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ACI-ASTM CK20 Steel vs. EN 2.4878 Nickel

ACI-ASTM CK20 steel belongs to the iron alloys classification, while EN 2.4878 nickel belongs to the nickel alloys. They have 46% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CK20 steel and the bottom bar is EN 2.4878 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 37
13 to 17
Fatigue Strength, MPa 220
400 to 410
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
78
Tensile Strength: Ultimate (UTS), MPa 530
1210 to 1250
Tensile Strength: Yield (Proof), MPa 260
740 to 780

Thermal Properties

Latent Heat of Fusion, J/g 310
330
Maximum Temperature: Mechanical, °C 1100
1030
Melting Completion (Liquidus), °C 1400
1370
Melting Onset (Solidus), °C 1430
1320
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 14
11
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
80
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 4.4
10
Embodied Energy, MJ/kg 62
150
Embodied Water, L/kg 190
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
150 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 170
1370 to 1540
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
41 to 42
Strength to Weight: Bending, points 19
31
Thermal Diffusivity, mm2/s 3.7
2.8
Thermal Shock Resistance, points 13
37 to 39

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.6
Boron (B), % 0
0.010 to 0.015
Carbon (C), % 0 to 0.2
0.030 to 0.070
Chromium (Cr), % 23 to 27
23 to 25
Cobalt (Co), % 0
19 to 21
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 46.7 to 58
0 to 1.0
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0 to 0.5
1.0 to 2.0
Nickel (Ni), % 19 to 22
43.6 to 52.2
Niobium (Nb), % 0
0.7 to 1.2
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.0070
Tantalum (Ta), % 0
0 to 0.050
Titanium (Ti), % 0
2.8 to 3.2
Zirconium (Zr), % 0
0.030 to 0.070