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Copper Alloy C86300 vs ZCuZn38Mn2Pb2

Copper Alloy · grade comparison

Copper Alloy C86300 and ZCuZn38Mn2Pb2 are both copper alloy grades. C86300 is the stronger of the two: yield strength 470 MPa (68.2 ksi) against 110 MPa (16 ksi) for ZCuZn38Mn2Pb2, about 4.3 times as much; tensile strength follows at 820 MPa (119 ksi) vs 265 MPa (38.4 ksi). C86300 is the more ductile: elongation 15% versus 13% for ZCuZn38Mn2Pb2, and C86300 is harder (225 HB vs 75 HB). C86300 is lighter (7.65 g/cm³ vs 8.5 g/cm³ for ZCuZn38Mn2Pb2) and C86300 is stiffer (103 GPa vs 95 GPa). On the shop floor, ZCuZn38Mn2Pb2 machines more easily (very good vs poor) and ZCuZn38Mn2Pb2 sits in a lower cost tier (premium, $$$) than C86300 (specialty, $$$$$).

C86300Choose it when strength drives the design, or when the part is bent, formed or impact-loaded.

ZCuZn38Mn2Pb2Choose it when the part is machined in volume, or when cost is the deciding factor.

C86300 vs ZCuZn38Mn2Pb2: properties

C86300ZCuZn38Mn2Pb2

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

103 GPa14.9 Msi
95 GPa13.8 Msi

Shear Modulus

39 GPa5.7 Msi
36 GPa5.2 Msi

Bulk Modulus

107 GPa15.5 Msi
105 GPa15.2 Msi

Tensile Strength (Ultimate)

820 MPa119 ksi
265 MPa38.4 ksi

Yield Strength (0.2% offset)

470 MPa68.2 ksi
110 MPa16 ksi

Elongation at Break

15%
13%

Reduction in Area

18%
12%

Compressive Strength

480 MPa69.6 ksi
420 MPa60.9 ksi

Shear Strength

540 MPa78.3 ksi
180 MPa26.1 ksi

Fatigue Strength (Endurance Limit)

200 MPa29 ksi
85 MPa12.3 ksi

Charpy V-Notch Impact (RT)

20 J14.8 ft·lbf
18 J13.3 ft·lbf

Hardness, Brinell

225 HB
75 HB

Hardness, Rockwell B

96 HRB
35 HRB

Fracture Toughness (K_IC)

—
26 MPa·√m23.7 ksi·√in

Hardness, Vickers

—
80 HV

Same in both: Poisson's Ratio 0.34

Physical

Density and transition temperatures.

Density

7.65 g/cm³0.28 lb/in³
8.5 g/cm³0.31 lb/in³

Melting Point (Solidus)

862°C1,584 °F
880°C1,616 °F

Liquidus Temperature

924°C1,695 °F
900°C1,652 °F

Thermal

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

Thermal Conductivity

36 W/m·K20.8 BTU/hr·ft·°F
85 W/m·K49.1 BTU/hr·ft·°F

Thermal Expansion (CTE, 20–100 °C)

19.3 µm/m·K10.7 µin/in·°F
20.5 µm/m·K11.4 µin/in·°F

Latent Heat of Fusion

175 J/g75.2 BTU/lb
170 J/g73.1 BTU/lb

Same in both: Specific Heat Capacity 377 J/kg·K0.09 BTU/lb·°F · Max Service Temperature (continuous) 200°C392 °F · Min Service Temperature -100°C-148 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

8 % IACS
22 % IACS

Electrical Resistivity

2.16×10⁻⁷ Ω·m8.5 µΩ·in
7.8×10⁻⁸ Ω·m3.07 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.3 V
-0.27 V

Corrosion Resistance

45 / 100
57 / 100

Manufacturability

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

Machinability

25 / 100
78 / 100

Machinability Rating (AISI 1212 = 100 %)

25%
70%

Formability (cold)

15 / 100
20 / 100

Brazeability / Solderability

25 / 100
70 / 100

Polishability

60 / 100
70 / 100

Same in both: Weldability 30 / 100 · Castability 80 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

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

Embodied Carbon (primary production)

3.6 kg CO₂/kg
3.2 kg CO₂/kg

Embodied Water

200 L/kg24 gal/lb
250 L/kg30 gal/lb

Typical Recycled Content

70%
80%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

107 kN·m/kg
31 kN·m/kg

Specific Stiffness (E / density)

13.5 MN·m/kg
11.2 MN·m/kg

Modulus of Resilience

1,072 kJ/m³
64 kJ/m³

Thermal Diffusivity

12.5 mm²/s
26.5 mm²/s

Thermal Shock Resistance Index

15
12

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 scaleC86300ZCuZn38Mn2Pb2

Manufacturing and finishing

CapabilityC86300ZCuZn38Mn2Pb2
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 ZCuZn38Mn2Pb2 — frequently asked

Is C86300 stronger than ZCuZn38Mn2Pb2?

Yes. C86300 has a typical yield strength of 470 MPa (68.2 ksi) against 110 MPa (16 ksi) for ZCuZn38Mn2Pb2 — about 4.3 times as much. Tensile strength is 820 MPa (119 ksi) vs 265 MPa (38.4 ksi).

Which is cheaper, C86300 or ZCuZn38Mn2Pb2?

ZCuZn38Mn2Pb2 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 ZCuZn38Mn2Pb2?

ZCuZn38Mn2Pb2. Its machinability rates very good (78/100) against poor (25/100) for C86300.

Ready to make it?

Upload a CAD file and FabDigit prices the part in C86300 and ZCuZn38Mn2Pb2 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.