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Commercially Pure Zinc vs. S31730 Stainless Steel

Commercially pure zinc belongs to the zinc alloys classification, while S31730 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is commercially pure zinc and the bottom bar is S31730 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
200
Elongation at Break, % 38
40
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 35
77
Tensile Strength: Ultimate (UTS), MPa 97
540
Tensile Strength: Yield (Proof), MPa 79
200

Thermal Properties

Latent Heat of Fusion, J/g 110
290
Maximum Temperature: Mechanical, °C 90
990
Melting Completion (Liquidus), °C 410
1430
Melting Onset (Solidus), °C 400
1390
Specific Heat Capacity, J/kg-K 390
470
Thermal Expansion, µm/m-K 26
16

Otherwise Unclassified Properties

Base Metal Price, % relative 11
24
Density, g/cm3 6.6
8.0
Embodied Carbon, kg CO2/kg material 2.8
4.6
Embodied Energy, MJ/kg 53
63
Embodied Water, L/kg 340
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
170
Resilience: Unit (Modulus of Resilience), kJ/m3 36
99
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 4.1
19
Strength to Weight: Bending, points 7.1
18
Thermal Shock Resistance, points 3.0
12

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Cadmium (Cd), % 0 to 0.010
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0 to 0.080
4.0 to 5.0
Iron (Fe), % 0 to 0.020
52.4 to 61
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0
15 to 16.5
Nitrogen (N), % 0
0 to 0.045
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 99.827 to 100
0