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S44625 Stainless Steel vs. C15900 Copper

S44625 stainless steel belongs to the iron alloys classification, while C15900 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S44625 stainless steel and the bottom bar is C15900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 22
6.5
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 80
43
Shear Strength, MPa 370
420
Tensile Strength: Ultimate (UTS), MPa 590
720
Tensile Strength: Yield (Proof), MPa 360
240

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1440
1080
Melting Onset (Solidus), °C 1400
1030
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 17
280
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
48
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
49

Otherwise Unclassified Properties

Base Metal Price, % relative 14
30
Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 39
45
Embodied Water, L/kg 160
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
37
Resilience: Unit (Modulus of Resilience), kJ/m3 310
260
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 21
23
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 4.6
80
Thermal Shock Resistance, points 19
26

Alloy Composition

Aluminum (Al), % 0
0.76 to 0.84
Carbon (C), % 0 to 0.010
0.27 to 0.33
Chromium (Cr), % 25 to 27.5
0
Copper (Cu), % 0 to 0.2
97.5 to 97.9
Iron (Fe), % 69.4 to 74.3
0 to 0.040
Manganese (Mn), % 0 to 0.4
0
Molybdenum (Mo), % 0.75 to 1.5
0
Nickel (Ni), % 0 to 0.5
0
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0
0.4 to 0.54
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0
0.66 to 0.74