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ACI-ASTM CT15C Steel vs. Grade N12MV Nickel

ACI-ASTM CT15C steel belongs to the iron alloys classification, while grade N12MV nickel belongs to the nickel alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 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 CT15C steel and the bottom bar is grade N12MV nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 23
6.8
Fatigue Strength, MPa 130
130
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
84
Tensile Strength: Ultimate (UTS), MPa 500
600
Tensile Strength: Yield (Proof), MPa 190
310

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Maximum Temperature: Mechanical, °C 1080
900
Melting Completion (Liquidus), °C 1410
1620
Melting Onset (Solidus), °C 1360
1570
Specific Heat Capacity, J/kg-K 470
390
Thermal Expansion, µm/m-K 16
10

Otherwise Unclassified Properties

Base Metal Price, % relative 36
75
Density, g/cm3 8.0
9.2
Embodied Carbon, kg CO2/kg material 6.1
16
Embodied Energy, MJ/kg 88
200
Embodied Water, L/kg 190
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
34
Resilience: Unit (Modulus of Resilience), kJ/m3 93
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 17
18
Strength to Weight: Bending, points 17
17
Thermal Shock Resistance, points 12
19

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.12
Chromium (Cr), % 19 to 21
0 to 1.0
Iron (Fe), % 40.3 to 49.2
4.0 to 6.0
Manganese (Mn), % 0.15 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
26 to 30
Nickel (Ni), % 31 to 34
60.2 to 69.8
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.2 to 0.6