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ACI-ASTM CA6NM Steel vs. Grade N12MV Nickel

ACI-ASTM CA6NM steel belongs to the iron alloys classification, while grade N12MV nickel belongs to the nickel alloys. 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 CA6NM 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, % 17
6.8
Fatigue Strength, MPa 380
130
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
84
Tensile Strength: Ultimate (UTS), MPa 850
600
Tensile Strength: Yield (Proof), MPa 620
310

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Mechanical, °C 770
900
Melting Completion (Liquidus), °C 1450
1620
Melting Onset (Solidus), °C 1400
1570
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 10
10

Otherwise Unclassified Properties

Base Metal Price, % relative 10
75
Density, g/cm3 7.8
9.2
Embodied Carbon, kg CO2/kg material 2.5
16
Embodied Energy, MJ/kg 34
200
Embodied Water, L/kg 110
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
34
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 30
18
Strength to Weight: Bending, points 26
17
Thermal Shock Resistance, points 31
19

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.12
Chromium (Cr), % 11.5 to 14
0 to 1.0
Iron (Fe), % 78.4 to 84.6
4.0 to 6.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.4 to 1.0
26 to 30
Nickel (Ni), % 3.5 to 4.5
60.2 to 69.8
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.2 to 0.6