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C83800 Bronze vs. C77400 Nickel Silver

Both C83800 bronze and C77400 nickel silver are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 52% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C83800 bronze and the bottom bar is C77400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 20
25
Poisson's Ratio 0.34
0.3
Shear Modulus, GPa 39
42
Tensile Strength: Ultimate (UTS), MPa 230
570
Tensile Strength: Yield (Proof), MPa 110
250

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 1000
810
Melting Onset (Solidus), °C 840
770
Specific Heat Capacity, J/kg-K 370
390
Thermal Expansion, µm/m-K 19
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
27
Electrical Conductivity: Equal Weight (Specific), % IACS 15
31

Otherwise Unclassified Properties

Base Metal Price, % relative 30
25
Density, g/cm3 8.8
7.9
Embodied Carbon, kg CO2/kg material 2.9
3.5
Embodied Energy, MJ/kg 47
57
Embodied Water, L/kg 340
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
120
Resilience: Unit (Modulus of Resilience), kJ/m3 53
290
Stiffness to Weight: Axial, points 6.6
7.7
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 7.4
20
Strength to Weight: Bending, points 9.6
19
Thermal Shock Resistance, points 8.6
18

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 82 to 83.8
43 to 47
Iron (Fe), % 0 to 0.3
0
Lead (Pb), % 5.0 to 7.0
0 to 0.2
Nickel (Ni), % 0 to 1.0
9.0 to 11
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 3.3 to 4.2
0
Zinc (Zn), % 5.0 to 8.0
41.3 to 48
Residuals, % 0
0 to 0.5