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S15700 Stainless Steel vs. Zamak 3

S15700 stainless 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 (7, in this case) are not shown.

For each property being compared, the top bar is S15700 stainless steel and the bottom bar is Zamak 3.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 460
83
Elastic (Young's, Tensile) Modulus, GPa 200
86
Elongation at Break, % 1.1 to 29
11
Fatigue Strength, MPa 370 to 770
48
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 77
33
Shear Strength, MPa 770 to 1070
210
Tensile Strength: Ultimate (UTS), MPa 1180 to 1890
280
Tensile Strength: Yield (Proof), MPa 500 to 1770
210

Thermal Properties

Latent Heat of Fusion, J/g 290
120
Maximum Temperature: Mechanical, °C 870
95
Melting Completion (Liquidus), °C 1440
390
Melting Onset (Solidus), °C 1400
380
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 16
110
Thermal Expansion, µm/m-K 11
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
38

Otherwise Unclassified Properties

Base Metal Price, % relative 15
11
Density, g/cm3 7.8
6.4
Embodied Carbon, kg CO2/kg material 3.4
3.0
Embodied Energy, MJ/kg 47
57
Embodied Water, L/kg 140
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 270
28
Resilience: Unit (Modulus of Resilience), kJ/m3 640 to 4660
260
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 42 to 67
12
Strength to Weight: Bending, points 32 to 43
15
Thermal Diffusivity, mm2/s 4.2
43
Thermal Shock Resistance, points 39 to 63
8.6

Alloy Composition

Aluminum (Al), % 0.75 to 1.5
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.090
0
Chromium (Cr), % 14 to 16
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 69.6 to 76.8
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.020 to 0.060
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 6.5 to 7.7
0 to 0.020
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.030
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
95.3 to 96.5