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C81400 Copper vs. ASTM Grade LC9 Steel

C81400 copper belongs to the copper alloys classification, while ASTM grade LC9 steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C81400 copper and the bottom bar is ASTM grade LC9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 11
22
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 41
73
Tensile Strength: Ultimate (UTS), MPa 370
660
Tensile Strength: Yield (Proof), MPa 250
590

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Maximum Temperature: Mechanical, °C 200
430
Melting Completion (Liquidus), °C 1090
1450
Melting Onset (Solidus), °C 1070
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 61
10

Otherwise Unclassified Properties

Base Metal Price, % relative 33
8.0
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 2.8
2.3
Embodied Energy, MJ/kg 45
31
Embodied Water, L/kg 310
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
140
Resilience: Unit (Modulus of Resilience), kJ/m3 260
920
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 11
23
Strength to Weight: Bending, points 13
21
Thermal Shock Resistance, points 13
20

Alloy Composition

Beryllium (Be), % 0.020 to 0.1
0
Carbon (C), % 0
0 to 0.13
Chromium (Cr), % 0.6 to 1.0
0 to 0.5
Copper (Cu), % 98.4 to 99.38
0 to 0.3
Iron (Fe), % 0
87.4 to 91.5
Manganese (Mn), % 0
0 to 0.9
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0
8.5 to 10
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.45
Sulfur (S), % 0
0 to 0.045
Vanadium (V), % 0
0 to 0.030
Residuals, % 0 to 0.5
0