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C84500 Brass vs. C66700 Brass

Both C84500 brass and C66700 brass are copper alloys. They have 82% of their average alloy composition in common. There are 28 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 C84500 brass and the bottom bar is C66700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 28
2.0 to 58
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 39
41
Tensile Strength: Ultimate (UTS), MPa 240
340 to 690
Tensile Strength: Yield (Proof), MPa 97
100 to 640

Thermal Properties

Latent Heat of Fusion, J/g 180
180
Maximum Temperature: Mechanical, °C 150
140
Melting Completion (Liquidus), °C 980
1090
Melting Onset (Solidus), °C 840
1050
Specific Heat Capacity, J/kg-K 360
390
Thermal Conductivity, W/m-K 72
97
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
17
Electrical Conductivity: Equal Weight (Specific), % IACS 17
19

Otherwise Unclassified Properties

Base Metal Price, % relative 28
25
Density, g/cm3 8.7
8.2
Embodied Carbon, kg CO2/kg material 2.9
2.7
Embodied Energy, MJ/kg 47
45
Embodied Water, L/kg 340
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
13 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 45
49 to 1900
Stiffness to Weight: Axial, points 6.6
7.3
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.7
11 to 23
Strength to Weight: Bending, points 9.8
13 to 21
Thermal Diffusivity, mm2/s 23
30
Thermal Shock Resistance, points 8.6
11 to 23

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 77 to 79
68.5 to 71.5
Iron (Fe), % 0 to 0.4
0 to 0.1
Lead (Pb), % 6.0 to 7.5
0 to 0.070
Manganese (Mn), % 0
0.8 to 1.5
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 2.0 to 4.0
0
Zinc (Zn), % 10 to 14
26.3 to 30.7
Residuals, % 0
0 to 0.5