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ASTM A369 Grade FP91 vs. Nickel 333

ASTM A369 grade FP91 belongs to the iron alloys classification, while nickel 333 belongs to the nickel alloys. They have a modest 28% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 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 A369 grade FP91 and the bottom bar is nickel 333.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 19
34
Fatigue Strength, MPa 320
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
81
Shear Strength, MPa 410
420
Tensile Strength: Ultimate (UTS), MPa 670
630
Tensile Strength: Yield (Proof), MPa 460
270

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 600
1010
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 26
11
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 10
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
55
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 2.6
8.5
Embodied Energy, MJ/kg 37
120
Embodied Water, L/kg 88
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
170
Resilience: Unit (Modulus of Resilience), kJ/m3 560
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 24
21
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 6.9
2.9
Thermal Shock Resistance, points 18
16

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Carbon (C), % 0.080 to 0.12
0 to 0.1
Chromium (Cr), % 8.0 to 9.5
24 to 27
Cobalt (Co), % 0
2.5 to 4.0
Iron (Fe), % 87.3 to 90.3
9.3 to 24.5
Manganese (Mn), % 0.3 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.85 to 1.1
2.5 to 4.0
Nickel (Ni), % 0 to 0.4
44 to 48
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.2 to 0.5
0 to 1.5
Sulfur (S), % 0 to 0.025
0 to 0.030
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0
2.5 to 4.0
Vanadium (V), % 0.18 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0