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ZA-8 vs. ACI-ASTM CB30 Steel

ZA-8 belongs to the zinc alloys classification, while ACI-ASTM CB30 steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is ZA-8 and the bottom bar is ACI-ASTM CB30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 87 to 100
210
Elastic (Young's, Tensile) Modulus, GPa 85 to 86
200
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 34
77
Tensile Strength: Ultimate (UTS), MPa 210 to 370
500
Tensile Strength: Yield (Proof), MPa 210 to 290
230

Thermal Properties

Latent Heat of Fusion, J/g 110
290
Maximum Temperature: Mechanical, °C 100
940
Melting Completion (Liquidus), °C 400
1430
Melting Onset (Solidus), °C 380
1380
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 120
21
Thermal Expansion, µm/m-K 23
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 40
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 6.3
7.7
Embodied Carbon, kg CO2/kg material 3.3
2.3
Embodied Energy, MJ/kg 62
33
Embodied Water, L/kg 420
130

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
140
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 9.3 to 17
18
Strength to Weight: Bending, points 12 to 18
18
Thermal Diffusivity, mm2/s 42
5.6
Thermal Shock Resistance, points 7.6 to 13
17

Alloy Composition

Aluminum (Al), % 8.0 to 8.8
0
Cadmium (Cd), % 0 to 0.0060
0
Carbon (C), % 0
0 to 0.3
Chromium (Cr), % 0
18 to 21
Copper (Cu), % 0.8 to 1.3
0 to 1.2
Iron (Fe), % 0 to 0.075
72.9 to 82
Lead (Pb), % 0 to 0.0060
0
Magnesium (Mg), % 0.015 to 0.030
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.020
0 to 2.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.045
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 89.7 to 91.2
0