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SAE-AISI D3 Steel vs. Zamak 7

SAE-AISI D3 steel belongs to the iron alloys classification, while Zamak 7 belongs to the zinc alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI D3 steel and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
86
Elongation at Break, % 9.8 to 15
13
Fatigue Strength, MPa 310 to 940
47
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 74
33
Shear Strength, MPa 470 to 1220
210
Tensile Strength: Ultimate (UTS), MPa 770 to 2050
280
Tensile Strength: Yield (Proof), MPa 480 to 1550
250

Thermal Properties

Latent Heat of Fusion, J/g 270
120
Melting Completion (Liquidus), °C 1430
390
Melting Onset (Solidus), °C 1390
380
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 31
110
Thermal Expansion, µm/m-K 12
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
38

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
11
Density, g/cm3 7.7
6.4
Embodied Carbon, kg CO2/kg material 3.2
3.0
Embodied Energy, MJ/kg 48
57
Embodied Water, L/kg 100
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 97 to 180
36
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 28 to 74
12
Strength to Weight: Bending, points 24 to 47
15
Thermal Diffusivity, mm2/s 8.3
43
Thermal Shock Resistance, points 23 to 63
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 2.0 to 2.4
0
Chromium (Cr), % 11 to 13.5
0
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 80.3 to 87
0 to 0.075
Lead (Pb), % 0
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Manganese (Mn), % 0 to 0.6
0
Nickel (Ni), % 0 to 0.3
0.0050 to 0.020
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0010
Tungsten (W), % 0 to 1.0
0
Vanadium (V), % 0 to 1.0
0
Zinc (Zn), % 0
95.3 to 96.5