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SAE-AISI 1018 Steel vs. CC381H Copper-nickel

SAE-AISI 1018 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 (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1018 steel and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 140
91
Elastic (Young's, Tensile) Modulus, GPa 190
140
Elongation at Break, % 17 to 27
20
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
52
Tensile Strength: Ultimate (UTS), MPa 430 to 480
380
Tensile Strength: Yield (Proof), MPa 240 to 400
140

Thermal Properties

Latent Heat of Fusion, J/g 250
240
Maximum Temperature: Mechanical, °C 400
260
Melting Completion (Liquidus), °C 1460
1180
Melting Onset (Solidus), °C 1420
1120
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 52
30
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
40
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 1.4
5.0
Embodied Energy, MJ/kg 18
73
Embodied Water, L/kg 46
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75 to 100
60
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 430
68
Stiffness to Weight: Axial, points 13
8.6
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 15 to 17
12
Strength to Weight: Bending, points 16 to 17
13
Thermal Diffusivity, mm2/s 14
8.4
Thermal Shock Resistance, points 14 to 15
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0.15 to 0.2
0 to 0.030
Copper (Cu), % 0
64.5 to 69.9
Iron (Fe), % 98.8 to 99.25
0.5 to 1.5
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0.6 to 0.9
0.6 to 1.2
Nickel (Ni), % 0
29 to 31
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0
0 to 0.1
Sulfur (S), % 0 to 0.050
0 to 0.010
Zinc (Zn), % 0
0 to 0.5