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ACI-ASTM CF10SMnN Steel vs. Grade CW12MW Nickel

ACI-ASTM CF10SMnN steel belongs to the iron alloys classification, while grade CW12MW 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 (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CF10SMnN steel and the bottom bar is grade CW12MW nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 34
4.6
Fatigue Strength, MPa 260
130
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
85
Tensile Strength: Ultimate (UTS), MPa 660
560
Tensile Strength: Yield (Proof), MPa 330
310

Thermal Properties

Latent Heat of Fusion, J/g 340
320
Maximum Temperature: Mechanical, °C 900
960
Melting Completion (Liquidus), °C 1360
1610
Melting Onset (Solidus), °C 1310
1560
Specific Heat Capacity, J/kg-K 500
410
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
70
Density, g/cm3 7.5
9.1
Embodied Carbon, kg CO2/kg material 3.1
13
Embodied Energy, MJ/kg 45
180
Embodied Water, L/kg 150
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
22
Resilience: Unit (Modulus of Resilience), kJ/m3 280
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
22
Strength to Weight: Axial, points 24
17
Strength to Weight: Bending, points 22
17
Thermal Shock Resistance, points 15
16

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.12
Chromium (Cr), % 16 to 18
15.5 to 17.5
Iron (Fe), % 59.1 to 65.4
4.5 to 7.5
Manganese (Mn), % 7.0 to 9.0
0 to 1.0
Molybdenum (Mo), % 0
16 to 18
Nickel (Ni), % 8.0 to 9.0
49.2 to 60.1
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 3.5 to 4.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
3.8 to 5.3
Vanadium (V), % 0
0.2 to 0.4