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ZA-27 vs. ACI-ASTM CB7Cu-1 Steel

ZA-27 belongs to the zinc alloys classification, while ACI-ASTM CB7Cu-1 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ZA-27 and the bottom bar is ACI-ASTM CB7Cu-1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 120
300 to 420
Elastic (Young's, Tensile) Modulus, GPa 78
190
Elongation at Break, % 2.0 to 4.5
5.7 to 11
Fatigue Strength, MPa 110 to 170
420 to 590
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 31
76
Tensile Strength: Ultimate (UTS), MPa 400 to 430
960 to 1350
Tensile Strength: Yield (Proof), MPa 260 to 370
760 to 1180

Thermal Properties

Latent Heat of Fusion, J/g 130
280
Melting Completion (Liquidus), °C 480
1430
Melting Onset (Solidus), °C 380
1500
Specific Heat Capacity, J/kg-K 530
480
Thermal Conductivity, W/m-K 130
17
Thermal Expansion, µm/m-K 26
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 53
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
13
Density, g/cm3 5.0
7.8
Embodied Carbon, kg CO2/kg material 4.2
2.6
Embodied Energy, MJ/kg 80
38
Embodied Water, L/kg 570
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1 to 18
71 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 420 to 890
1500 to 3590
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 28
25
Strength to Weight: Axial, points 22 to 24
34 to 48
Strength to Weight: Bending, points 24 to 25
28 to 35
Thermal Diffusivity, mm2/s 47
4.6
Thermal Shock Resistance, points 14 to 15
32 to 45

Alloy Composition

Aluminum (Al), % 25 to 28
0
Cadmium (Cd), % 0 to 0.0060
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
15.5 to 17.7
Copper (Cu), % 2.0 to 2.5
2.5 to 3.2
Iron (Fe), % 0 to 0.1
72.3 to 78.4
Lead (Pb), % 0 to 0.0060
0
Magnesium (Mg), % 0.010 to 0.020
0
Manganese (Mn), % 0
0 to 0.7
Nickel (Ni), % 0 to 0.020
3.6 to 4.6
Niobium (Nb), % 0
0 to 0.35
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.080
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 69.3 to 73
0