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S13800 Stainless Steel vs. Zamak 7

S13800 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 S13800 stainless steel and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 480
80
Elastic (Young's, Tensile) Modulus, GPa 200
86
Elongation at Break, % 11 to 18
13
Fatigue Strength, MPa 410 to 870
47
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 77
33
Shear Strength, MPa 610 to 1030
210
Tensile Strength: Ultimate (UTS), MPa 980 to 1730
280
Tensile Strength: Yield (Proof), MPa 660 to 1580
250

Thermal Properties

Latent Heat of Fusion, J/g 280
120
Maximum Temperature: Mechanical, °C 810
95
Melting Completion (Liquidus), °C 1450
390
Melting Onset (Solidus), °C 1410
380
Specific Heat Capacity, J/kg-K 470
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 7.9
6.4
Embodied Carbon, kg CO2/kg material 3.4
3.0
Embodied Energy, MJ/kg 46
57
Embodied Water, L/kg 140
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 190
36
Resilience: Unit (Modulus of Resilience), kJ/m3 1090 to 5490
370
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 35 to 61
12
Strength to Weight: Bending, points 28 to 41
15
Thermal Diffusivity, mm2/s 4.3
43
Thermal Shock Resistance, points 33 to 58
8.6

Alloy Composition

Aluminum (Al), % 0.9 to 1.4
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 12.3 to 13.2
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 73.6 to 77.3
0 to 0.075
Lead (Pb), % 0
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Manganese (Mn), % 0 to 0.2
0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 7.5 to 8.5
0.0050 to 0.020
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0
Sulfur (S), % 0 to 0.0080
0
Tin (Sn), % 0
0 to 0.0010
Zinc (Zn), % 0
95.3 to 96.5