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N07716 Nickel vs. ACI-ASTM CG8M Steel

N07716 nickel belongs to the nickel alloys classification, while ACI-ASTM CG8M steel belongs to the iron alloys. They have a modest 40% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is N07716 nickel and the bottom bar is ACI-ASTM CG8M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
45
Fatigue Strength, MPa 690
280
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 78
79
Tensile Strength: Ultimate (UTS), MPa 860
550
Tensile Strength: Yield (Proof), MPa 350
300

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Mechanical, °C 980
1020
Melting Completion (Liquidus), °C 1480
1450
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 11
16
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 75
20
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 13
4.1
Embodied Energy, MJ/kg 190
56
Embodied Water, L/kg 280
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
210
Resilience: Unit (Modulus of Resilience), kJ/m3 300
220
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 28
19
Strength to Weight: Bending, points 24
19
Thermal Diffusivity, mm2/s 2.8
4.3
Thermal Shock Resistance, points 24
12

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 19 to 22
18 to 21
Iron (Fe), % 0 to 11.3
58.8 to 70
Manganese (Mn), % 0 to 0.2
0 to 1.5
Molybdenum (Mo), % 7.0 to 9.5
3.0 to 4.0
Nickel (Ni), % 59 to 63
9.0 to 13
Niobium (Nb), % 2.8 to 4.0
0
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.040
Titanium (Ti), % 1.0 to 1.6
0