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Copper Alloy C83400 vs ZCuZn35Al2Mn2Fe1

Copper Alloy · grade comparison

Copper Alloy C83400 and ZCuZn35Al2Mn2Fe1 are both copper alloy grades. ZCuZn35Al2Mn2Fe1 is the stronger of the two: yield strength 195 MPa (28.3 ksi) against 69 MPa (10 ksi) for C83400, about 183% more; tensile strength follows at 480 MPa (69.6 ksi) vs 234 MPa (33.9 ksi). In exchange, C83400 is the more ductile: elongation 35% versus 25% for ZCuZn35Al2Mn2Fe1, and ZCuZn35Al2Mn2Fe1 is harder (105 HB vs 50 HB). ZCuZn35Al2Mn2Fe1 is lighter (8.5 g/cm³ vs 8.8 g/cm³ for C83400) and C83400 conducts heat better (159 W/m·K vs 85 W/m·K). On the shop floor, C83400 machines more easily (good vs fair) and C83400 welds better (45 vs 35 out of 100).

C83400Choose it when the part is bent, formed or impact-loaded, or when the part is machined in volume.

ZCuZn35Al2Mn2Fe1Choose it when strength drives the design, or when weight is the constraint.

C83400 vs ZCuZn35Al2Mn2Fe1: properties

C83400ZCuZn35Al2Mn2Fe1

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

96.5 GPa14 Msi
100 GPa14.5 Msi

Shear Modulus

37 GPa5.4 Msi
38 GPa5.5 Msi

Tensile Strength (Ultimate)

234 MPa33.9 ksi
480 MPa69.6 ksi

Yield Strength (0.2% offset)

69 MPa10 ksi
195 MPa28.3 ksi

Elongation at Break

35%
25%

Reduction in Area

30%
20%

Shear Strength

165 MPa23.9 ksi
320 MPa46.4 ksi

Fatigue Strength (Endurance Limit)

70 MPa10.2 ksi
135 MPa19.6 ksi

Charpy V-Notch Impact (RT)

40 J29.5 ft·lbf
30 J22.1 ft·lbf

Hardness, Brinell

50 HB
105 HB

Hardness, Vickers

53 HV
110 HV

Compressive Strength

—
450 MPa65.3 ksi

Hardness, Rockwell B

—
62 HRB

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

Physical

Density and transition temperatures.

Density

8.8 g/cm³0.32 lb/in³
8.5 g/cm³0.31 lb/in³

Melting Point (Solidus)

1,010°C1,850 °F
880°C1,616 °F

Liquidus Temperature

1,055°C1,931 °F
905°C1,661 °F

Thermal

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

Thermal Conductivity

159 W/m·K91.9 BTU/hr·ft·°F
85 W/m·K49.1 BTU/hr·ft·°F

Specific Heat Capacity

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

Thermal Expansion (CTE, 20–100 °C)

18.4 µm/m·K10.2 µin/in·°F
20.5 µm/m·K11.4 µin/in·°F

Latent Heat of Fusion

205 J/g88.1 BTU/lb
175 J/g75.2 BTU/lb

Same in both: Max Service Temperature (continuous) 200°C392 °F · Min Service Temperature -200°C-328 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

32 % IACS
21 % IACS

Electrical Resistivity

5.39×10⁻⁸ Ω·m2.12 µΩ·in
8.2×10⁻⁸ Ω·m3.23 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.25 V
-0.28 V

Corrosion Resistance

62 / 100
58 / 100

Manufacturability

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

Machinability

58 / 100
35 / 100

Machinability Rating (AISI 1212 = 100 %)

65%
30%

Weldability

45 / 100
35 / 100

Formability (cold)

30 / 100
20 / 100

Castability

72 / 100
75 / 100

Brazeability / Solderability

88 / 100
35 / 100

Same in both: Polishability 70 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

58 MJ/kg24,936 BTU/lb
55 MJ/kg23,646 BTU/lb

Embodied Carbon (primary production)

3.6 kg CO₂/kg
3.8 kg CO₂/kg

Embodied Water

260 L/kg31.2 gal/lb
320 L/kg38.3 gal/lb

Typical Recycled Content

80%
70%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

27 kN·m/kg
56 kN·m/kg

Specific Stiffness (E / density)

11 MN·m/kg
11.8 MN·m/kg

Modulus of Resilience

25 kJ/m³
190 kJ/m³

Thermal Diffusivity

48.1 mm²/s
26.3 mm²/s

Thermal Shock Resistance Index

21
20

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 scaleC83400ZCuZn35Al2Mn2Fe1

Manufacturing and finishing

CapabilityC83400ZCuZn35Al2Mn2Fe1
CNC machiningYes—
Default conditionAs Cast—
Relative cost$$$$ High$$$$ 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.

C83400 vs ZCuZn35Al2Mn2Fe1 — frequently asked

Is ZCuZn35Al2Mn2Fe1 stronger than C83400?

Yes. ZCuZn35Al2Mn2Fe1 has a typical yield strength of 195 MPa (28.3 ksi) against 69 MPa (10 ksi) for C83400 — about 183% more. Tensile strength is 480 MPa (69.6 ksi) vs 234 MPa (33.9 ksi).

Which is cheaper, C83400 or ZCuZn35Al2Mn2Fe1?

Both sit in the same relative cost tier ($$$$, high); the part price will be decided by machining time, tolerance and quantity rather than by the material.

Which is easier to machine, C83400 or ZCuZn35Al2Mn2Fe1?

C83400. Its machinability rates good (58/100) against fair (35/100) for ZCuZn35Al2Mn2Fe1; for welding the order is C83400 first (fair, 45/100) then ZCuZn35Al2Mn2Fe1 (fair, 35/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in C83400 and ZCuZn35Al2Mn2Fe1 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.