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ASTM A369 Grade FP12 vs. Z21721 Zinc

ASTM A369 grade FP12 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 ASTM A369 grade FP12 and the bottom bar is Z21721 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
87
Elongation at Break, % 20
40
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 73
35
Tensile Strength: Ultimate (UTS), MPa 470
150
Tensile Strength: Yield (Proof), MPa 250
120

Thermal Properties

Latent Heat of Fusion, J/g 250
110
Maximum Temperature: Mechanical, °C 430
90
Melting Completion (Liquidus), °C 1470
410
Melting Onset (Solidus), °C 1430
390
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 45
110
Thermal Expansion, µm/m-K 13
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
37

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
11
Density, g/cm3 7.9
6.6
Embodied Carbon, kg CO2/kg material 1.6
2.8
Embodied Energy, MJ/kg 21
53
Embodied Water, L/kg 52
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
57
Resilience: Unit (Modulus of Resilience), kJ/m3 160
88
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 17
6.4
Strength to Weight: Bending, points 17
9.6
Thermal Diffusivity, mm2/s 12
44
Thermal Shock Resistance, points 14
4.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.070
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 0.8 to 1.3
0
Copper (Cu), % 0
0 to 0.0050
Iron (Fe), % 96.8 to 98.4
0 to 0.010
Lead (Pb), % 0
0 to 1.0
Manganese (Mn), % 0.3 to 0.61
0
Molybdenum (Mo), % 0.44 to 0.65
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0
98.9 to 100