MakeItFrom.com
Menu (ESC)

C68400 Brass vs. CC761S Brass

Both C68400 brass and CC761S 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 C68400 brass and the bottom bar is CC761S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
150
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 18
8.7
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 540
540
Tensile Strength: Yield (Proof), MPa 310
340

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 840
960
Melting Onset (Solidus), °C 820
910
Specific Heat Capacity, J/kg-K 400
410
Thermal Conductivity, W/m-K 66
27
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
40
Electrical Conductivity: Equal Weight (Specific), % IACS 99
43

Otherwise Unclassified Properties

Base Metal Price, % relative 23
27
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 47
45
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
41
Resilience: Unit (Modulus of Resilience), kJ/m3 460
530
Stiffness to Weight: Axial, points 7.5
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 19
18
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 21
8.0
Thermal Shock Resistance, points 18
19

Alloy Composition

Aluminum (Al), % 0 to 0.5
0 to 0.1
Antimony (Sb), % 0
0 to 0.050
Boron (B), % 0.0010 to 0.030
0
Copper (Cu), % 59 to 64
78 to 83
Iron (Fe), % 0 to 1.0
0 to 0.6
Lead (Pb), % 0 to 0.090
0 to 0.8
Manganese (Mn), % 0.2 to 1.5
0 to 0.2
Nickel (Ni), % 0 to 0.5
0 to 1.0
Phosphorus (P), % 0.030 to 0.3
0 to 0.030
Silicon (Si), % 1.5 to 2.5
3.0 to 5.0
Tin (Sn), % 0 to 0.5
0 to 0.3
Zinc (Zn), % 28.6 to 39.3
8.9 to 19
Residuals, % 0 to 0.5
0