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ACI-ASTM CK20 Steel vs. N10276 Nickel

ACI-ASTM CK20 steel belongs to the iron alloys classification, while N10276 nickel belongs to the nickel alloys. They have 42% of their average alloy composition in common. 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 N10276 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 37
47
Fatigue Strength, MPa 220
280
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
320

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Maximum Temperature: Mechanical, °C 1100
960
Melting Completion (Liquidus), °C 1400
1370
Melting Onset (Solidus), °C 1430
1320
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 14
9.1
Thermal Expansion, µm/m-K 15
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
1.3

Otherwise Unclassified Properties

Base Metal Price, % relative 25
70
Density, g/cm3 7.8
9.1
Embodied Carbon, kg CO2/kg material 4.4
13
Embodied Energy, MJ/kg 62
170
Embodied Water, L/kg 190
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
300
Resilience: Unit (Modulus of Resilience), kJ/m3 170
230
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
2.4
Thermal Shock Resistance, points 13
23

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.010
Chromium (Cr), % 23 to 27
14.5 to 16.5
Cobalt (Co), % 0
0 to 2.5
Iron (Fe), % 46.7 to 58
4.0 to 7.0
Manganese (Mn), % 0 to 2.0
0 to 0.010
Molybdenum (Mo), % 0 to 0.5
15 to 17
Nickel (Ni), % 19 to 22
51 to 63.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 0.080
Sulfur (S), % 0 to 0.040
0 to 0.030
Tungsten (W), % 0
3.0 to 4.5
Vanadium (V), % 0
0 to 0.35