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ASTM B685 Alloy vs. C11100 Copper

ASTM B685 alloy belongs to the otherwise unclassified metals classification, while C11100 copper belongs to the copper alloys. They have 40% of their average alloy composition in common. There are 17 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is ASTM B685 alloy and the bottom bar is C11100 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Poisson's Ratio 0.37
0.34
Shear Modulus, GPa 43
44
Tensile Strength: Ultimate (UTS), MPa 660 to 1060
460

Thermal Properties

Latent Heat of Fusion, J/g 180
210
Melting Completion (Liquidus), °C 1230
1080
Melting Onset (Solidus), °C 1200
1070
Specific Heat Capacity, J/kg-K 300
390
Thermal Expansion, µm/m-K 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 5.0
100
Electrical Conductivity: Equal Weight (Specific), % IACS 4.1
100

Otherwise Unclassified Properties

Density, g/cm3 11
9.0

Common Calculations

Stiffness to Weight: Axial, points 6.1
7.2
Stiffness to Weight: Bending, points 15
18
Strength to Weight: Axial, points 17 to 27
14
Strength to Weight: Bending, points 16 to 21
15
Thermal Shock Resistance, points 28 to 46
16

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Cadmium (Cd), % 0 to 0.050
0
Copper (Cu), % 39.5 to 40.5
99.9 to 100
Iron (Fe), % 0 to 0.050
0
Lead (Pb), % 0 to 0.030
0
Palladium (Pd), % 59 to 60.5
0
Silver (Ag), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.060
0
Residuals, % 0
0 to 0.1