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C15500 Copper vs. S45000 Stainless Steel

C15500 copper belongs to the copper alloys classification, while S45000 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C15500 copper and the bottom bar is S45000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 3.0 to 37
6.8 to 14
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
76
Shear Strength, MPa 190 to 320
590 to 830
Tensile Strength: Ultimate (UTS), MPa 280 to 550
980 to 1410
Tensile Strength: Yield (Proof), MPa 130 to 530
580 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Maximum Temperature: Mechanical, °C 200
840
Melting Completion (Liquidus), °C 1080
1440
Melting Onset (Solidus), °C 1080
1390
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 350
17
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 90
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 91
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 33
13
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 42
39
Embodied Water, L/kg 360
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15 to 84
94 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 72 to 1210
850 to 4400
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 8.6 to 17
35 to 50
Strength to Weight: Bending, points 11 to 17
28 to 36
Thermal Diffusivity, mm2/s 100
4.5
Thermal Shock Resistance, points 9.8 to 20
33 to 47

Alloy Composition

Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
14 to 16
Copper (Cu), % 99.75 to 99.853
1.3 to 1.8
Iron (Fe), % 0
72.1 to 79.3
Magnesium (Mg), % 0.080 to 0.13
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0.5 to 1.0
Nickel (Ni), % 0
5.0 to 7.0
Phosphorus (P), % 0.040 to 0.080
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0.027 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.2
0