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C94100 Bronze vs. C97600 Dairy Metal

Both C94100 bronze and C97600 dairy metal are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 74% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C94100 bronze and the bottom bar is C97600 dairy metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 92
120
Elongation at Break, % 7.8
11
Poisson's Ratio 0.36
0.33
Shear Modulus, GPa 34
46
Tensile Strength: Ultimate (UTS), MPa 190
310
Tensile Strength: Yield (Proof), MPa 130
140

Thermal Properties

Latent Heat of Fusion, J/g 160
210
Maximum Temperature: Mechanical, °C 130
210
Melting Completion (Liquidus), °C 870
1140
Melting Onset (Solidus), °C 790
1110
Specific Heat Capacity, J/kg-K 330
380
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
5.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
5.1

Otherwise Unclassified Properties

Base Metal Price, % relative 29
37
Density, g/cm3 9.2
8.8
Embodied Carbon, kg CO2/kg material 3.0
4.6
Embodied Energy, MJ/kg 48
69
Embodied Water, L/kg 370
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
29
Resilience: Unit (Modulus of Resilience), kJ/m3 97
85
Stiffness to Weight: Axial, points 5.5
7.7
Stiffness to Weight: Bending, points 16
19
Strength to Weight: Axial, points 5.8
9.8
Strength to Weight: Bending, points 8.1
12
Thermal Shock Resistance, points 7.6
11

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.8
0 to 0.25
Copper (Cu), % 72 to 79
63 to 67
Iron (Fe), % 0 to 0.25
0 to 1.5
Lead (Pb), % 18 to 22
3.0 to 5.0
Nickel (Ni), % 0 to 1.0
19 to 21.5
Phosphorus (P), % 0 to 1.5
0 to 0.050
Silicon (Si), % 0 to 0.0050
0 to 0.15
Sulfur (S), % 0 to 0.080
0 to 0.080
Tin (Sn), % 4.5 to 6.5
3.5 to 4.0
Zinc (Zn), % 0 to 1.0
3.0 to 9.0
Residuals, % 0
0 to 0.3