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S40977 Stainless Steel vs. Zamak 2

S40977 stainless steel belongs to the iron alloys classification, while Zamak 2 belongs to the zinc alloys. There are 32 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S40977 stainless steel and the bottom bar is Zamak 2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
100
Elastic (Young's, Tensile) Modulus, GPa 190
87
Elongation at Break, % 21
6.0
Fatigue Strength, MPa 200
59
Poisson's Ratio 0.28
0.26
Rockwell B Hardness 76
63
Shear Modulus, GPa 76
33
Shear Strength, MPa 320
320
Tensile Strength: Ultimate (UTS), MPa 510
360
Tensile Strength: Yield (Proof), MPa 310
270

Thermal Properties

Latent Heat of Fusion, J/g 270
130
Maximum Temperature: Mechanical, °C 720
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 25
110
Thermal Expansion, µm/m-K 10
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
25
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
35

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
12
Density, g/cm3 7.8
6.5
Embodied Carbon, kg CO2/kg material 1.9
3.0
Embodied Energy, MJ/kg 27
57
Embodied Water, L/kg 97
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
20
Resilience: Unit (Modulus of Resilience), kJ/m3 250
420
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 18
15
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 6.7
41
Thermal Shock Resistance, points 18
11

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 10.5 to 12.5
0
Copper (Cu), % 0
2.5 to 3.3
Iron (Fe), % 83.9 to 89.2
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.020 to 0.060
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 0.3 to 1.0
0 to 0.020
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.030
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
92.2 to 94