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ACI-ASTM CB7Cu-2 Steel vs. EN 2.4654 Nickel

ACI-ASTM CB7Cu-2 steel belongs to the iron alloys classification, while EN 2.4654 nickel belongs to the nickel alloys. They have a modest 21% of their average alloy composition in common, which, by itself, doesn't mean much. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CB7Cu-2 steel and the bottom bar is EN 2.4654 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.7 to 11
17
Fatigue Strength, MPa 420 to 590
460
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
1250
Tensile Strength: Yield (Proof), MPa 760 to 1180
850

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Melting Completion (Liquidus), °C 1430
1390
Melting Onset (Solidus), °C 1380
1330
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 17
13
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 13
75
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 2.6
10
Embodied Energy, MJ/kg 38
150
Embodied Water, L/kg 130
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
190
Resilience: Unit (Modulus of Resilience), kJ/m3 1510 to 3600
1810
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 34 to 48
42
Strength to Weight: Bending, points 28 to 35
31
Thermal Diffusivity, mm2/s 4.6
3.3
Thermal Shock Resistance, points 32 to 45
37

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.6
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.070
0.020 to 0.1
Chromium (Cr), % 14 to 15.5
18 to 21
Cobalt (Co), % 0
12 to 15
Copper (Cu), % 2.5 to 3.2
0 to 0.1
Iron (Fe), % 73.6 to 79
0 to 2.0
Manganese (Mn), % 0 to 0.7
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 5.0
Nickel (Ni), % 4.5 to 5.5
50.6 to 62.5
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
2.8 to 3.3
Zirconium (Zr), % 0
0.020 to 0.080