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C93600 Bronze vs. C97600 Dairy Metal

Both C93600 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.

For each property being compared, the top bar is C93600 bronze and the bottom bar is C97600 dairy metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 99
120
Elongation at Break, % 14
11
Poisson's Ratio 0.35
0.33
Shear Modulus, GPa 36
46
Tensile Strength: Ultimate (UTS), MPa 260
310
Tensile Strength: Yield (Proof), MPa 140
140

Thermal Properties

Latent Heat of Fusion, J/g 170
210
Maximum Temperature: Mechanical, °C 150
210
Melting Completion (Liquidus), °C 940
1140
Melting Onset (Solidus), °C 840
1110
Specific Heat Capacity, J/kg-K 350
380
Thermal Conductivity, W/m-K 49
22
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
5.0
Electrical Conductivity: Equal Weight (Specific), % IACS 11
5.1

Otherwise Unclassified Properties

Base Metal Price, % relative 31
37
Density, g/cm3 9.0
8.8
Embodied Carbon, kg CO2/kg material 3.2
4.6
Embodied Energy, MJ/kg 51
69
Embodied Water, L/kg 370
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
29
Resilience: Unit (Modulus of Resilience), kJ/m3 98
85
Stiffness to Weight: Axial, points 6.1
7.7
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 7.9
9.8
Strength to Weight: Bending, points 9.9
12
Thermal Diffusivity, mm2/s 16
6.5
Thermal Shock Resistance, points 9.8
11

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.55
0 to 0.25
Copper (Cu), % 79 to 83
63 to 67
Iron (Fe), % 0 to 0.2
0 to 1.5
Lead (Pb), % 11 to 13
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), % 6.0 to 8.0
3.5 to 4.0
Zinc (Zn), % 0 to 1.0
3.0 to 9.0
Residuals, % 0
0 to 0.3