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ASTM A369 Grade FP91 vs. ZA-27

ASTM A369 grade FP91 belongs to the iron alloys classification, while ZA-27 belongs to the zinc alloys. There are 31 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP91 and the bottom bar is ZA-27.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
100 to 120
Elastic (Young's, Tensile) Modulus, GPa 190
78
Elongation at Break, % 19
2.0 to 4.5
Fatigue Strength, MPa 320
110 to 170
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
31
Shear Strength, MPa 410
230 to 330
Tensile Strength: Ultimate (UTS), MPa 670
400 to 430
Tensile Strength: Yield (Proof), MPa 460
260 to 370

Thermal Properties

Latent Heat of Fusion, J/g 270
130
Maximum Temperature: Mechanical, °C 600
120
Melting Completion (Liquidus), °C 1460
480
Melting Onset (Solidus), °C 1420
380
Specific Heat Capacity, J/kg-K 470
530
Thermal Conductivity, W/m-K 26
130
Thermal Expansion, µm/m-K 13
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
30
Electrical Conductivity: Equal Weight (Specific), % IACS 10
53

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
11
Density, g/cm3 7.8
5.0
Embodied Carbon, kg CO2/kg material 2.6
4.2
Embodied Energy, MJ/kg 37
80
Embodied Water, L/kg 88
570

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
8.1 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 560
420 to 890
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 25
28
Strength to Weight: Axial, points 24
22 to 24
Strength to Weight: Bending, points 22
24 to 25
Thermal Diffusivity, mm2/s 6.9
47
Thermal Shock Resistance, points 18
14 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.020
25 to 28
Cadmium (Cd), % 0
0 to 0.0060
Carbon (C), % 0.080 to 0.12
0
Chromium (Cr), % 8.0 to 9.5
0
Copper (Cu), % 0
2.0 to 2.5
Iron (Fe), % 87.3 to 90.3
0 to 0.1
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.010 to 0.020
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.85 to 1.1
0
Nickel (Ni), % 0 to 0.4
0 to 0.020
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 to 0.080
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0 to 0.010
0
Vanadium (V), % 0.18 to 0.25
0
Zinc (Zn), % 0
69.3 to 73
Zirconium (Zr), % 0 to 0.010
0