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ACI-ASTM CA40 Steel vs. EN 2.4650 Nickel

ACI-ASTM CA40 steel belongs to the iron alloys classification, while EN 2.4650 nickel belongs to the nickel alloys. There are 29 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 ACI-ASTM CA40 steel and the bottom bar is EN 2.4650 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 10
34
Fatigue Strength, MPa 460
480
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 910
1090
Tensile Strength: Yield (Proof), MPa 860
650

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Mechanical, °C 750
1010
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1500
1350
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 25
12
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
80
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 2.0
10
Embodied Energy, MJ/kg 28
140
Embodied Water, L/kg 100
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89
320
Resilience: Unit (Modulus of Resilience), kJ/m3 1910
1030
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 33
36
Strength to Weight: Bending, points 27
28
Thermal Diffusivity, mm2/s 6.7
3.1
Thermal Shock Resistance, points 33
33

Alloy Composition

Aluminum (Al), % 0
0.3 to 0.6
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.2 to 0.4
0.040 to 0.080
Chromium (Cr), % 11.5 to 14
19 to 21
Cobalt (Co), % 0
19 to 21
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 81.5 to 88.3
0 to 0.7
Manganese (Mn), % 0 to 1.0
0 to 0.6
Molybdenum (Mo), % 0 to 0.5
5.6 to 6.1
Nickel (Ni), % 0 to 1.0
46.9 to 54.2
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.5
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.0070
Titanium (Ti), % 0
1.9 to 2.4