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ACI-ASTM CN7M Steel vs. EN 2.4680 Cast Nickel

ACI-ASTM CN7M steel belongs to the iron alloys classification, while EN 2.4680 cast nickel belongs to the nickel alloys. They have 51% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN7M steel and the bottom bar is EN 2.4680 cast nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 44
9.1
Fatigue Strength, MPa 190
120
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 77
84
Tensile Strength: Ultimate (UTS), MPa 480
600
Tensile Strength: Yield (Proof), MPa 200
260

Thermal Properties

Latent Heat of Fusion, J/g 310
350
Maximum Temperature: Mechanical, °C 1100
1050
Melting Completion (Liquidus), °C 1410
1360
Melting Onset (Solidus), °C 1450
1320
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 21
14
Thermal Expansion, µm/m-K 15
15

Otherwise Unclassified Properties

Base Metal Price, % relative 32
60
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 5.6
9.1
Embodied Energy, MJ/kg 78
130
Embodied Water, L/kg 210
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
45
Resilience: Unit (Modulus of Resilience), kJ/m3 110
160
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
21
Strength to Weight: Bending, points 17
20
Thermal Diffusivity, mm2/s 5.6
3.7
Thermal Shock Resistance, points 12
14

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.1
Chromium (Cr), % 19 to 22
48 to 52
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 37.4 to 48.5
0 to 1.0
Manganese (Mn), % 0 to 1.5
0 to 0.5
Molybdenum (Mo), % 2.0 to 3.0
0 to 0.5
Nickel (Ni), % 27.5 to 30.5
42.9 to 51
Niobium (Nb), % 0
1.0 to 1.8
Nitrogen (N), % 0
0 to 0.16
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.020