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Zamak 7 vs. AISI 430 Stainless Steel

Zamak 7 belongs to the zinc alloys classification, while AISI 430 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is Zamak 7 and the bottom bar is AISI 430 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
160
Elastic (Young's, Tensile) Modulus, GPa 86
200
Elongation at Break, % 13
24
Fatigue Strength, MPa 47
180
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 33
77
Shear Strength, MPa 210
320
Tensile Strength: Ultimate (UTS), MPa 280
500
Tensile Strength: Yield (Proof), MPa 250
260

Thermal Properties

Latent Heat of Fusion, J/g 120
280
Maximum Temperature: Mechanical, °C 95
870
Melting Completion (Liquidus), °C 390
1510
Melting Onset (Solidus), °C 380
1430
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 110
25
Thermal Expansion, µm/m-K 27
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 38
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
8.5
Density, g/cm3 6.4
7.7
Embodied Carbon, kg CO2/kg material 3.0
2.1
Embodied Energy, MJ/kg 57
30
Embodied Water, L/kg 380
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
100
Resilience: Unit (Modulus of Resilience), kJ/m3 370
170
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 12
18
Strength to Weight: Bending, points 15
18
Thermal Diffusivity, mm2/s 43
6.7
Thermal Shock Resistance, points 8.6
18

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.075
79.1 to 84
Lead (Pb), % 0 to 0.0030
0
Magnesium (Mg), % 0.0050 to 0.020
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0.0050 to 0.020
0 to 0.75
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0010
0
Zinc (Zn), % 95.3 to 96.5
0