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S15500 Stainless Steel vs. Zamak 7

S15500 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 (8, in this case) are not shown.

For each property being compared, the top bar is S15500 stainless steel and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 430
80
Elastic (Young's, Tensile) Modulus, GPa 190
86
Elongation at Break, % 6.8 to 16
13
Fatigue Strength, MPa 350 to 650
47
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 75
33
Shear Strength, MPa 540 to 870
210
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
280
Tensile Strength: Yield (Proof), MPa 590 to 1310
250

Thermal Properties

Latent Heat of Fusion, J/g 280
120
Maximum Temperature: Mechanical, °C 820
95
Melting Completion (Liquidus), °C 1430
390
Melting Onset (Solidus), °C 1380
380
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 17
110
Thermal Expansion, µm/m-K 11
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
38

Otherwise Unclassified Properties

Base Metal Price, % relative 13
11
Density, g/cm3 7.8
6.4
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 39
57
Embodied Water, L/kg 130
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
36
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
370
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 32 to 53
12
Strength to Weight: Bending, points 26 to 37
15
Thermal Diffusivity, mm2/s 4.6
43
Thermal Shock Resistance, points 30 to 50
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 14 to 15.5
0
Copper (Cu), % 2.5 to 4.5
0 to 0.25
Iron (Fe), % 71.9 to 79.9
0 to 0.075
Lead (Pb), % 0
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 3.5 to 5.5
0.0050 to 0.020
Niobium (Nb), % 0.15 to 0.45
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0010
Zinc (Zn), % 0
95.3 to 96.5