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Zamak 2 vs. ASTM A372 Grade G Steel

Zamak 2 belongs to the zinc alloys classification, while ASTM A372 grade G steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is Zamak 2 and the bottom bar is ASTM A372 grade G steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
200 to 280
Elastic (Young's, Tensile) Modulus, GPa 87
190
Elongation at Break, % 6.0
20 to 22
Fatigue Strength, MPa 59
310 to 380
Poisson's Ratio 0.26
0.29
Shear Modulus, GPa 33
73
Shear Strength, MPa 320
410 to 570
Tensile Strength: Ultimate (UTS), MPa 360
650 to 910
Tensile Strength: Yield (Proof), MPa 270
430 to 550

Thermal Properties

Latent Heat of Fusion, J/g 130
250
Maximum Temperature: Mechanical, °C 95
410
Melting Completion (Liquidus), °C 390
1460
Melting Onset (Solidus), °C 380
1420
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 110
46
Thermal Expansion, µm/m-K 28
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 35
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.2
Density, g/cm3 6.5
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.5
Embodied Energy, MJ/kg 57
20
Embodied Water, L/kg 380
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
130 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 420
500 to 810
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 15
23 to 32
Strength to Weight: Bending, points 17
21 to 27
Thermal Diffusivity, mm2/s 41
13
Thermal Shock Resistance, points 11
19 to 27

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0.25 to 0.35
Chromium (Cr), % 0
0.4 to 0.65
Copper (Cu), % 2.5 to 3.3
0
Iron (Fe), % 0 to 0.1
97.4 to 98.4
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0.7 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 0 to 0.020
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.030
0.15 to 0.35
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 92.2 to 94
0