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ACI-ASTM CG8M Steel vs. N06058 Nickel

ACI-ASTM CG8M steel belongs to the iron alloys classification, while N06058 nickel belongs to the nickel alloys. They have a modest 35% of their average alloy composition in common, which, by itself, doesn't mean much. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CG8M steel and the bottom bar is N06058 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 45
45
Fatigue Strength, MPa 280
350
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
86
Tensile Strength: Ultimate (UTS), MPa 550
860
Tensile Strength: Yield (Proof), MPa 300
410

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Mechanical, °C 1020
980
Melting Completion (Liquidus), °C 1450
1540
Melting Onset (Solidus), °C 1400
1490
Specific Heat Capacity, J/kg-K 470
420
Thermal Conductivity, W/m-K 16
9.8
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 20
70
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 4.1
13
Embodied Energy, MJ/kg 56
170
Embodied Water, L/kg 160
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
320
Resilience: Unit (Modulus of Resilience), kJ/m3 220
370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 19
27
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 4.3
2.6
Thermal Shock Resistance, points 12
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.4
Carbon (C), % 0 to 0.080
0 to 0.010
Chromium (Cr), % 18 to 21
20 to 23
Cobalt (Co), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 58.8 to 70
0 to 1.5
Manganese (Mn), % 0 to 1.5
0 to 0.5
Molybdenum (Mo), % 3.0 to 4.0
19 to 21
Nickel (Ni), % 9.0 to 13
52.2 to 61
Nitrogen (N), % 0
0.020 to 0.15
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.5
0 to 0.1
Sulfur (S), % 0 to 0.040
0 to 0.010
Tungsten (W), % 0
0 to 0.3