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C19400 Copper vs. S38100 Stainless Steel

C19400 copper belongs to the copper alloys classification, while S38100 stainless steel belongs to the iron alloys. There are 29 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 C19400 copper and the bottom bar is S38100 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 2.3 to 37
45
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
76
Shear Strength, MPa 210 to 300
400
Tensile Strength: Ultimate (UTS), MPa 310 to 630
580
Tensile Strength: Yield (Proof), MPa 98 to 520
230

Thermal Properties

Latent Heat of Fusion, J/g 210
320
Maximum Temperature: Mechanical, °C 200
970
Melting Completion (Liquidus), °C 1090
1400
Melting Onset (Solidus), °C 1080
1350
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 260
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 58 to 68
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 58 to 69
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 30
20
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.8
Embodied Energy, MJ/kg 40
54
Embodied Water, L/kg 300
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5 to 220
210
Resilience: Unit (Modulus of Resilience), kJ/m3 41 to 1140
140
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 9.7 to 20
21
Strength to Weight: Bending, points 11 to 18
20
Thermal Diffusivity, mm2/s 75
4.0
Thermal Shock Resistance, points 11 to 22
13

Alloy Composition

Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 96.8 to 97.8
0
Iron (Fe), % 2.1 to 2.6
57.9 to 64
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
17.5 to 18.5
Phosphorus (P), % 0.015 to 0.15
0 to 0.030
Silicon (Si), % 0
1.5 to 2.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0.050 to 0.2
0
Residuals, % 0 to 0.2
0