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C19100 Copper vs. S41425 Stainless Steel

C19100 copper belongs to the copper alloys classification, while S41425 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 C19100 copper and the bottom bar is S41425 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 17 to 37
17
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
77
Shear Strength, MPa 170 to 330
570
Tensile Strength: Ultimate (UTS), MPa 250 to 630
920
Tensile Strength: Yield (Proof), MPa 75 to 550
750

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Maximum Temperature: Mechanical, °C 200
810
Melting Completion (Liquidus), °C 1080
1450
Melting Onset (Solidus), °C 1040
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 250
16
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 55
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 56
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 33
13
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 43
40
Embodied Water, L/kg 310
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60 to 99
150
Resilience: Unit (Modulus of Resilience), kJ/m3 24 to 1310
1420
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 7.7 to 20
33
Strength to Weight: Bending, points 9.9 to 18
27
Thermal Diffusivity, mm2/s 73
4.4
Thermal Shock Resistance, points 8.9 to 22
33

Alloy Composition

Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
12 to 15
Copper (Cu), % 96.5 to 98.6
0 to 0.3
Iron (Fe), % 0 to 0.2
74 to 81.9
Lead (Pb), % 0 to 0.1
0
Manganese (Mn), % 0
0.5 to 1.0
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 0.9 to 1.3
4.0 to 7.0
Nitrogen (N), % 0
0.060 to 0.12
Phosphorus (P), % 0.15 to 0.35
0 to 0.020
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.0050
Tellurium (Te), % 0.35 to 0.6
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.5
0