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Zamak 7 vs. AISI 409Cb Stainless Steel

Zamak 7 belongs to the zinc alloys classification, while AISI 409Cb stainless 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 AISI 409Cb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
190
Elongation at Break, % 13
24
Fatigue Strength, MPa 47
140
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 33
75
Shear Strength, MPa 210
270
Tensile Strength: Ultimate (UTS), MPa 280
420
Tensile Strength: Yield (Proof), MPa 250
200

Thermal Properties

Latent Heat of Fusion, J/g 120
270
Maximum Temperature: Mechanical, °C 95
710
Melting Completion (Liquidus), °C 390
1450
Melting Onset (Solidus), °C 380
1410
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
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
8.5
Density, g/cm3 6.4
7.8
Embodied Carbon, kg CO2/kg material 3.0
2.2
Embodied Energy, MJ/kg 57
31
Embodied Water, L/kg 380
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
83
Resilience: Unit (Modulus of Resilience), kJ/m3 370
100
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 12
15
Strength to Weight: Bending, points 15
16
Thermal Diffusivity, mm2/s 43
6.7
Thermal Shock Resistance, points 8.6
15

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
10.5 to 11.7
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.075
84.9 to 89.5
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 0.5
Niobium (Nb), % 0
0 to 0.75
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 0.0010
0
Zinc (Zn), % 95.3 to 96.5
0