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C10800 Copper vs. S20432 Stainless Steel

C10800 copper belongs to the copper alloys classification, while S20432 stainless steel belongs to the iron alloys. There are 30 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 C10800 copper and the bottom bar is S20432 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 4.0 to 50
45
Poisson's Ratio 0.34
0.28
Rockwell B Hardness 10 to 60
81
Shear Modulus, GPa 43
76
Shear Strength, MPa 150 to 200
400
Tensile Strength: Ultimate (UTS), MPa 220 to 380
580
Tensile Strength: Yield (Proof), MPa 75 to 370
230

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Maximum Temperature: Mechanical, °C 200
900
Melting Completion (Liquidus), °C 1080
1410
Melting Onset (Solidus), °C 1080
1370
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 350
15
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 92
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 92
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 31
13
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
38
Embodied Water, L/kg 310
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15 to 88
210
Resilience: Unit (Modulus of Resilience), kJ/m3 24 to 600
140
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8 to 12
21
Strength to Weight: Bending, points 9.1 to 13
20
Thermal Diffusivity, mm2/s 100
4.0
Thermal Shock Resistance, points 7.8 to 13
13

Alloy Composition

Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
17 to 18
Copper (Cu), % 99.95 to 99.995
2.0 to 3.0
Iron (Fe), % 0
66.7 to 74
Manganese (Mn), % 0
3.0 to 5.0
Nickel (Ni), % 0
4.0 to 6.0
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0.0050 to 0.012
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030