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C82700 Copper vs. S44537 Stainless Steel

C82700 copper belongs to the copper alloys classification, while S44537 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C82700 copper and the bottom bar is S44537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 1.8
21
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 46
79
Tensile Strength: Ultimate (UTS), MPa 1200
510
Tensile Strength: Yield (Proof), MPa 1020
360

Thermal Properties

Latent Heat of Fusion, J/g 240
290
Maximum Temperature: Mechanical, °C 300
1000
Melting Completion (Liquidus), °C 950
1480
Melting Onset (Solidus), °C 860
1430
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 130
21
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 21
3.0

Otherwise Unclassified Properties

Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 12
3.4
Embodied Energy, MJ/kg 180
50
Embodied Water, L/kg 310
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
95
Resilience: Unit (Modulus of Resilience), kJ/m3 4260
320
Stiffness to Weight: Axial, points 7.8
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 38
18
Strength to Weight: Bending, points 29
18
Thermal Diffusivity, mm2/s 39
5.6
Thermal Shock Resistance, points 41
17

Alloy Composition

Aluminum (Al), % 0 to 0.15
0 to 0.1
Beryllium (Be), % 2.4 to 2.6
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.090
20 to 24
Copper (Cu), % 94.6 to 96.7
0 to 0.5
Iron (Fe), % 0 to 0.25
69 to 78.6
Lanthanum (La), % 0
0.040 to 0.2
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0
0 to 0.8
Nickel (Ni), % 1.0 to 1.5
0 to 0.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.040
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.15
0.1 to 0.6
Sulfur (S), % 0
0 to 0.0060
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0
0.020 to 0.2
Tungsten (W), % 0
1.0 to 3.0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.5
0