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ZA-27 vs. R30556 Alloy

ZA-27 belongs to the zinc alloys classification, while R30556 alloy 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 R30556 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 78
210
Elongation at Break, % 2.0 to 4.5
45
Fatigue Strength, MPa 110 to 170
320
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 31
81
Shear Strength, MPa 230 to 330
550
Tensile Strength: Ultimate (UTS), MPa 400 to 430
780
Tensile Strength: Yield (Proof), MPa 260 to 370
350

Thermal Properties

Latent Heat of Fusion, J/g 130
300
Maximum Temperature: Mechanical, °C 120
1100
Melting Completion (Liquidus), °C 480
1420
Melting Onset (Solidus), °C 380
1330
Specific Heat Capacity, J/kg-K 530
450
Thermal Conductivity, W/m-K 130
11
Thermal Expansion, µm/m-K 26
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 53
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
70
Density, g/cm3 5.0
8.4
Embodied Carbon, kg CO2/kg material 4.2
8.7
Embodied Energy, MJ/kg 80
130
Embodied Water, L/kg 570
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1 to 18
290
Resilience: Unit (Modulus of Resilience), kJ/m3 420 to 890
290
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 28
23
Strength to Weight: Axial, points 22 to 24
26
Strength to Weight: Bending, points 24 to 25
22
Thermal Diffusivity, mm2/s 47
2.9
Thermal Shock Resistance, points 14 to 15
18

Alloy Composition

Aluminum (Al), % 25 to 28
0.1 to 0.5
Boron (B), % 0
0 to 0.020
Cadmium (Cd), % 0 to 0.0060
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
21 to 23
Cobalt (Co), % 0
16 to 21
Copper (Cu), % 2.0 to 2.5
0
Iron (Fe), % 0 to 0.1
20.4 to 38.2
Lanthanum (La), % 0
0.0050 to 0.1
Lead (Pb), % 0 to 0.0060
0
Magnesium (Mg), % 0.010 to 0.020
0
Manganese (Mn), % 0
0.5 to 2.0
Molybdenum (Mo), % 0
2.5 to 4.0
Nickel (Ni), % 0 to 0.020
19 to 22.5
Niobium (Nb), % 0
0 to 0.3
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.080
0.2 to 0.8
Sulfur (S), % 0
0 to 0.015
Tantalum (Ta), % 0
0.3 to 1.3
Tin (Sn), % 0 to 0.0030
0
Tungsten (W), % 0
2.0 to 3.5
Zinc (Zn), % 69.3 to 73
0.0010 to 0.1