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Zamak 7 vs. ACI-ASTM CK35MN Steel

Zamak 7 belongs to the zinc alloys classification, while ACI-ASTM CK35MN steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is Zamak 7 and the bottom bar is ACI-ASTM CK35MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
190
Elastic (Young's, Tensile) Modulus, GPa 86
210
Elongation at Break, % 13
40
Fatigue Strength, MPa 47
270
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 33
81
Tensile Strength: Ultimate (UTS), MPa 280
650
Tensile Strength: Yield (Proof), MPa 250
310

Thermal Properties

Latent Heat of Fusion, J/g 120
310
Maximum Temperature: Mechanical, °C 95
1100
Melting Completion (Liquidus), °C 390
1460
Melting Onset (Solidus), °C 380
1410
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 110
12
Thermal Expansion, µm/m-K 27
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 38
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
31
Density, g/cm3 6.4
8.0
Embodied Carbon, kg CO2/kg material 3.0
5.9
Embodied Energy, MJ/kg 57
81
Embodied Water, L/kg 380
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
210
Resilience: Unit (Modulus of Resilience), kJ/m3 370
240
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 12
22
Strength to Weight: Bending, points 15
21
Thermal Diffusivity, mm2/s 43
3.3
Thermal Shock Resistance, points 8.6
14

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.035
Chromium (Cr), % 0
22 to 24
Copper (Cu), % 0 to 0.25
0 to 0.4
Iron (Fe), % 0 to 0.075
43.4 to 51.8
Lead (Pb), % 0 to 0.0030
0
Magnesium (Mg), % 0.0050 to 0.020
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 6.8
Nickel (Ni), % 0.0050 to 0.020
20 to 22
Nitrogen (N), % 0
0.21 to 0.32
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.0010
0
Zinc (Zn), % 95.3 to 96.5
0