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ACI-ASTM CA40 Steel vs. EN 2.4608 Nickel

ACI-ASTM CA40 steel belongs to the iron alloys classification, while EN 2.4608 nickel belongs to the nickel alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. 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 2.4608 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 10
34
Fatigue Strength, MPa 460
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
81
Tensile Strength: Ultimate (UTS), MPa 910
620
Tensile Strength: Yield (Proof), MPa 860
270

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Mechanical, °C 750
1000
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1500
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 25
11
Thermal Expansion, µm/m-K 10
13

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
55
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 2.0
8.4
Embodied Energy, MJ/kg 28
120
Embodied Water, L/kg 100
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89
170
Resilience: Unit (Modulus of Resilience), kJ/m3 1910
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 33
20
Strength to Weight: Bending, points 27
19
Thermal Diffusivity, mm2/s 6.7
2.9
Thermal Shock Resistance, points 33
16

Alloy Composition

Carbon (C), % 0.2 to 0.4
0.030 to 0.080
Chromium (Cr), % 11.5 to 14
24 to 26
Cobalt (Co), % 0
2.5 to 4.0
Iron (Fe), % 81.5 to 88.3
11.4 to 23.8
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
2.5 to 4.0
Nickel (Ni), % 0 to 1.0
44 to 47
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.5
0.7 to 1.5
Sulfur (S), % 0 to 0.040
0 to 0.015
Tungsten (W), % 0
2.5 to 4.0