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ASTM A302 Alloy Steel vs. Commercially Pure Zinc

ASTM A302 alloy steel belongs to the iron alloys classification, while commercially pure 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 ASTM A302 alloy steel and the bottom bar is commercially pure zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
87
Elongation at Break, % 20 to 23
38
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 73
35
Tensile Strength: Ultimate (UTS), MPa 590 to 620
97
Tensile Strength: Yield (Proof), MPa 350 to 390
79

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 39 to 51
110
Thermal Expansion, µm/m-K 13
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.4
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.4
37

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4 to 3.0
11
Density, g/cm3 7.8 to 7.9
6.6
Embodied Carbon, kg CO2/kg material 1.5 to 1.6
2.8
Embodied Energy, MJ/kg 20 to 21
53
Embodied Water, L/kg 48 to 50
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
34
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 410
36
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 21 to 22
4.1
Strength to Weight: Bending, points 20 to 21
7.1
Thermal Diffusivity, mm2/s 10 to 14
44
Thermal Shock Resistance, points 17 to 18
3.0