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ACI-ASTM CH20 Steel vs. N06255 Nickel

ACI-ASTM CH20 steel belongs to the iron alloys classification, while N06255 nickel belongs to the nickel alloys. They have 54% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CH20 steel and the bottom bar is N06255 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 38
45
Fatigue Strength, MPa 290
210
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
81
Tensile Strength: Ultimate (UTS), MPa 610
660
Tensile Strength: Yield (Proof), MPa 350
250

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Maximum Temperature: Mechanical, °C 1100
1000
Melting Completion (Liquidus), °C 1410
1470
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 480
450
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 20
55
Density, g/cm3 7.8
8.5
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
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 22
22
Strength to Weight: Bending, points 21
20
Thermal Shock Resistance, points 15
17

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.030
Chromium (Cr), % 22 to 26
23 to 26
Copper (Cu), % 0
0 to 1.2
Iron (Fe), % 54.7 to 66
6.0 to 24
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
6.0 to 9.0
Nickel (Ni), % 12 to 15
47 to 52
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030
Titanium (Ti), % 0
0 to 0.69
Tungsten (W), % 0
0 to 3.0