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C87900 Brass vs. C97600 Dairy Metal

Both C87900 brass and C97600 dairy metal are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 72% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C87900 brass and the bottom bar is C97600 dairy metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 25
11
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
46
Tensile Strength: Ultimate (UTS), MPa 480
310
Tensile Strength: Yield (Proof), MPa 240
140

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 130
210
Melting Completion (Liquidus), °C 930
1140
Melting Onset (Solidus), °C 900
1110
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 120
22
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
5.0
Electrical Conductivity: Equal Weight (Specific), % IACS 17
5.1

Otherwise Unclassified Properties

Base Metal Price, % relative 24
37
Density, g/cm3 8.1
8.8
Embodied Carbon, kg CO2/kg material 2.7
4.6
Embodied Energy, MJ/kg 46
69
Embodied Water, L/kg 320
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
29
Resilience: Unit (Modulus of Resilience), kJ/m3 270
85
Stiffness to Weight: Axial, points 7.3
7.7
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 17
9.8
Strength to Weight: Bending, points 17
12
Thermal Diffusivity, mm2/s 37
6.5
Thermal Shock Resistance, points 16
11

Alloy Composition


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Aluminum (Al), % 0 to 0.15
0 to 0.0050
Antimony (Sb), % 0 to 0.050
0 to 0.25
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 63 to 69.2
63 to 67
Iron (Fe), % 0 to 0.4
0 to 1.5
Lead (Pb), % 0 to 0.25
3.0 to 5.0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.5
19 to 21.5
Phosphorus (P), % 0 to 0.010
0 to 0.050
Silicon (Si), % 0.8 to 1.2
0 to 0.15
Sulfur (S), % 0 to 0.050
0 to 0.080
Tin (Sn), % 0 to 0.25
3.5 to 4.0
Zinc (Zn), % 30 to 36
3.0 to 9.0
Residuals, % 0
0 to 0.3