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C11400 Copper vs. AISI 440C Stainless Steel

C11400 copper belongs to the copper alloys classification, while AISI 440C stainless steel belongs to the iron alloys. There are 28 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 C11400 copper and the bottom bar is AISI 440C stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 2.8 to 51
2.0 to 14
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
76
Shear Strength, MPa 150 to 210
430 to 1120
Tensile Strength: Ultimate (UTS), MPa 220 to 400
710 to 1970
Tensile Strength: Yield (Proof), MPa 75 to 400
450 to 1900

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Maximum Temperature: Mechanical, °C 200
870
Melting Completion (Liquidus), °C 1080
1480
Melting Onset (Solidus), °C 1030
1370
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 390
22
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 100
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 32
9.0
Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.2
Embodied Energy, MJ/kg 42
31
Embodied Water, L/kg 350
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 90
39 to 88
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8 to 12
26 to 71
Strength to Weight: Bending, points 9.1 to 14
23 to 46
Thermal Diffusivity, mm2/s 110
6.0
Thermal Shock Resistance, points 7.8 to 14
26 to 71

Alloy Composition

Carbon (C), % 0
1.0 to 1.2
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 99.84 to 99.966
0
Iron (Fe), % 0
78 to 83.1
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0.034 to 0.060
0
Sulfur (S), % 0
0 to 0.015
Residuals, % 0 to 0.1
0