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C68400 Brass vs. CC763S Brass

Both C68400 brass and CC763S brass are copper alloys. They have a moderately high 94% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is CC763S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
130
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 18
7.3
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 41
41
Tensile Strength: Ultimate (UTS), MPa 540
490
Tensile Strength: Yield (Proof), MPa 310
270

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 130
140
Melting Completion (Liquidus), °C 840
870
Melting Onset (Solidus), °C 820
830
Specific Heat Capacity, J/kg-K 400
400
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
29
Electrical Conductivity: Equal Weight (Specific), % IACS 99
32

Otherwise Unclassified Properties

Base Metal Price, % relative 23
24
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 47
49
Embodied Water, L/kg 320
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
30
Resilience: Unit (Modulus of Resilience), kJ/m3 460
340
Stiffness to Weight: Axial, points 7.5
7.5
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 19
17
Strength to Weight: Bending, points 19
17
Thermal Shock Resistance, points 18
16

Alloy Composition


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Aluminum (Al), % 0 to 0.5
1.0 to 2.5
Antimony (Sb), % 0
0 to 0.080
Boron (B), % 0.0010 to 0.030
0
Copper (Cu), % 59 to 64
56.5 to 67
Iron (Fe), % 0 to 1.0
0.5 to 2.0
Lead (Pb), % 0 to 0.090
0 to 1.5
Manganese (Mn), % 0.2 to 1.5
1.0 to 3.5
Nickel (Ni), % 0 to 0.5
0 to 2.5
Phosphorus (P), % 0.030 to 0.3
0
Silicon (Si), % 1.5 to 2.5
0 to 1.0
Tin (Sn), % 0 to 0.5
0 to 1.0
Zinc (Zn), % 28.6 to 39.3
18.9 to 41
Residuals, % 0 to 0.5
0