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CC751S Brass vs. C95200 Bronze

Both CC751S brass and C95200 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 65% of their average alloy composition in common.

For each property being compared, the top bar is CC751S brass and the bottom bar is C95200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
120
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 5.6
29
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 450
520
Tensile Strength: Yield (Proof), MPa 320
190

Thermal Properties

Latent Heat of Fusion, J/g 190
230
Maximum Temperature: Mechanical, °C 130
220
Melting Completion (Liquidus), °C 850
1050
Melting Onset (Solidus), °C 810
1040
Specific Heat Capacity, J/kg-K 390
430
Thermal Conductivity, W/m-K 110
50
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
11
Electrical Conductivity: Equal Weight (Specific), % IACS 28
12

Otherwise Unclassified Properties

Base Metal Price, % relative 24
28
Density, g/cm3 8.1
8.3
Embodied Carbon, kg CO2/kg material 2.8
3.0
Embodied Energy, MJ/kg 46
50
Embodied Water, L/kg 330
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
120
Resilience: Unit (Modulus of Resilience), kJ/m3 480
170
Stiffness to Weight: Axial, points 7.2
7.6
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 15
17
Strength to Weight: Bending, points 16
17
Thermal Diffusivity, mm2/s 35
14
Thermal Shock Resistance, points 15
19

Alloy Composition

Aluminum (Al), % 0 to 0.1
8.5 to 9.5
Antimony (Sb), % 0 to 0.5
0
Copper (Cu), % 62.7 to 66
86 to 89
Iron (Fe), % 0.25 to 0.5
2.5 to 4.0
Lead (Pb), % 0.8 to 2.2
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.8
0
Silicon (Si), % 0.65 to 1.1
0
Tin (Sn), % 0 to 0.8
0
Zinc (Zn), % 27.9 to 35.6
0
Residuals, % 0
0 to 1.0