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CC751S Brass vs. ZA-12

CC751S brass belongs to the copper alloys classification, while ZA-12 belongs to the zinc alloys. They have a modest 33% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is CC751S brass and the bottom bar is ZA-12.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
89 to 100
Elastic (Young's, Tensile) Modulus, GPa 110
83
Elongation at Break, % 5.6
1.6 to 5.3
Poisson's Ratio 0.31
0.26
Shear Modulus, GPa 40
33
Tensile Strength: Ultimate (UTS), MPa 450
260 to 400
Tensile Strength: Yield (Proof), MPa 320
210 to 320

Thermal Properties

Latent Heat of Fusion, J/g 190
120
Maximum Temperature: Mechanical, °C 130
100
Melting Completion (Liquidus), °C 850
430
Melting Onset (Solidus), °C 810
380
Specific Heat Capacity, J/kg-K 390
450
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 20
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
28
Electrical Conductivity: Equal Weight (Specific), % IACS 28
42

Otherwise Unclassified Properties

Base Metal Price, % relative 24
11
Density, g/cm3 8.1
6.0
Embodied Carbon, kg CO2/kg material 2.8
3.4
Embodied Energy, MJ/kg 46
64
Embodied Water, L/kg 330
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
4.0 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 480
260 to 620
Stiffness to Weight: Axial, points 7.2
7.6
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 15
12 to 19
Strength to Weight: Bending, points 16
15 to 20
Thermal Diffusivity, mm2/s 35
43
Thermal Shock Resistance, points 15
9.4 to 14

Alloy Composition

Aluminum (Al), % 0 to 0.1
10.5 to 11.5
Antimony (Sb), % 0 to 0.5
0
Cadmium (Cd), % 0
0 to 0.0060
Copper (Cu), % 62.7 to 66
0.5 to 1.2
Iron (Fe), % 0.25 to 0.5
0 to 0.075
Lead (Pb), % 0.8 to 2.2
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.8
0 to 0.020
Silicon (Si), % 0.65 to 1.1
0 to 0.060
Tin (Sn), % 0 to 0.8
0 to 0.0030
Zinc (Zn), % 27.9 to 35.6
87.1 to 89