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C69300 Brass vs. C95820 Bronze

Both C69300 brass and C95820 bronze are copper alloys. They have 76% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C69300 brass and the bottom bar is C95820 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 8.5 to 15
15
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
44
Tensile Strength: Ultimate (UTS), MPa 550 to 630
730
Tensile Strength: Yield (Proof), MPa 300 to 390
310

Thermal Properties

Latent Heat of Fusion, J/g 240
230
Maximum Temperature: Mechanical, °C 160
230
Melting Completion (Liquidus), °C 880
1080
Melting Onset (Solidus), °C 860
1020
Specific Heat Capacity, J/kg-K 400
440
Thermal Conductivity, W/m-K 38
38
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 26
29
Density, g/cm3 8.2
8.3
Embodied Carbon, kg CO2/kg material 2.7
3.5
Embodied Energy, MJ/kg 45
56
Embodied Water, L/kg 310
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 47 to 70
86
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 700
400
Stiffness to Weight: Axial, points 7.4
8.0
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 19 to 21
24
Strength to Weight: Bending, points 18 to 20
22
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 19 to 22
25

Alloy Composition

Aluminum (Al), % 0
9.0 to 10
Copper (Cu), % 73 to 77
77.5 to 82.5
Iron (Fe), % 0 to 0.1
4.0 to 5.0
Lead (Pb), % 0 to 0.090
0 to 0.020
Manganese (Mn), % 0 to 0.1
0 to 1.5
Nickel (Ni), % 0 to 0.1
4.5 to 5.8
Phosphorus (P), % 0.040 to 0.15
0
Silicon (Si), % 2.7 to 3.4
0 to 0.1
Tin (Sn), % 0 to 0.2
0 to 0.020
Zinc (Zn), % 18.4 to 24.3
0 to 0.2
Residuals, % 0
0 to 0.8