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ACI-ASTM CH20 Steel vs. N08026 Nickel

ACI-ASTM CH20 steel belongs to the iron alloys classification, while N08026 nickel belongs to the nickel alloys. They have 70% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CH20 steel and the bottom bar is N08026 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 38
34
Fatigue Strength, MPa 290
200
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
80
Tensile Strength: Ultimate (UTS), MPa 610
620
Tensile Strength: Yield (Proof), MPa 350
270

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1410
1430
Melting Onset (Solidus), °C 1430
1380
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 14
12
Thermal Expansion, µm/m-K 15
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
1.7

Otherwise Unclassified Properties

Base Metal Price, % relative 20
41
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 3.7
7.2
Embodied Energy, MJ/kg 53
98
Embodied Water, L/kg 180
240

Common Calculations

PREN (Pitting Resistance) 25
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
170
Resilience: Unit (Modulus of Resilience), kJ/m3 300
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
21
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 3.7
3.2
Thermal Shock Resistance, points 15
15

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.030
Chromium (Cr), % 22 to 26
22 to 26
Copper (Cu), % 0
2.0 to 4.0
Iron (Fe), % 54.7 to 66
24.4 to 37.9
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
5.0 to 6.7
Nickel (Ni), % 12 to 15
33 to 37.2
Nitrogen (N), % 0
0.1 to 0.16
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.030