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ZA-27 vs. SAE-AISI H12 Steel

ZA-27 belongs to the zinc alloys classification, while SAE-AISI H12 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is ZA-27 and the bottom bar is SAE-AISI H12 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 78
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 31
75
Tensile Strength: Ultimate (UTS), MPa 400 to 430
690 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 130
270
Melting Completion (Liquidus), °C 480
1480
Melting Onset (Solidus), °C 380
1440
Specific Heat Capacity, J/kg-K 530
470
Thermal Conductivity, W/m-K 130
36
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
8.3
Electrical Conductivity: Equal Weight (Specific), % IACS 53
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.0
Density, g/cm3 5.0
7.9
Embodied Carbon, kg CO2/kg material 4.2
2.9
Embodied Energy, MJ/kg 80
41
Embodied Water, L/kg 570
76

Common Calculations

Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 28
24
Strength to Weight: Axial, points 22 to 24
24 to 65
Strength to Weight: Bending, points 24 to 25
22 to 42
Thermal Diffusivity, mm2/s 47
9.8
Thermal Shock Resistance, points 14 to 15
22 to 60

Alloy Composition

Aluminum (Al), % 25 to 28
0
Cadmium (Cd), % 0 to 0.0060
0
Carbon (C), % 0
0.3 to 0.4
Chromium (Cr), % 0
4.8 to 5.5
Copper (Cu), % 2.0 to 2.5
0 to 0.25
Iron (Fe), % 0 to 0.1
87.8 to 91.7
Lead (Pb), % 0 to 0.0060
0
Magnesium (Mg), % 0.010 to 0.020
0
Manganese (Mn), % 0
0.2 to 0.5
Molybdenum (Mo), % 0
1.3 to 1.8
Nickel (Ni), % 0 to 0.020
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.080
0.8 to 1.2
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0030
0
Tungsten (W), % 0
1.0 to 1.7
Vanadium (V), % 0
0 to 0.5
Zinc (Zn), % 69.3 to 73
0