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C12600 Copper vs. S44635 Stainless Steel

C12600 copper belongs to the copper alloys classification, while S44635 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C12600 copper and the bottom bar is S44635 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 56
23
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 56
81
Shear Strength, MPa 190
450
Tensile Strength: Ultimate (UTS), MPa 270
710
Tensile Strength: Yield (Proof), MPa 69
580

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1080
1460
Melting Onset (Solidus), °C 1030
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 130
16
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 29
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 30
22
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.6
4.4
Embodied Energy, MJ/kg 41
62
Embodied Water, L/kg 310
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
150
Resilience: Unit (Modulus of Resilience), kJ/m3 21
810
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 8.2
25
Strength to Weight: Bending, points 10
23
Thermal Diffusivity, mm2/s 39
4.4
Thermal Shock Resistance, points 9.5
23

Alloy Composition

Carbon (C), % 0
0 to 0.025
Chromium (Cr), % 0
24.5 to 26
Copper (Cu), % 99.5 to 99.8
0
Iron (Fe), % 0
61.5 to 68.5
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 0
3.5 to 4.5
Niobium (Nb), % 0
0.2 to 0.8
Nitrogen (N), % 0
0 to 0.035
Phosphorus (P), % 0.2 to 0.4
0 to 0.040
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0.2 to 0.8