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ACI-ASTM CH20 Steel vs. N06920 Nickel

ACI-ASTM CH20 steel belongs to the iron alloys classification, while N06920 nickel belongs to the nickel alloys. They have 55% 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 CH20 steel and the bottom bar is N06920 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 38
39
Fatigue Strength, MPa 290
220
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
82
Tensile Strength: Ultimate (UTS), MPa 610
730
Tensile Strength: Yield (Proof), MPa 350
270

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1410
1500
Melting Onset (Solidus), °C 1430
1440
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 14
11
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 20
55
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 3.7
9.4
Embodied Energy, MJ/kg 53
130
Embodied Water, L/kg 180
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
230
Resilience: Unit (Modulus of Resilience), kJ/m3 300
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 22
24
Strength to Weight: Bending, points 21
21
Thermal Diffusivity, mm2/s 3.7
2.8
Thermal Shock Resistance, points 15
19

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.030
Chromium (Cr), % 22 to 26
20.5 to 23
Cobalt (Co), % 0
0 to 5.0
Iron (Fe), % 54.7 to 66
17 to 20
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
8.0 to 10
Nickel (Ni), % 12 to 15
36.9 to 53.5
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
Tungsten (W), % 0
1.0 to 3.0