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ACI-ASTM CB7Cu-2 Steel vs. EN 2.4851 Nickel

ACI-ASTM CB7Cu-2 steel belongs to the iron alloys classification, while EN 2.4851 nickel belongs to the nickel alloys. They have a modest 34% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 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 CB7Cu-2 steel and the bottom bar is EN 2.4851 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300 to 420
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.7 to 11
34
Fatigue Strength, MPa 420 to 590
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
650
Tensile Strength: Yield (Proof), MPa 760 to 1180
230

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Melting Completion (Liquidus), °C 1430
1360
Melting Onset (Solidus), °C 1380
1310
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
11
Thermal Expansion, µm/m-K 11
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
49
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.6
8.1
Embodied Energy, MJ/kg 38
120
Embodied Water, L/kg 130
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
170
Resilience: Unit (Modulus of Resilience), kJ/m3 1510 to 3600
130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 34 to 48
22
Strength to Weight: Bending, points 28 to 35
20
Thermal Diffusivity, mm2/s 4.6
2.9
Thermal Shock Resistance, points 32 to 45
17

Alloy Composition

Aluminum (Al), % 0
1.0 to 1.7
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0 to 0.070
0.030 to 0.1
Chromium (Cr), % 14 to 15.5
21 to 25
Copper (Cu), % 2.5 to 3.2
0 to 0.5
Iron (Fe), % 73.6 to 79
7.7 to 18
Manganese (Mn), % 0 to 0.7
0 to 1.0
Nickel (Ni), % 4.5 to 5.5
58 to 63
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 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0 to 0.5