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C21000 Brass vs. CC750S Brass

Both C21000 brass and CC750S brass are copper alloys. They have 69% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C21000 brass and the bottom bar is CC750S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 2.9 to 50
13
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 240 to 450
200
Tensile Strength: Yield (Proof), MPa 69 to 440
80

Thermal Properties

Latent Heat of Fusion, J/g 200
170
Maximum Temperature: Mechanical, °C 190
130
Melting Completion (Liquidus), °C 1070
860
Melting Onset (Solidus), °C 1050
810
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 230
110
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
24
Electrical Conductivity: Equal Weight (Specific), % IACS 57
26

Otherwise Unclassified Properties

Base Metal Price, % relative 30
25
Density, g/cm3 8.8
8.2
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 42
46
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
22
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 830
30
Stiffness to Weight: Axial, points 7.2
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.4 to 14
6.8
Strength to Weight: Bending, points 9.6 to 15
9.3
Thermal Diffusivity, mm2/s 69
35
Thermal Shock Resistance, points 8.1 to 15
6.7

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Copper (Cu), % 94 to 96
62 to 67
Iron (Fe), % 0 to 0.050
0 to 0.8
Lead (Pb), % 0 to 0.030
1.0 to 3.0
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.050
Tin (Sn), % 0
0 to 1.5
Zinc (Zn), % 3.7 to 6.0
26.3 to 36
Residuals, % 0 to 0.2
0