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SAE-AISI 81B45 Steel vs. Z40101 Zinc

SAE-AISI 81B45 steel belongs to the iron alloys classification, while Z40101 zinc belongs to the zinc alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 81B45 steel and the bottom bar is Z40101 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
87
Elongation at Break, % 12 to 24
44
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 73
35
Tensile Strength: Ultimate (UTS), MPa 540 to 670
130
Tensile Strength: Yield (Proof), MPa 350 to 560
110

Thermal Properties

Latent Heat of Fusion, J/g 250
110
Maximum Temperature: Mechanical, °C 410
90
Melting Completion (Liquidus), °C 1460
410
Melting Onset (Solidus), °C 1420
400
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 40
110
Thermal Expansion, µm/m-K 12
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
37

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
11
Density, g/cm3 7.8
6.6
Embodied Carbon, kg CO2/kg material 1.5
2.8
Embodied Energy, MJ/kg 20
53
Embodied Water, L/kg 49
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 110
56
Resilience: Unit (Modulus of Resilience), kJ/m3 320 to 840
69
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 19 to 24
5.7
Strength to Weight: Bending, points 19 to 22
8.9
Thermal Diffusivity, mm2/s 11
44
Thermal Shock Resistance, points 17 to 21
4.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Boron (B), % 0.00050 to 0.0030
0
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0.43 to 0.48
0
Chromium (Cr), % 0.35 to 0.55
0
Copper (Cu), % 0
0.080 to 0.4
Iron (Fe), % 97 to 98
0 to 0.010
Lead (Pb), % 0
0 to 0.010
Manganese (Mn), % 0.75 to 1.0
0
Molybdenum (Mo), % 0.080 to 0.15
0
Nickel (Ni), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0
99.542 to 99.92