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C82700 Copper vs. AISI 446 Stainless Steel

C82700 copper belongs to the copper alloys classification, while AISI 446 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C82700 copper and the bottom bar is AISI 446 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 1.8
23
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 46
79
Tensile Strength: Ultimate (UTS), MPa 1200
570
Tensile Strength: Yield (Proof), MPa 1020
300

Thermal Properties

Latent Heat of Fusion, J/g 240
290
Maximum Temperature: Mechanical, °C 300
1180
Melting Completion (Liquidus), °C 950
1510
Melting Onset (Solidus), °C 860
1430
Specific Heat Capacity, J/kg-K 380
490
Thermal Conductivity, W/m-K 130
17
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 21
2.3

Otherwise Unclassified Properties

Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 12
2.4
Embodied Energy, MJ/kg 180
35
Embodied Water, L/kg 310
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
110
Resilience: Unit (Modulus of Resilience), kJ/m3 4260
230
Stiffness to Weight: Axial, points 7.8
15
Stiffness to Weight: Bending, points 19
26
Strength to Weight: Axial, points 38
21
Strength to Weight: Bending, points 29
20
Thermal Diffusivity, mm2/s 39
4.6
Thermal Shock Resistance, points 41
19

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Beryllium (Be), % 2.4 to 2.6
0
Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0 to 0.090
23 to 27
Copper (Cu), % 94.6 to 96.7
0
Iron (Fe), % 0 to 0.25
69.2 to 77
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 1.0 to 1.5
0 to 0.75
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.15
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.5
0