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C64800 Bronze vs. ASTM B522 Class II

C64800 bronze belongs to the copper alloys classification, while ASTM B522 class II belongs to the otherwise unclassified metals. There are 22 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 C64800 bronze and the bottom bar is ASTM B522 class II.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
96
Elongation at Break, % 8.0
1.1 to 28
Poisson's Ratio 0.34
0.41
Shear Modulus, GPa 44
34
Shear Strength, MPa 380
180 to 280
Tensile Strength: Ultimate (UTS), MPa 640
280 to 490
Tensile Strength: Yield (Proof), MPa 630
120 to 210

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 65
11
Electrical Conductivity: Equal Weight (Specific), % IACS 66
5.7

Otherwise Unclassified Properties

Density, g/cm3 8.9
17

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51
4.4 to 63
Resilience: Unit (Modulus of Resilience), kJ/m3 1680
75 to 230
Stiffness to Weight: Axial, points 7.4
3.1
Stiffness to Weight: Bending, points 18
8.9
Strength to Weight: Axial, points 20
4.4 to 7.8
Strength to Weight: Bending, points 19
5.5 to 8.0
Thermal Shock Resistance, points 23
13 to 24

Alloy Composition

Chromium (Cr), % 0 to 0.090
0
Cobalt (Co), % 1.0 to 3.0
0
Copper (Cu), % 92.4 to 98.8
0
Gold (Au), % 0
68.5 to 69.5
Iron (Fe), % 0 to 1.0
0
Lead (Pb), % 0 to 0.050
0
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.5
0
Platinum (Pt), % 0
5.5 to 6.5
Silicon (Si), % 0.2 to 1.0
0
Silver (Ag), % 0
24.5 to 25.5
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0
0 to 0.26