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C16500 Copper vs. S41045 Stainless Steel

C16500 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 C16500 copper and the bottom bar is S41045 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 1.5 to 53
25
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
76
Shear Strength, MPa 200 to 310
280
Tensile Strength: Ultimate (UTS), MPa 280 to 530
430
Tensile Strength: Yield (Proof), MPa 97 to 520
230

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 340
740
Melting Completion (Liquidus), °C 1070
1450
Melting Onset (Solidus), °C 1010
1400
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 250
29
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 61
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
8.5
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.6
2.2
Embodied Energy, MJ/kg 42
31
Embodied Water, L/kg 320
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.8 to 110
92
Resilience: Unit (Modulus of Resilience), kJ/m3 41 to 1160
140
Stiffness to Weight: Axial, points 7.1
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 16
16
Thermal Diffusivity, mm2/s 74
7.8
Thermal Shock Resistance, points 9.8 to 19
16

Alloy Composition

Cadmium (Cd), % 0.6 to 1.0
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
12 to 13
Copper (Cu), % 97.8 to 98.9
0
Iron (Fe), % 0 to 0.020
83.8 to 88
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
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0.5 to 0.7
0
Residuals, % 0 to 0.5
0