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ACI-ASTM CB7Cu-2 Steel vs. Monel R-405

ACI-ASTM CB7Cu-2 steel belongs to the iron alloys classification, while Monel R-405 belongs to the nickel alloys. There are 28 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 CB7Cu-2 steel and the bottom bar is Monel R-405.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
160
Elongation at Break, % 5.7 to 11
9.1 to 39
Fatigue Strength, MPa 420 to 590
210 to 250
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 75
62
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
540 to 630
Tensile Strength: Yield (Proof), MPa 760 to 1180
190 to 350

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Melting Completion (Liquidus), °C 1430
1350
Melting Onset (Solidus), °C 1380
1300
Specific Heat Capacity, J/kg-K 480
430
Thermal Conductivity, W/m-K 17
23
Thermal Expansion, µm/m-K 11
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 13
50
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 2.6
7.9
Embodied Energy, MJ/kg 38
110
Embodied Water, L/kg 130
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
49 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 1510 to 3600
120 to 370
Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 34 to 48
17 to 20
Strength to Weight: Bending, points 28 to 35
17 to 18
Thermal Diffusivity, mm2/s 4.6
5.9
Thermal Shock Resistance, points 32 to 45
17 to 20

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.3
Chromium (Cr), % 14 to 15.5
0
Copper (Cu), % 2.5 to 3.2
28 to 34
Iron (Fe), % 73.6 to 79
0 to 2.5
Manganese (Mn), % 0 to 0.7
0 to 2.0
Nickel (Ni), % 4.5 to 5.5
63 to 72
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0.025 to 0.060