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C84100 Brass vs. C68400 Brass

Both C84100 brass and C68400 brass are copper alloys. They have 78% of their average alloy composition in common. There are 29 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 C84100 brass and the bottom bar is C68400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65
150
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 13
18
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 39
41
Tensile Strength: Ultimate (UTS), MPa 230
540
Tensile Strength: Yield (Proof), MPa 81
310

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 1000
840
Melting Onset (Solidus), °C 810
820
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 110
66
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
87
Electrical Conductivity: Equal Weight (Specific), % IACS 25
99

Otherwise Unclassified Properties

Base Metal Price, % relative 29
23
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 2.9
2.7
Embodied Energy, MJ/kg 48
47
Embodied Water, L/kg 340
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24
81
Resilience: Unit (Modulus of Resilience), kJ/m3 30
460
Stiffness to Weight: Axial, points 7.1
7.5
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 7.4
19
Strength to Weight: Bending, points 9.7
19
Thermal Diffusivity, mm2/s 33
21
Thermal Shock Resistance, points 7.8
18

Alloy Composition


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Aluminum (Al), % 0 to 0.010
0 to 0.5
Antimony (Sb), % 0 to 0.050
0
Bismuth (Bi), % 0 to 0.090
0
Boron (B), % 0
0.0010 to 0.030
Copper (Cu), % 78 to 85
59 to 64
Iron (Fe), % 0 to 0.3
0 to 1.0
Lead (Pb), % 0.050 to 0.25
0 to 0.090
Manganese (Mn), % 0
0.2 to 1.5
Nickel (Ni), % 0 to 0.5
0 to 0.5
Phosphorus (P), % 0 to 0.050
0.030 to 0.3
Silicon (Si), % 0 to 0.010
1.5 to 2.5
Tin (Sn), % 1.5 to 4.5
0 to 0.5
Zinc (Zn), % 12 to 20
28.6 to 39.3
Residuals, % 0 to 0.5
0 to 0.5