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C82200 Copper vs. AISI 431 Stainless Steel

C82200 copper belongs to the copper alloys classification, while AISI 431 stainless steel belongs to the iron alloys. There are 28 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 C82200 copper and the bottom bar is AISI 431 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 8.0 to 20
15 to 17
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
77
Tensile Strength: Ultimate (UTS), MPa 390 to 660
890 to 1380
Tensile Strength: Yield (Proof), MPa 210 to 520
710 to 1040

Thermal Properties

Latent Heat of Fusion, J/g 220
280
Maximum Temperature: Mechanical, °C 230
850
Melting Completion (Liquidus), °C 1080
1510
Melting Onset (Solidus), °C 1040
1450
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 180
26
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 46
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 55
9.0
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 4.8
2.2
Embodied Energy, MJ/kg 74
31
Embodied Water, L/kg 310
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 66
140 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1130
1270 to 2770
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 12 to 20
32 to 50
Strength to Weight: Bending, points 13 to 19
27 to 36
Thermal Diffusivity, mm2/s 53
7.0
Thermal Shock Resistance, points 14 to 23
28 to 43

Alloy Composition

Beryllium (Be), % 0.35 to 0.8
0
Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0
15 to 17
Cobalt (Co), % 0 to 0.3
0
Copper (Cu), % 97.4 to 98.7
0
Iron (Fe), % 0
78.2 to 83.8
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 1.0 to 2.0
1.3 to 2.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.5
0