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ACI-ASTM CK20 Steel vs. Nickel 59

ACI-ASTM CK20 steel belongs to the iron alloys classification, while nickel 59 belongs to the nickel alloys. They have 45% 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 nickel 59.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 37
50
Fatigue Strength, MPa 220
320
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
84
Tensile Strength: Ultimate (UTS), MPa 530
780
Tensile Strength: Yield (Proof), MPa 260
350

Thermal Properties

Latent Heat of Fusion, J/g 310
330
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1400
1500
Melting Onset (Solidus), °C 1430
1450
Specific Heat Capacity, J/kg-K 480
430
Thermal Conductivity, W/m-K 14
10
Thermal Expansion, µm/m-K 15
17

Otherwise Unclassified Properties

Base Metal Price, % relative 25
65
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 4.4
12
Embodied Energy, MJ/kg 62
160
Embodied Water, L/kg 190
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
320
Resilience: Unit (Modulus of Resilience), kJ/m3 170
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 19
25
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 3.7
2.7
Thermal Shock Resistance, points 13
15

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.4
Carbon (C), % 0 to 0.2
0 to 0.010
Chromium (Cr), % 23 to 27
22 to 24
Cobalt (Co), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 46.7 to 58
0 to 1.5
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0 to 0.5
15 to 16.5
Nickel (Ni), % 19 to 22
56.2 to 62.9
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 2.0
0 to 0.1
Sulfur (S), % 0 to 0.040
0 to 0.010