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C81400 Copper vs. S33228 Stainless Steel

C81400 copper belongs to the copper alloys classification, while S33228 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C81400 copper and the bottom bar is S33228 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 11
34
Poisson's Ratio 0.34
0.28
Rockwell B Hardness 69
82
Shear Modulus, GPa 41
79
Tensile Strength: Ultimate (UTS), MPa 370
570
Tensile Strength: Yield (Proof), MPa 250
210

Thermal Properties

Latent Heat of Fusion, J/g 210
310
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1090
1410
Melting Onset (Solidus), °C 1070
1360
Specific Heat Capacity, J/kg-K 390
470
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 33
37
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 2.8
6.2
Embodied Energy, MJ/kg 45
89
Embodied Water, L/kg 310
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
150
Resilience: Unit (Modulus of Resilience), kJ/m3 260
110
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 11
20
Strength to Weight: Bending, points 13
19
Thermal Shock Resistance, points 13
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.025
Beryllium (Be), % 0.020 to 0.1
0
Carbon (C), % 0
0.040 to 0.080
Cerium (Ce), % 0
0.050 to 0.1
Chromium (Cr), % 0.6 to 1.0
26 to 28
Copper (Cu), % 98.4 to 99.38
0
Iron (Fe), % 0
36.5 to 42.3
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
31 to 33
Niobium (Nb), % 0
0.6 to 1.0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0
0 to 0.015
Residuals, % 0 to 0.5
0