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C14200 Copper vs. AISI 418 Stainless Steel

C14200 copper belongs to the copper alloys classification, while AISI 418 stainless steel belongs to the iron alloys. There are 30 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 C14200 copper and the bottom bar is AISI 418 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 8.0 to 45
17
Fatigue Strength, MPa 76 to 130
520
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
77
Shear Strength, MPa 150 to 200
680
Tensile Strength: Ultimate (UTS), MPa 220 to 370
1100
Tensile Strength: Yield (Proof), MPa 75 to 340
850

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 200
770
Melting Completion (Liquidus), °C 1080
1500
Melting Onset (Solidus), °C 1030
1460
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 190
25
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 45
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 31
15
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 2.6
2.9
Embodied Energy, MJ/kg 41
41
Embodied Water, L/kg 310
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 83
170
Resilience: Unit (Modulus of Resilience), kJ/m3 24 to 500
1830
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8 to 11
38
Strength to Weight: Bending, points 9.1 to 13
29
Thermal Diffusivity, mm2/s 56
6.7
Thermal Shock Resistance, points 7.9 to 13
40

Alloy Composition

Arsenic (As), % 0.15 to 0.5
0
Carbon (C), % 0
0.15 to 0.2
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 99.4 to 99.835
0
Iron (Fe), % 0
78.5 to 83.6
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
1.8 to 2.2
Phosphorus (P), % 0.015 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
2.5 to 3.5