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M20 C26000 Brass vs. M20 C62400 Bronze

Both M20 C26000 brass and M20 C62400 bronze are copper alloys. Both are furnished in the M20 (as hot rolled) condition. They have 70% 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 M20 C26000 brass and the bottom bar is M20 C62400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 66
14
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 41
42
Shear Strength, MPa 240
430
Tensile Strength: Ultimate (UTS), MPa 320
710

Thermal Properties

Latent Heat of Fusion, J/g 180
230
Maximum Temperature: Mechanical, °C 140
220
Melting Completion (Liquidus), °C 950
1040
Melting Onset (Solidus), °C 920
1030
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 120
59
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
12
Electrical Conductivity: Equal Weight (Specific), % IACS 31
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
27
Density, g/cm3 8.2
8.2
Embodied Carbon, kg CO2/kg material 2.7
3.2
Embodied Energy, MJ/kg 45
53
Embodied Water, L/kg 320
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1 to 420
77
Resilience: Unit (Modulus of Resilience), kJ/m3 51 to 1490
320
Stiffness to Weight: Axial, points 7.2
7.6
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 11
24
Strength to Weight: Bending, points 13
21
Thermal Diffusivity, mm2/s 38
16
Thermal Shock Resistance, points 11
25

Alloy Composition

Aluminum (Al), % 0
10 to 11.5
Bismuth (Bi), % 0 to 0.0059
0
Copper (Cu), % 68.5 to 71.5
82.8 to 88
Iron (Fe), % 0 to 0.050
2.0 to 4.5
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 0.3
Silicon (Si), % 0
0 to 0.25
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 28.1 to 31.5
0
Residuals, % 0
0 to 0.5