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CC499K Bronze vs. CR021A Copper

Both CC499K bronze and CR021A copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 86% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is CC499K bronze and the bottom bar is CR021A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 13
15
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 41
43
Tensile Strength: Ultimate (UTS), MPa 260
230
Tensile Strength: Yield (Proof), MPa 120
140

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 1000
1090
Melting Onset (Solidus), °C 920
1040
Specific Heat Capacity, J/kg-K 370
390
Thermal Conductivity, W/m-K 73
380
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
98
Electrical Conductivity: Equal Weight (Specific), % IACS 12
99

Otherwise Unclassified Properties

Base Metal Price, % relative 32
31
Density, g/cm3 8.8
9.0
Embodied Carbon, kg CO2/kg material 3.1
2.6
Embodied Energy, MJ/kg 51
41
Embodied Water, L/kg 350
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
31
Resilience: Unit (Modulus of Resilience), kJ/m3 65
83
Stiffness to Weight: Axial, points 6.9
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 8.1
7.1
Strength to Weight: Bending, points 10
9.3
Thermal Diffusivity, mm2/s 22
110
Thermal Shock Resistance, points 9.2
8.1

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.020
0 to 0.00050
Cadmium (Cd), % 0 to 0.020
0
Chromium (Cr), % 0 to 0.020
0
Copper (Cu), % 84 to 88
99.95 to 99.998
Iron (Fe), % 0 to 0.3
0
Lead (Pb), % 0 to 3.0
0 to 0.0050
Nickel (Ni), % 0 to 0.6
0
Phosphorus (P), % 0 to 0.040
0.0020 to 0.0070
Silicon (Si), % 0 to 0.010
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 4.0 to 6.0
0
Zinc (Zn), % 4.0 to 6.0
0