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ZA-27 vs. SAE-AISI M7 Steel

ZA-27 belongs to the zinc alloys classification, while SAE-AISI M7 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is ZA-27 and the bottom bar is SAE-AISI M7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 78
200
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 31
77
Tensile Strength: Ultimate (UTS), MPa 400 to 430
760 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 130
270
Melting Completion (Liquidus), °C 480
1560
Melting Onset (Solidus), °C 380
1510
Specific Heat Capacity, J/kg-K 530
450
Thermal Conductivity, W/m-K 130
28
Thermal Expansion, µm/m-K 26
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
18
Density, g/cm3 5.0
8.1
Embodied Carbon, kg CO2/kg material 4.2
8.9
Embodied Energy, MJ/kg 80
130
Embodied Water, L/kg 570
100

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
26 to 76
Strength to Weight: Bending, points 24 to 25
23 to 47
Thermal Diffusivity, mm2/s 47
7.8
Thermal Shock Resistance, points 14 to 15
24 to 69

Alloy Composition

Aluminum (Al), % 25 to 28
0
Cadmium (Cd), % 0 to 0.0060
0
Carbon (C), % 0
1.0 to 1.1
Chromium (Cr), % 0
3.5 to 4.0
Copper (Cu), % 2.0 to 2.5
0 to 0.25
Iron (Fe), % 0 to 0.1
79.8 to 83.8
Lead (Pb), % 0 to 0.0060
0
Magnesium (Mg), % 0.010 to 0.020
0
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
8.2 to 9.2
Nickel (Ni), % 0 to 0.020
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.080
0.2 to 0.55
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0030
0
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.8 to 2.3
Zinc (Zn), % 69.3 to 73
0