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ASTM A369 Grade FP91 vs. Z21721 Zinc

ASTM A369 grade FP91 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 FP91 and the bottom bar is Z21721 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
87
Elongation at Break, % 19
40
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 75
35
Tensile Strength: Ultimate (UTS), MPa 670
150
Tensile Strength: Yield (Proof), MPa 460
120

Thermal Properties

Latent Heat of Fusion, J/g 270
110
Maximum Temperature: Mechanical, °C 600
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 26
110
Thermal Expansion, µm/m-K 13
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
27
Electrical Conductivity: Equal Weight (Specific), % IACS 10
37

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
11
Density, g/cm3 7.8
6.6
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 37
53
Embodied Water, L/kg 88
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
57
Resilience: Unit (Modulus of Resilience), kJ/m3 560
88
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 24
6.4
Strength to Weight: Bending, points 22
9.6
Thermal Diffusivity, mm2/s 6.9
44
Thermal Shock Resistance, points 18
4.8

Alloy Composition

Aluminum (Al), % 0 to 0.020
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.070
Carbon (C), % 0.080 to 0.12
0
Chromium (Cr), % 8.0 to 9.5
0
Copper (Cu), % 0
0 to 0.0050
Iron (Fe), % 87.3 to 90.3
0 to 0.010
Lead (Pb), % 0
0 to 1.0
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.85 to 1.1
0
Nickel (Ni), % 0 to 0.4
0
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.2 to 0.5
0
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0 to 0.010
0 to 0.020
Vanadium (V), % 0.18 to 0.25
0
Zinc (Zn), % 0
98.9 to 100
Zirconium (Zr), % 0 to 0.010
0