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C37700 Brass vs. C83600 Ounce Metal

Both C37700 brass and C83600 ounce metal are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 67% of their average alloy composition in common. There are 28 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 C37700 brass and the bottom bar is C83600 ounce metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 40
21
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 39
39
Tensile Strength: Ultimate (UTS), MPa 400
250
Tensile Strength: Yield (Proof), MPa 160
120

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 120
160
Melting Completion (Liquidus), °C 890
1010
Melting Onset (Solidus), °C 880
850
Specific Heat Capacity, J/kg-K 380
370
Thermal Conductivity, W/m-K 120
72
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
15
Electrical Conductivity: Equal Weight (Specific), % IACS 30
15

Otherwise Unclassified Properties

Base Metal Price, % relative 23
31
Density, g/cm3 8.1
8.8
Embodied Carbon, kg CO2/kg material 2.6
3.1
Embodied Energy, MJ/kg 45
50
Embodied Water, L/kg 320
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
43
Resilience: Unit (Modulus of Resilience), kJ/m3 120
70
Stiffness to Weight: Axial, points 7.1
6.7
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 14
7.9
Strength to Weight: Bending, points 15
10
Thermal Diffusivity, mm2/s 39
22
Thermal Shock Resistance, points 13
9.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 58 to 61
84 to 86
Iron (Fe), % 0 to 0.3
0 to 0.3
Lead (Pb), % 1.5 to 2.5
4.0 to 6.0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
4.0 to 6.0
Zinc (Zn), % 35.7 to 40.5
4.0 to 6.0
Residuals, % 0
0 to 0.7