MakeItFrom.com
Menu (ESC)

CC481K Bronze vs. CC760S Brass

Both CC481K bronze and CC760S brass 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.

For each property being compared, the top bar is CC481K bronze and the bottom bar is CC760S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
51
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 4.5
22
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 350
180
Tensile Strength: Yield (Proof), MPa 180
80

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 1000
1000
Melting Onset (Solidus), °C 880
940
Specific Heat Capacity, J/kg-K 370
390
Thermal Conductivity, W/m-K 64
150
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
38
Electrical Conductivity: Equal Weight (Specific), % IACS 10
40

Otherwise Unclassified Properties

Base Metal Price, % relative 35
28
Density, g/cm3 8.7
8.6
Embodied Carbon, kg CO2/kg material 3.7
2.6
Embodied Energy, MJ/kg 60
43
Embodied Water, L/kg 390
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
33
Resilience: Unit (Modulus of Resilience), kJ/m3 150
29
Stiffness to Weight: Axial, points 6.9
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
5.8
Strength to Weight: Bending, points 13
8.2
Thermal Diffusivity, mm2/s 20
45
Thermal Shock Resistance, points 13
6.2

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.010
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0
0.050 to 0.15
Copper (Cu), % 87 to 89.5
83 to 88
Iron (Fe), % 0 to 0.1
0 to 0.15
Lead (Pb), % 0 to 0.25
0 to 0.5
Manganese (Mn), % 0 to 0.050
0 to 0.1
Nickel (Ni), % 0 to 0.1
0 to 0.1
Phosphorus (P), % 0 to 1.0
0
Silicon (Si), % 0 to 0.010
0 to 0.020
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 10 to 11.5
0 to 0.3
Zinc (Zn), % 0 to 0.5
10.7 to 17