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C99300 Copper vs. S44660 Stainless Steel

C99300 copper belongs to the copper alloys classification, while S44660 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 C99300 copper and the bottom bar is S44660 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
210
Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 2.0
20
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 46
81
Tensile Strength: Ultimate (UTS), MPa 660
660
Tensile Strength: Yield (Proof), MPa 380
510

Thermal Properties

Latent Heat of Fusion, J/g 240
300
Maximum Temperature: Mechanical, °C 250
1100
Melting Completion (Liquidus), °C 1080
1460
Melting Onset (Solidus), °C 1070
1410
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 43
17
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 9.8
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 35
21
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 4.5
4.3
Embodied Energy, MJ/kg 70
61
Embodied Water, L/kg 400
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
120
Resilience: Unit (Modulus of Resilience), kJ/m3 590
640
Stiffness to Weight: Axial, points 8.3
15
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 22
24
Strength to Weight: Bending, points 20
22
Thermal Diffusivity, mm2/s 12
4.5
Thermal Shock Resistance, points 22
21

Alloy Composition

Aluminum (Al), % 10.7 to 11.5
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
25 to 28
Cobalt (Co), % 1.0 to 2.0
0
Copper (Cu), % 68.6 to 74.4
0
Iron (Fe), % 0.4 to 1.0
60.4 to 71
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 13.5 to 16.5
1.0 to 3.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.040
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.020
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0
0.2 to 1.0
Residuals, % 0 to 0.3
0