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EN 2.4654 Nickel vs. ASTM A387 Grade 91 Class 2

EN 2.4654 nickel belongs to the nickel alloys classification, while ASTM A387 grade 91 class 2 belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 2.4654 nickel and the bottom bar is ASTM A387 grade 91 class 2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
20
Fatigue Strength, MPa 460
330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 770
420
Tensile Strength: Ultimate (UTS), MPa 1250
670
Tensile Strength: Yield (Proof), MPa 850
470

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Maximum Temperature: Mechanical, °C 1000
600
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 13
26
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
7.0
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 10
2.6
Embodied Energy, MJ/kg 150
37
Embodied Water, L/kg 340
88

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1810
580
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 42
24
Strength to Weight: Bending, points 31
22
Thermal Diffusivity, mm2/s 3.3
6.9
Thermal Shock Resistance, points 37
19

Alloy Composition

Aluminum (Al), % 1.2 to 1.6
0 to 0.020
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.020 to 0.1
0.080 to 0.12
Chromium (Cr), % 18 to 21
8.0 to 9.5
Cobalt (Co), % 12 to 15
0
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 2.0
87.3 to 90.3
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 3.5 to 5.0
0.85 to 1.1
Nickel (Ni), % 50.6 to 62.5
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0 to 0.015
0 to 0.020
Silicon (Si), % 0 to 0.15
0.2 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 2.8 to 3.3
0 to 0.010
Vanadium (V), % 0
0.18 to 0.25
Zirconium (Zr), % 0.020 to 0.080
0 to 0.010