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SAE-AISI 1039 Steel vs. Z21721 Zinc

SAE-AISI 1039 steel belongs to the iron alloys classification, while Z21721 zinc belongs to the zinc alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1039 steel and the bottom bar is Z21721 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
87
Elongation at Break, % 14 to 18
40
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 73
35
Tensile Strength: Ultimate (UTS), MPa 610 to 690
150
Tensile Strength: Yield (Proof), MPa 340 to 580
120

Thermal Properties

Latent Heat of Fusion, J/g 250
110
Maximum Temperature: Mechanical, °C 400
90
Melting Completion (Liquidus), °C 1460
410
Melting Onset (Solidus), °C 1420
390
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 51
110
Thermal Expansion, µm/m-K 12
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
37

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
11
Density, g/cm3 7.8
6.6
Embodied Carbon, kg CO2/kg material 1.4
2.8
Embodied Energy, MJ/kg 18
53
Embodied Water, L/kg 46
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 94
57
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 890
88
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 22 to 24
6.4
Strength to Weight: Bending, points 20 to 22
9.6
Thermal Diffusivity, mm2/s 14
44
Thermal Shock Resistance, points 19 to 22
4.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.070
Carbon (C), % 0.37 to 0.44
0
Copper (Cu), % 0
0 to 0.0050
Iron (Fe), % 98.5 to 98.9
0 to 0.010
Lead (Pb), % 0
0 to 1.0
Manganese (Mn), % 0.7 to 1.0
0
Phosphorus (P), % 0 to 0.040
0
Sulfur (S), % 0 to 0.050
0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0
98.9 to 100