lower cost tier (premium, $$$) than C84800 (specialty, $$$$$).

C84800Choose it when strength drives the design, or when the part is bent, formed or impact-loaded.

C93200Choose it when the part sees heat, or when cost is the deciding factor.

C84800 vs C93200: properties

C84800C93200

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

86 GPa12.5 Msi
100 GPa14.5 Msi

Shear Modulus

32 GPa4.6 Msi
37 GPa5.4 Msi

Tensile Strength (Ultimate)

262 MPa38 ksi
240 MPa34.8 ksi

Yield Strength (0.2% offset)

124 MPa18 ksi
125 MPa18.1 ksi

Elongation at Break

35%
20%

Shear Strength

190 MPa27.6 ksi
170 MPa24.7 ksi

Fatigue Strength (Endurance Limit)

76 MPa11 ksi
90 MPa13.1 ksi

Hardness, Brinell

55 HB
65 HB

Reduction in Area

—
16%

Charpy V-Notch Impact (RT)

—
11 J8.1 ft·lbf

Hardness, Rockwell B

—
24 HRB

Hardness, Vickers

—
68 HV

Same in both: Bulk Modulus 105 GPa15.2 Msi · Poisson's Ratio 0.34

Physical

Density and transition temperatures.

Density

8.55 g/cm³0.31 lb/in³
8.93 g/cm³0.32 lb/in³

Melting Point (Solidus)

843°C1,549 °F
854°C1,569 °F

Liquidus Temperature

1,010°C1,850 °F
949°C1,740 °F

Thermal

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

Thermal Conductivity

72 W/m·K41.6 BTU/hr·ft·°F
59 W/m·K34.1 BTU/hr·ft·°F

Latent Heat of Fusion

170 J/g73.1 BTU/lb
190 J/g81.7 BTU/lb

Max Service Temperature (continuous)

200°C392 °F
230°C446 °F

Min Service Temperature

-196°C-321 °F
-100°C-148 °F

Same in both: Specific Heat Capacity 377 J/kg·K0.09 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 18 µm/m·K10 µin/in·°F

Electrical

Conductivity and insulation.

Electrical Conductivity

16 % IACS
12 % IACS

Electrical Resistivity

1.08×10⁻⁷ Ω·m4.25 µΩ·in
1.44×10⁻⁷ Ω·m5.67 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.25 V
-0.28 V

Corrosion Resistance

58 / 100
62 / 100

Manufacturability

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

Machinability

88 / 100
78 / 100

Weldability

20 / 100
15 / 100

Castability

90 / 100
88 / 100

Brazeability / Solderability

60 / 100
45 / 100

Polishability

55 / 100
60 / 100

Machinability Rating (AISI 1212 = 100 %)

—
130%

Formability (cold)

—
8 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

45 MJ/kg19,347 BTU/lb
55 MJ/kg23,646 BTU/lb

Embodied Carbon (primary production)

3 kg CO₂/kg
3.6 kg CO₂/kg

Same in both: Embodied Water 250 L/kg30 gal/lb · Typical Recycled Content 85%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

31 kN·m/kg
27 kN·m/kg

Specific Stiffness (E / density)

10.1 MN·m/kg
11.2 MN·m/kg

Modulus of Resilience

89 kJ/m³
78 kJ/m³

Thermal Diffusivity

22.3 mm²/s
17.5 mm²/s

Thermal Shock Resistance Index

12
8

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 scaleC84800C93200

Manufacturing and finishing

CapabilityC84800C93200
Casting & forging—Yes
Default conditionAs CastAs Cast
Relative cost$$$$$ Specialty$$$ Premium
Min. machined wall0.8 mm0.8 mm
Best machined surfaceRa 1.6 µmRa 1.6 µm

Both are offered for CNC machining. Both take the same 9 finishes: Chrome Plating, Copper Plating, Electroless Nickel (EN), Electropolishing, Gold Plating, Nickel Plating, Painting, Silver Plating, Tin Plating.

C84800 vs C93200 — frequently asked

Is C84800 stronger than C93200?

Yes. C84800 has a typical tensile strength of 262 MPa (38 ksi) against 240 MPa (34.8 ksi) for C93200 — about 9% more.

Which is cheaper, C84800 or C93200?

C93200 is the lower-cost material: it sits in the premium 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 C93200?

C84800. Its machinability rates excellent (88/100) against very good (78/100) for C93200; for welding the order is C84800 first (poor, 20/100) then C93200 (poor, 15/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in C84800 and C93200 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.