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CC493K Bronze vs. CC750S Brass

Both CC493K bronze and CC750S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 71% of their average alloy composition in common.

For each property being compared, the top bar is CC493K bronze and the bottom bar is CC750S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 74
54
Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 14
13
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 39
40
Tensile Strength: Ultimate (UTS), MPa 270
200
Tensile Strength: Yield (Proof), MPa 140
80

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 960
860
Melting Onset (Solidus), °C 880
810
Specific Heat Capacity, J/kg-K 360
380
Thermal Conductivity, W/m-K 61
110
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
24
Electrical Conductivity: Equal Weight (Specific), % IACS 12
26

Otherwise Unclassified Properties

Base Metal Price, % relative 32
25
Density, g/cm3 8.9
8.2
Embodied Carbon, kg CO2/kg material 3.3
2.8
Embodied Energy, MJ/kg 53
46
Embodied Water, L/kg 370
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
22
Resilience: Unit (Modulus of Resilience), kJ/m3 89
30
Stiffness to Weight: Axial, points 6.5
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.6
6.8
Strength to Weight: Bending, points 11
9.3
Thermal Diffusivity, mm2/s 19
35
Thermal Shock Resistance, points 10
6.7

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.1
Antimony (Sb), % 0 to 0.3
0
Copper (Cu), % 79 to 86
62 to 67
Iron (Fe), % 0 to 0.2
0 to 0.8
Lead (Pb), % 5.0 to 8.0
1.0 to 3.0
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0 to 2.0
0 to 1.0
Phosphorus (P), % 0 to 0.1
0 to 0.050
Silicon (Si), % 0 to 0.010
0 to 0.050
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 5.2 to 8.0
0 to 1.5
Zinc (Zn), % 2.0 to 5.0
26.3 to 36