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ACI-ASTM CB7Cu-2 Steel vs. EN 2.4952 Nickel

ACI-ASTM CB7Cu-2 steel belongs to the iron alloys classification, while EN 2.4952 nickel belongs to the nickel alloys. They have a modest 22% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 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 2.4952 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.7 to 11
17
Fatigue Strength, MPa 420 to 590
370
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
74
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
1150
Tensile Strength: Yield (Proof), MPa 760 to 1180
670

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Melting Completion (Liquidus), °C 1430
1350
Melting Onset (Solidus), °C 1380
1300
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
12
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
55
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 2.6
9.8
Embodied Energy, MJ/kg 38
140
Embodied Water, L/kg 130
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
170
Resilience: Unit (Modulus of Resilience), kJ/m3 1510 to 3600
1180
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 34 to 48
38
Strength to Weight: Bending, points 28 to 35
29
Thermal Diffusivity, mm2/s 4.6
3.1
Thermal Shock Resistance, points 32 to 45
33

Alloy Composition

Aluminum (Al), % 0
1.0 to 1.8
Boron (B), % 0
0 to 0.0080
Carbon (C), % 0 to 0.070
0.040 to 0.1
Chromium (Cr), % 14 to 15.5
18 to 21
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 2.5 to 3.2
0 to 0.2
Iron (Fe), % 73.6 to 79
0 to 1.5
Manganese (Mn), % 0 to 0.7
0 to 1.0
Nickel (Ni), % 4.5 to 5.5
65 to 79.2
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
1.8 to 2.7