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ASTM A369 Grade FP91 vs. Nickel 242

ASTM A369 grade FP91 belongs to the iron alloys classification, while nickel 242 belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 242.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 19
45
Fatigue Strength, MPa 320
300
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 75
84
Shear Strength, MPa 410
570
Tensile Strength: Ultimate (UTS), MPa 670
820
Tensile Strength: Yield (Proof), MPa 460
350

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Maximum Temperature: Mechanical, °C 600
930
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1420
1290
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 26
11
Thermal Expansion, µm/m-K 13
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
75
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 2.6
14
Embodied Energy, MJ/kg 37
180
Embodied Water, L/kg 88
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
300
Resilience: Unit (Modulus of Resilience), kJ/m3 560
280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 24
25
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 6.9
3.1
Thermal Shock Resistance, points 18
25

Alloy Composition

Aluminum (Al), % 0 to 0.020
0 to 0.5
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0.080 to 0.12
0 to 0.030
Chromium (Cr), % 8.0 to 9.5
7.0 to 9.0
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 87.3 to 90.3
0 to 2.0
Manganese (Mn), % 0.3 to 0.6
0 to 0.8
Molybdenum (Mo), % 0.85 to 1.1
24 to 26
Nickel (Ni), % 0 to 0.4
59.3 to 69
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 0.8
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0 to 0.010
0
Vanadium (V), % 0.18 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0