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Copper Alloy C86300 vs ZCuZn26Al4Fe3Mn3

Copper Alloy · grade comparison

Copper Alloy C86300 and ZCuZn26Al4Fe3Mn3 are both copper alloy grades. C86300 is the stronger of the two: yield strength 470 MPa (68.2 ksi) against 330 MPa (47.9 ksi) for ZCuZn26Al4Fe3Mn3, about 42% more; tensile strength follows at 820 MPa (119 ksi) vs 620 MPa (89.9 ksi). In exchange, ZCuZn26Al4Fe3Mn3 is the more ductile: elongation 20% versus 15% for C86300, and C86300 is harder (225 HB vs 160 HB). ZCuZn26Al4Fe3Mn3 runs hotter in service (250°C vs 200°C continuous) and ZCuZn26Al4Fe3Mn3 conducts heat better (40 W/m·K vs 36 W/m·K). On the shop floor, ZCuZn26Al4Fe3Mn3 machines more easily (fair vs poor) and ZCuZn26Al4Fe3Mn3 sits in a lower cost tier (premium, $$$) than C86300 (specialty, $$$$$).

C86300Choose it when strength drives the design.

ZCuZn26Al4Fe3Mn3Choose it when the part is bent, formed or impact-loaded, or when the part sees heat.

C86300 vs ZCuZn26Al4Fe3Mn3: properties

C86300ZCuZn26Al4Fe3Mn3

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

103 GPa14.9 Msi
100 GPa14.5 Msi

Bulk Modulus

107 GPa15.5 Msi
110 GPa16 Msi

Tensile Strength (Ultimate)

820 MPa119 ksi
620 MPa89.9 ksi

Yield Strength (0.2% offset)

470 MPa68.2 ksi
330 MPa47.9 ksi

Elongation at Break

15%
20%

Reduction in Area

18%
20%

Compressive Strength

480 MPa69.6 ksi
—

Shear Strength

540 MPa78.3 ksi
415 MPa60.2 ksi

Fatigue Strength (Endurance Limit)

200 MPa29 ksi
185 MPa26.8 ksi

Hardness, Brinell

225 HB
160 HB

Hardness, Rockwell B

96 HRB
84 HRB

Hardness, Vickers

—
168 HV

Same in both: Shear Modulus 39 GPa5.7 Msi · Poisson's Ratio 0.34 · Charpy V-Notch Impact (RT) 20 J14.8 ft·lbf

Physical

Density and transition temperatures.

Density

7.65 g/cm³0.28 lb/in³
7.6 g/cm³0.27 lb/in³

Melting Point (Solidus)

862°C1,584 °F
880°C1,616 °F

Liquidus Temperature

924°C1,695 °F
930°C1,706 °F

Thermal

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

Thermal Conductivity

36 W/m·K20.8 BTU/hr·ft·°F
40 W/m·K23.1 BTU/hr·ft·°F

Specific Heat Capacity

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

Thermal Expansion (CTE, 20–100 °C)

19.3 µm/m·K10.7 µin/in·°F
19.5 µm/m·K10.8 µin/in·°F

Max Service Temperature (continuous)

200°C392 °F
250°C482 °F

Same in both: Latent Heat of Fusion 175 J/g75.2 BTU/lb · Min Service Temperature -100°C-148 °F

Electrical

Conductivity and insulation.

Electrical Resistivity

2.16×10⁻⁷ Ω·m8.5 µΩ·in
2.15×10⁻⁷ Ω·m8.46 µΩ·in

Same in both: Electrical Conductivity 8 % IACS

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.3 V
-0.28 V

Corrosion Resistance

45 / 100
60 / 100

Manufacturability

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

Machinability

25 / 100
35 / 100

Machinability Rating (AISI 1212 = 100 %)

25%
30%

Castability

80 / 100
75 / 100

Brazeability / Solderability

25 / 100
30 / 100

Same in both: Weldability 30 / 100 · Formability (cold) 15 / 100 · Polishability 60 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Water

200 L/kg24 gal/lb
300 L/kg35.9 gal/lb

Typical Recycled Content

70%
60%

Same in both: Embodied Energy (primary production) 55 MJ/kg23,646 BTU/lb · Embodied Carbon (primary production) 3.6 kg CO₂/kg

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

107 kN·m/kg
82 kN·m/kg

Specific Stiffness (E / density)

13.5 MN·m/kg
13.2 MN·m/kg

Modulus of Resilience

1,072 kJ/m³
545 kJ/m³

Thermal Diffusivity

12.5 mm²/s
13.9 mm²/s

Thermal Shock Resistance Index

15
13

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 scaleC86300ZCuZn26Al4Fe3Mn3

Manufacturing and finishing

CapabilityC86300ZCuZn26Al4Fe3Mn3
CNC machiningYes—
Default conditionAs Cast—
Relative cost$$$$$ Specialty$$$ Premium
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.

C86300 vs ZCuZn26Al4Fe3Mn3 — frequently asked

Is C86300 stronger than ZCuZn26Al4Fe3Mn3?

Yes. C86300 has a typical yield strength of 470 MPa (68.2 ksi) against 330 MPa (47.9 ksi) for ZCuZn26Al4Fe3Mn3 — about 42% more. Tensile strength is 820 MPa (119 ksi) vs 620 MPa (89.9 ksi).

Which is cheaper, C86300 or ZCuZn26Al4Fe3Mn3?

ZCuZn26Al4Fe3Mn3 is the lower-cost material: it sits in the premium tier ($$$) while C86300 is specialty ($$$$$). 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, C86300 or ZCuZn26Al4Fe3Mn3?

ZCuZn26Al4Fe3Mn3. Its machinability rates fair (35/100) against poor (25/100) for C86300.

Ready to make it?

Upload a CAD file and FabDigit prices the part in C86300 and ZCuZn26Al4Fe3Mn3 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.