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SAE-AISI 9254 Steel vs. CC381H Copper-nickel

SAE-AISI 9254 steel belongs to the iron alloys classification, while CC381H copper-nickel belongs to the copper 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 SAE-AISI 9254 steel and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
91
Elastic (Young's, Tensile) Modulus, GPa 190
140
Elongation at Break, % 20
20
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
52
Tensile Strength: Ultimate (UTS), MPa 660
380
Tensile Strength: Yield (Proof), MPa 410
140

Thermal Properties

Latent Heat of Fusion, J/g 270
240
Maximum Temperature: Mechanical, °C 410
260
Melting Completion (Liquidus), °C 1440
1180
Melting Onset (Solidus), °C 1400
1120
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 46
30
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
40
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 1.5
5.0
Embodied Energy, MJ/kg 20
73
Embodied Water, L/kg 49
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
60
Resilience: Unit (Modulus of Resilience), kJ/m3 450
68
Stiffness to Weight: Axial, points 13
8.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 24
12
Strength to Weight: Bending, points 22
13
Thermal Diffusivity, mm2/s 12
8.4
Thermal Shock Resistance, points 20
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0.51 to 0.59
0 to 0.030
Chromium (Cr), % 0.6 to 0.8
0
Copper (Cu), % 0
64.5 to 69.9
Iron (Fe), % 96.1 to 97.1
0.5 to 1.5
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0.6 to 0.8
0.6 to 1.2
Nickel (Ni), % 0
29 to 31
Phosphorus (P), % 0 to 0.035
0 to 0.010
Silicon (Si), % 1.2 to 1.6
0 to 0.1
Sulfur (S), % 0 to 0.040
0 to 0.010
Zinc (Zn), % 0
0 to 0.5