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EN 2.4951 Nickel vs. ACI-ASTM CF3 Steel

EN 2.4951 nickel belongs to the nickel alloys classification, while ACI-ASTM CF3 steel belongs to the iron alloys. They have a modest 33% 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 EN 2.4951 nickel and the bottom bar is ACI-ASTM CF3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
60
Fatigue Strength, MPa 200
270
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 750
510
Tensile Strength: Yield (Proof), MPa 270
250

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Mechanical, °C 1150
960
Melting Completion (Liquidus), °C 1360
1420
Melting Onset (Solidus), °C 1310
1450
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 60
16
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 9.3
3.2
Embodied Energy, MJ/kg 130
45
Embodied Water, L/kg 280
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
250
Resilience: Unit (Modulus of Resilience), kJ/m3 190
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 25
18
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 3.1
4.3
Thermal Shock Resistance, points 23
11

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0.080 to 0.15
0 to 0.030
Chromium (Cr), % 18 to 21
17 to 21
Cobalt (Co), % 0 to 5.0
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 5.0
62.9 to 75
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 65.4 to 81.7
8.0 to 12
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.040
Titanium (Ti), % 0.2 to 0.6
0