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Zamak 7 vs. SAE-AISI 4130 Steel

Zamak 7 belongs to the zinc alloys classification, while SAE-AISI 4130 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is Zamak 7 and the bottom bar is SAE-AISI 4130 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
200 to 300
Elastic (Young's, Tensile) Modulus, GPa 86
190
Elongation at Break, % 13
13 to 26
Fatigue Strength, MPa 47
320 to 660
Poisson's Ratio 0.25
0.29
Shear Modulus, GPa 33
73
Shear Strength, MPa 210
340 to 640
Tensile Strength: Ultimate (UTS), MPa 280
530 to 1040
Tensile Strength: Yield (Proof), MPa 250
440 to 980

Thermal Properties

Latent Heat of Fusion, J/g 120
250
Maximum Temperature: Mechanical, °C 95
420
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
43
Thermal Expansion, µm/m-K 27
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 38
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.4
Density, g/cm3 6.4
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.5
Embodied Energy, MJ/kg 57
20
Embodied Water, L/kg 380
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
83 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 370
500 to 2550
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 12
19 to 37
Strength to Weight: Bending, points 15
19 to 29
Thermal Diffusivity, mm2/s 43
12
Thermal Shock Resistance, points 8.6
16 to 31

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.28 to 0.33
Chromium (Cr), % 0
0.8 to 1.1
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.075
97.3 to 98.2
Lead (Pb), % 0 to 0.0030
0
Magnesium (Mg), % 0.0050 to 0.020
0
Manganese (Mn), % 0
0.4 to 0.6
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 0.0050 to 0.020
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 0.0010
0
Zinc (Zn), % 95.3 to 96.5
0