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ASTM A369 Grade FP91 vs. EN 2.4951 Nickel

ASTM A369 grade FP91 belongs to the iron alloys classification, while EN 2.4951 nickel belongs to the nickel alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, 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 2.4951 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
34
Fatigue Strength, MPa 320
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
76
Shear Strength, MPa 410
500
Tensile Strength: Ultimate (UTS), MPa 670
750
Tensile Strength: Yield (Proof), MPa 460
270

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 600
1150
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1420
1310
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 26
12
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 10
1.7

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
60
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 2.6
9.3
Embodied Energy, MJ/kg 37
130
Embodied Water, L/kg 88
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
200
Resilience: Unit (Modulus of Resilience), kJ/m3 560
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 24
25
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 6.9
3.1
Thermal Shock Resistance, points 18
23

Alloy Composition

Aluminum (Al), % 0 to 0.020
0 to 0.3
Carbon (C), % 0.080 to 0.12
0.080 to 0.15
Chromium (Cr), % 8.0 to 9.5
18 to 21
Cobalt (Co), % 0
0 to 5.0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 87.3 to 90.3
0 to 5.0
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.85 to 1.1
0
Nickel (Ni), % 0 to 0.4
65.4 to 81.7
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0.2 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0 to 0.010
0.2 to 0.6
Vanadium (V), % 0.18 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0