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CC751S Brass vs. C68400 Brass

Both CC751S brass and C68400 brass are copper alloys. They have a very high 95% 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 CC751S brass and the bottom bar is C68400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
150
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 5.6
18
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 450
540
Tensile Strength: Yield (Proof), MPa 320
310

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 130
130
Melting Completion (Liquidus), °C 850
840
Melting Onset (Solidus), °C 810
820
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 110
66
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
87
Electrical Conductivity: Equal Weight (Specific), % IACS 28
99

Otherwise Unclassified Properties

Base Metal Price, % relative 24
23
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 46
47
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
81
Resilience: Unit (Modulus of Resilience), kJ/m3 480
460
Stiffness to Weight: Axial, points 7.2
7.5
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 15
19
Strength to Weight: Bending, points 16
19
Thermal Diffusivity, mm2/s 35
21
Thermal Shock Resistance, points 15
18

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.5
Antimony (Sb), % 0 to 0.5
0
Boron (B), % 0
0.0010 to 0.030
Copper (Cu), % 62.7 to 66
59 to 64
Iron (Fe), % 0.25 to 0.5
0 to 1.0
Lead (Pb), % 0.8 to 2.2
0 to 0.090
Manganese (Mn), % 0 to 0.15
0.2 to 1.5
Nickel (Ni), % 0 to 0.8
0 to 0.5
Phosphorus (P), % 0
0.030 to 0.3
Silicon (Si), % 0.65 to 1.1
1.5 to 2.5
Tin (Sn), % 0 to 0.8
0 to 0.5
Zinc (Zn), % 27.9 to 35.6
28.6 to 39.3
Residuals, % 0
0 to 0.5