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ACI-ASTM CK20 Steel vs. N10001 Nickel

ACI-ASTM CK20 steel belongs to the iron alloys classification, while N10001 nickel belongs to the nickel alloys. They have a modest 27% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CK20 steel and the bottom bar is N10001 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 37
45
Fatigue Strength, MPa 220
300
Poisson's Ratio 0.28
0.31
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
320
Maximum Temperature: Mechanical, °C 1100
900
Melting Completion (Liquidus), °C 1400
1620
Melting Onset (Solidus), °C 1430
1570
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 15
10

Otherwise Unclassified Properties

Base Metal Price, % relative 25
75
Density, g/cm3 7.8
9.2
Embodied Carbon, kg CO2/kg material 4.4
15
Embodied Energy, MJ/kg 62
200
Embodied Water, L/kg 190
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
290
Resilience: Unit (Modulus of Resilience), kJ/m3 170
280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 19
24
Strength to Weight: Bending, points 19
21
Thermal Shock Resistance, points 13
25

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.050
Chromium (Cr), % 23 to 27
0 to 1.0
Cobalt (Co), % 0
0 to 2.5
Iron (Fe), % 46.7 to 58
4.0 to 6.0
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
26 to 30
Nickel (Ni), % 19 to 22
58 to 69.8
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030
Vanadium (V), % 0
0.2 to 0.4