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CC381H Copper-nickel vs. SAE-AISI 50B50 Steel

CC381H copper-nickel belongs to the copper alloys classification, while SAE-AISI 50B50 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is CC381H copper-nickel and the bottom bar is SAE-AISI 50B50 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
180
Elastic (Young's, Tensile) Modulus, GPa 140
190
Elongation at Break, % 20
22
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 52
73
Tensile Strength: Ultimate (UTS), MPa 380
590
Tensile Strength: Yield (Proof), MPa 140
370

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Maximum Temperature: Mechanical, °C 260
410
Melting Completion (Liquidus), °C 1180
1460
Melting Onset (Solidus), °C 1120
1410
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 30
45
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 40
2.0
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 5.0
1.4
Embodied Energy, MJ/kg 73
19
Embodied Water, L/kg 280
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
110
Resilience: Unit (Modulus of Resilience), kJ/m3 68
370
Stiffness to Weight: Axial, points 8.6
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 12
21
Strength to Weight: Bending, points 13
20
Thermal Diffusivity, mm2/s 8.4
12
Thermal Shock Resistance, points 13
17

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0 to 0.030
0.48 to 0.53
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 64.5 to 69.9
0
Iron (Fe), % 0.5 to 1.5
97.4 to 98.2
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0.75 to 1.0
Nickel (Ni), % 29 to 31
0
Phosphorus (P), % 0 to 0.010
0 to 0.035
Silicon (Si), % 0 to 0.1
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.040
Zinc (Zn), % 0 to 0.5
0