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C19000 Copper vs. SAE-AISI 4340M Steel

C19000 copper belongs to the copper alloys classification, while SAE-AISI 4340M steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C19000 copper and the bottom bar is SAE-AISI 4340M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 2.5 to 50
6.0
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
72
Shear Strength, MPa 170 to 390
1360
Tensile Strength: Ultimate (UTS), MPa 260 to 760
2340
Tensile Strength: Yield (Proof), MPa 140 to 630
1240

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Maximum Temperature: Mechanical, °C 200
430
Melting Completion (Liquidus), °C 1080
1440
Melting Onset (Solidus), °C 1040
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 250
38
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 61
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 31
3.9
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.9
Embodied Energy, MJ/kg 42
26
Embodied Water, L/kg 310
55

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 89 to 1730
4120
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 8.2 to 24
84
Strength to Weight: Bending, points 10 to 21
51
Thermal Diffusivity, mm2/s 73
10
Thermal Shock Resistance, points 9.3 to 27
70

Alloy Composition

Carbon (C), % 0
0.38 to 0.43
Chromium (Cr), % 0
0.7 to 1.0
Copper (Cu), % 96.9 to 99
0
Iron (Fe), % 0 to 0.1
93.3 to 94.8
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0.65 to 0.9
Molybdenum (Mo), % 0
0.35 to 0.45
Nickel (Ni), % 0.9 to 1.3
1.7 to 2.0
Phosphorus (P), % 0.15 to 0.35
0 to 0.012
Silicon (Si), % 0
1.5 to 1.8
Sulfur (S), % 0
0 to 0.012
Vanadium (V), % 0
0.050 to 0.1
Zinc (Zn), % 0 to 0.8
0
Residuals, % 0 to 0.5
0