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C19700 Copper vs. S44625 Stainless Steel

C19700 copper belongs to the copper alloys classification, while S44625 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 C19700 copper and the bottom bar is S44625 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 2.4 to 13
22
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 43
80
Shear Strength, MPa 240 to 300
370
Tensile Strength: Ultimate (UTS), MPa 400 to 530
590
Tensile Strength: Yield (Proof), MPa 330 to 520
360

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1090
1440
Melting Onset (Solidus), °C 1040
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 250
17
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 86 to 88
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 87 to 89
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 30
14
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 41
39
Embodied Water, L/kg 310
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 49
110
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1160
310
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 12 to 16
21
Strength to Weight: Bending, points 14 to 16
20
Thermal Diffusivity, mm2/s 73
4.6
Thermal Shock Resistance, points 14 to 19
19

Alloy Composition

Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0
25 to 27.5
Cobalt (Co), % 0 to 0.050
0
Copper (Cu), % 97.4 to 99.59
0 to 0.2
Iron (Fe), % 0.3 to 1.2
69.4 to 74.3
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0.010 to 0.2
0
Manganese (Mn), % 0 to 0.050
0 to 0.4
Molybdenum (Mo), % 0
0.75 to 1.5
Nickel (Ni), % 0 to 0.050
0 to 0.5
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0.1 to 0.4
0 to 0.020
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.2
0