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ACI-ASTM CK20 Steel vs. N10003 Nickel

ACI-ASTM CK20 steel belongs to the iron alloys classification, while N10003 nickel belongs to the nickel alloys. They have a modest 31% 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 CK20 steel and the bottom bar is N10003 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 37
42
Fatigue Strength, MPa 220
260
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 78
80
Tensile Strength: Ultimate (UTS), MPa 530
780
Tensile Strength: Yield (Proof), MPa 260
320

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Maximum Temperature: Mechanical, °C 1100
930
Melting Completion (Liquidus), °C 1400
1520
Melting Onset (Solidus), °C 1430
1460
Specific Heat Capacity, J/kg-K 480
420
Thermal Conductivity, W/m-K 14
12
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 25
70
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 4.4
13
Embodied Energy, MJ/kg 62
180
Embodied Water, L/kg 190
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
260
Resilience: Unit (Modulus of Resilience), kJ/m3 170
240
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 Diffusivity, mm2/s 3.7
3.1
Thermal Shock Resistance, points 13
21

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Boron (B), % 0
0 to 0.010
Carbon (C), % 0 to 0.2
0.040 to 0.080
Chromium (Cr), % 23 to 27
6.0 to 8.0
Cobalt (Co), % 0
0 to 0.2
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 46.7 to 58
0 to 5.0
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
15 to 18
Nickel (Ni), % 19 to 22
64.8 to 79
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.020
Tungsten (W), % 0
0 to 0.5
Vanadium (V), % 0
0 to 0.5