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ASTM B522 Class II vs. C82000 Copper

ASTM B522 class II belongs to the otherwise unclassified metals classification, while C82000 copper belongs to the copper alloys. There are 21 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 ASTM B522 class II and the bottom bar is C82000 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 96
120
Elongation at Break, % 1.1 to 28
8.0 to 20
Poisson's Ratio 0.41
0.34
Shear Modulus, GPa 34
45
Tensile Strength: Ultimate (UTS), MPa 280 to 490
350 to 690
Tensile Strength: Yield (Proof), MPa 120 to 210
140 to 520

Thermal Properties

Latent Heat of Fusion, J/g 77
220
Melting Completion (Liquidus), °C 1030
1090
Melting Onset (Solidus), °C 1030
970
Specific Heat Capacity, J/kg-K 160
390
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
45
Electrical Conductivity: Equal Weight (Specific), % IACS 5.7
46

Otherwise Unclassified Properties

Density, g/cm3 17
8.9

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4 to 63
51 to 55
Resilience: Unit (Modulus of Resilience), kJ/m3 75 to 230
80 to 1120
Stiffness to Weight: Axial, points 3.1
7.5
Stiffness to Weight: Bending, points 8.9
18
Strength to Weight: Axial, points 4.4 to 7.8
11 to 22
Strength to Weight: Bending, points 5.5 to 8.0
12 to 20
Thermal Shock Resistance, points 13 to 24
12 to 24

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Beryllium (Be), % 0
0.45 to 0.8
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
2.2 to 2.7
Copper (Cu), % 0
95.2 to 97.4
Gold (Au), % 68.5 to 69.5
0
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0
0 to 0.020
Nickel (Ni), % 0
0 to 0.2
Platinum (Pt), % 5.5 to 6.5
0
Silicon (Si), % 0
0 to 0.15
Silver (Ag), % 24.5 to 25.5
0
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5