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ACI-ASTM CN7MS Steel vs. N10629 Nickel

ACI-ASTM CN7MS steel belongs to the iron alloys classification, while N10629 nickel belongs to the nickel alloys. They have a modest 32% 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 CN7MS steel and the bottom bar is N10629 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 39
45
Fatigue Strength, MPa 200
340
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
83
Tensile Strength: Ultimate (UTS), MPa 540
860
Tensile Strength: Yield (Proof), MPa 230
400

Thermal Properties

Latent Heat of Fusion, J/g 340
310
Maximum Temperature: Mechanical, °C 1040
910
Melting Completion (Liquidus), °C 1400
1610
Melting Onset (Solidus), °C 1350
1560
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 16
10

Otherwise Unclassified Properties

Base Metal Price, % relative 28
75
Density, g/cm3 7.9
9.2
Embodied Carbon, kg CO2/kg material 5.1
15
Embodied Energy, MJ/kg 71
190
Embodied Water, L/kg 180
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
320
Resilience: Unit (Modulus of Resilience), kJ/m3 140
360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 19
26
Strength to Weight: Bending, points 19
22
Thermal Shock Resistance, points 13
27

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.5
Carbon (C), % 0 to 0.070
0 to 0.010
Chromium (Cr), % 18 to 20
0.5 to 1.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 1.5 to 2.0
0 to 0.5
Iron (Fe), % 45.4 to 53.5
1.0 to 6.0
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 2.5 to 3.0
26 to 30
Nickel (Ni), % 22 to 25
65 to 72.4
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 2.5 to 3.5
0 to 0.050
Sulfur (S), % 0 to 0.030
0 to 0.010