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ZA-27 vs. ACI-ASTM CN7M Steel

ZA-27 belongs to the zinc alloys classification, while ACI-ASTM CN7M steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ZA-27 and the bottom bar is ACI-ASTM CN7M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 120
140
Elastic (Young's, Tensile) Modulus, GPa 78
200
Elongation at Break, % 2.0 to 4.5
44
Fatigue Strength, MPa 110 to 170
190
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 31
77
Tensile Strength: Ultimate (UTS), MPa 400 to 430
480
Tensile Strength: Yield (Proof), MPa 260 to 370
200

Thermal Properties

Latent Heat of Fusion, J/g 130
310
Maximum Temperature: Mechanical, °C 120
1100
Melting Completion (Liquidus), °C 480
1410
Melting Onset (Solidus), °C 380
1450
Specific Heat Capacity, J/kg-K 530
470
Thermal Conductivity, W/m-K 130
21
Thermal Expansion, µm/m-K 26
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 53
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 11
32
Density, g/cm3 5.0
8.1
Embodied Carbon, kg CO2/kg material 4.2
5.6
Embodied Energy, MJ/kg 80
78
Embodied Water, L/kg 570
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1 to 18
170
Resilience: Unit (Modulus of Resilience), kJ/m3 420 to 890
110
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 28
24
Strength to Weight: Axial, points 22 to 24
17
Strength to Weight: Bending, points 24 to 25
17
Thermal Diffusivity, mm2/s 47
5.6
Thermal Shock Resistance, points 14 to 15
12

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
19 to 22
Copper (Cu), % 2.0 to 2.5
3.0 to 4.0
Iron (Fe), % 0 to 0.1
37.4 to 48.5
Lead (Pb), % 0 to 0.0060
0
Magnesium (Mg), % 0.010 to 0.020
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0 to 0.020
27.5 to 30.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.080
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 69.3 to 73
0