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S42300 Stainless Steel vs. Zamak 7

S42300 stainless steel belongs to the iron alloys classification, while Zamak 7 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 S42300 stainless steel and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
80
Elastic (Young's, Tensile) Modulus, GPa 200
86
Elongation at Break, % 9.1
13
Fatigue Strength, MPa 440
47
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 77
33
Shear Strength, MPa 650
210
Tensile Strength: Ultimate (UTS), MPa 1100
280
Tensile Strength: Yield (Proof), MPa 850
250

Thermal Properties

Latent Heat of Fusion, J/g 270
120
Maximum Temperature: Mechanical, °C 750
95
Melting Completion (Liquidus), °C 1470
390
Melting Onset (Solidus), °C 1420
380
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 25
110
Thermal Expansion, µm/m-K 10
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.5
27
Electrical Conductivity: Equal Weight (Specific), % IACS 5.2
38

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 7.8
6.4
Embodied Carbon, kg CO2/kg material 3.2
3.0
Embodied Energy, MJ/kg 44
57
Embodied Water, L/kg 110
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
36
Resilience: Unit (Modulus of Resilience), kJ/m3 1840
370
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 39
12
Strength to Weight: Bending, points 30
15
Thermal Diffusivity, mm2/s 6.8
43
Thermal Shock Resistance, points 40
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.27 to 0.32
0
Chromium (Cr), % 11 to 12
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 82 to 85.1
0 to 0.075
Lead (Pb), % 0
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Manganese (Mn), % 1.0 to 1.4
0
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 0 to 0.5
0.0050 to 0.020
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
0 to 0.0010
Vanadium (V), % 0.2 to 0.3
0
Zinc (Zn), % 0
95.3 to 96.5