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SAE-AISI 9255 Steel vs. Zamak 3

SAE-AISI 9255 steel belongs to the iron alloys classification, while Zamak 3 belongs to the zinc alloys. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 9255 steel and the bottom bar is Zamak 3.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
83
Elastic (Young's, Tensile) Modulus, GPa 190
86
Elongation at Break, % 21
11
Fatigue Strength, MPa 270
48
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 72
33
Shear Strength, MPa 430
210
Tensile Strength: Ultimate (UTS), MPa 680
280
Tensile Strength: Yield (Proof), MPa 390
210

Thermal Properties

Latent Heat of Fusion, J/g 280
120
Maximum Temperature: Mechanical, °C 400
95
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 46
110
Thermal Expansion, µm/m-K 13
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
38

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
11
Density, g/cm3 7.7
6.4
Embodied Carbon, kg CO2/kg material 1.5
3.0
Embodied Energy, MJ/kg 20
57
Embodied Water, L/kg 46
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
28
Resilience: Unit (Modulus of Resilience), kJ/m3 400
260
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 24
12
Strength to Weight: Bending, points 22
15
Thermal Diffusivity, mm2/s 13
43
Thermal Shock Resistance, points 21
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0.51 to 0.59
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 96.2 to 97
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.020 to 0.060
Manganese (Mn), % 0.7 to 1.0
0
Nickel (Ni), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 1.8 to 2.2
0 to 0.030
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
95.3 to 96.5