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C84200 Brass vs. C68400 Brass

Both C84200 brass and C68400 brass are copper alloys. They have 76% 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 C84200 brass and the bottom bar is C68400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 15
18
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 250
540
Tensile Strength: Yield (Proof), MPa 120
310

Thermal Properties

Latent Heat of Fusion, J/g 180
210
Maximum Temperature: Mechanical, °C 150
130
Melting Completion (Liquidus), °C 990
840
Melting Onset (Solidus), °C 840
820
Specific Heat Capacity, J/kg-K 370
400
Thermal Conductivity, W/m-K 72
66
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
87
Electrical Conductivity: Equal Weight (Specific), % IACS 17
99

Otherwise Unclassified Properties

Base Metal Price, % relative 30
23
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 3.1
2.7
Embodied Energy, MJ/kg 51
47
Embodied Water, L/kg 350
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
81
Resilience: Unit (Modulus of Resilience), kJ/m3 72
460
Stiffness to Weight: Axial, points 6.9
7.5
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 8.2
19
Strength to Weight: Bending, points 10
19
Thermal Diffusivity, mm2/s 23
21
Thermal Shock Resistance, points 9.1
18

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.5
Antimony (Sb), % 0 to 0.25
0
Boron (B), % 0
0.0010 to 0.030
Copper (Cu), % 78 to 82
59 to 64
Iron (Fe), % 0 to 0.4
0 to 1.0
Lead (Pb), % 2.0 to 3.0
0 to 0.090
Manganese (Mn), % 0
0.2 to 1.5
Nickel (Ni), % 0 to 0.8
0 to 0.5
Phosphorus (P), % 0 to 1.5
0.030 to 0.3
Silicon (Si), % 0 to 0.0050
1.5 to 2.5
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.0 to 6.0
0 to 0.5
Zinc (Zn), % 10 to 16
28.6 to 39.3
Residuals, % 0
0 to 0.5