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Zamak 2 vs. S20910 Stainless Steel

Zamak 2 belongs to the zinc alloys classification, while S20910 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is Zamak 2 and the bottom bar is S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
230 to 290
Elastic (Young's, Tensile) Modulus, GPa 87
200
Elongation at Break, % 6.0
14 to 39
Fatigue Strength, MPa 59
310 to 460
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 33
79
Shear Strength, MPa 320
500 to 570
Tensile Strength: Ultimate (UTS), MPa 360
780 to 940
Tensile Strength: Yield (Proof), MPa 270
430 to 810

Thermal Properties

Latent Heat of Fusion, J/g 130
300
Maximum Temperature: Mechanical, °C 95
1080
Melting Completion (Liquidus), °C 390
1420
Melting Onset (Solidus), °C 380
1380
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 110
13
Thermal Expansion, µm/m-K 28
16

Otherwise Unclassified Properties

Base Metal Price, % relative 12
22
Density, g/cm3 6.5
7.8
Embodied Carbon, kg CO2/kg material 3.0
4.8
Embodied Energy, MJ/kg 57
68
Embodied Water, L/kg 380
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 420
460 to 1640
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
28 to 33
Strength to Weight: Bending, points 17
24 to 27
Thermal Diffusivity, mm2/s 41
3.6
Thermal Shock Resistance, points 11
17 to 21

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
20.5 to 23.5
Copper (Cu), % 2.5 to 3.3
0
Iron (Fe), % 0 to 0.1
52.1 to 62.1
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
4.0 to 6.0
Molybdenum (Mo), % 0
1.5 to 3.0
Nickel (Ni), % 0 to 0.020
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.030
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0030
0
Vanadium (V), % 0
0.1 to 0.3
Zinc (Zn), % 92.2 to 94
0