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EN 2.4851 Nickel vs. ACI-ASTM CA40 Steel

EN 2.4851 nickel belongs to the nickel alloys classification, while ACI-ASTM CA40 steel belongs to the iron alloys. They have a modest 27% 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 2.4851 nickel and the bottom bar is ACI-ASTM CA40 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
310
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
10
Fatigue Strength, MPa 170
460
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 650
910
Tensile Strength: Yield (Proof), MPa 230
860

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Mechanical, °C 1200
750
Melting Completion (Liquidus), °C 1360
1440
Melting Onset (Solidus), °C 1310
1500
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 11
25
Thermal Expansion, µm/m-K 14
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 49
7.5
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 8.1
2.0
Embodied Energy, MJ/kg 120
28
Embodied Water, L/kg 280
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
89
Resilience: Unit (Modulus of Resilience), kJ/m3 130
1910
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 22
33
Strength to Weight: Bending, points 20
27
Thermal Diffusivity, mm2/s 2.9
6.7
Thermal Shock Resistance, points 17
33

Alloy Composition

Aluminum (Al), % 1.0 to 1.7
0
Boron (B), % 0 to 0.0060
0
Carbon (C), % 0.030 to 0.1
0.2 to 0.4
Chromium (Cr), % 21 to 25
11.5 to 14
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 7.7 to 18
81.5 to 88.3
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 58 to 63
0 to 1.0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.040
Titanium (Ti), % 0 to 0.5
0