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C15500 Copper vs. S41045 Stainless Steel

C15500 copper belongs to the copper alloys classification, while S41045 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C15500 copper and the bottom bar is S41045 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 3.0 to 37
25
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
76
Shear Strength, MPa 190 to 320
280
Tensile Strength: Ultimate (UTS), MPa 280 to 550
430
Tensile Strength: Yield (Proof), MPa 130 to 530
230

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 200
740
Melting Completion (Liquidus), °C 1080
1450
Melting Onset (Solidus), °C 1080
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 350
29
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 90
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 91
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 33
8.5
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.2
Embodied Energy, MJ/kg 42
31
Embodied Water, L/kg 360
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15 to 84
92
Resilience: Unit (Modulus of Resilience), kJ/m3 72 to 1210
140
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 8.6 to 17
16
Strength to Weight: Bending, points 11 to 17
16
Thermal Diffusivity, mm2/s 100
7.8
Thermal Shock Resistance, points 9.8 to 20
16

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
12 to 13
Copper (Cu), % 99.75 to 99.853
0
Iron (Fe), % 0
83.8 to 88
Magnesium (Mg), % 0.080 to 0.13
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.6
Nitrogen (N), % 0
0 to 0.030
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