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ACI-ASTM CB7Cu-2 Steel vs. EN 2.4951 Nickel

ACI-ASTM CB7Cu-2 steel belongs to the iron alloys classification, while EN 2.4951 nickel belongs to the nickel alloys. They have a modest 23% 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 2.4951 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300 to 420
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.7 to 11
34
Fatigue Strength, MPa 420 to 590
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
750
Tensile Strength: Yield (Proof), MPa 760 to 1180
270

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
460
Thermal Conductivity, W/m-K 17
12
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
1.7

Otherwise Unclassified Properties

Base Metal Price, % relative 13
60
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 2.6
9.3
Embodied Energy, MJ/kg 38
130
Embodied Water, L/kg 130
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
200
Resilience: Unit (Modulus of Resilience), kJ/m3 1510 to 3600
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 34 to 48
25
Strength to Weight: Bending, points 28 to 35
22
Thermal Diffusivity, mm2/s 4.6
3.1
Thermal Shock Resistance, points 32 to 45
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0 to 0.070
0.080 to 0.15
Chromium (Cr), % 14 to 15.5
18 to 21
Cobalt (Co), % 0
0 to 5.0
Copper (Cu), % 2.5 to 3.2
0 to 0.5
Iron (Fe), % 73.6 to 79
0 to 5.0
Manganese (Mn), % 0 to 0.7
0 to 1.0
Nickel (Ni), % 4.5 to 5.5
65.4 to 81.7
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
0.2 to 0.6