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ASTM A369 Grade FP91 vs. EN 2.4668 Nickel

ASTM A369 grade FP91 belongs to the iron alloys classification, while EN 2.4668 nickel 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 EN 2.4668 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
14
Fatigue Strength, MPa 320
590
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
75
Shear Strength, MPa 410
840
Tensile Strength: Ultimate (UTS), MPa 670
1390
Tensile Strength: Yield (Proof), MPa 460
1160

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Mechanical, °C 600
980
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
13
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 10
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
75
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 2.6
13
Embodied Energy, MJ/kg 37
190
Embodied Water, L/kg 88
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
180
Resilience: Unit (Modulus of Resilience), kJ/m3 560
3490
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 24
46
Strength to Weight: Bending, points 22
33
Thermal Diffusivity, mm2/s 6.9
3.5
Thermal Shock Resistance, points 18
40

Alloy Composition

Aluminum (Al), % 0 to 0.020
0.3 to 0.7
Boron (B), % 0
0.0020 to 0.0060
Carbon (C), % 0.080 to 0.12
0.020 to 0.080
Chromium (Cr), % 8.0 to 9.5
17 to 21
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 87.3 to 90.3
11.2 to 24.6
Manganese (Mn), % 0.3 to 0.6
0 to 0.35
Molybdenum (Mo), % 0.85 to 1.1
2.8 to 3.3
Nickel (Ni), % 0 to 0.4
50 to 55
Niobium (Nb), % 0.060 to 0.1
4.7 to 5.5
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0.2 to 0.5
0 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0 to 0.010
0.6 to 1.2
Vanadium (V), % 0.18 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0