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M20 C26000 Brass vs. M20 C61300 Bronze

Both M20 C26000 brass and M20 C61300 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 C61300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 66
39
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 41
43
Shear Strength, MPa 240
370
Tensile Strength: Ultimate (UTS), MPa 320
550

Thermal Properties

Latent Heat of Fusion, J/g 180
220
Maximum Temperature: Mechanical, °C 140
210
Melting Completion (Liquidus), °C 950
1050
Melting Onset (Solidus), °C 920
1040
Specific Heat Capacity, J/kg-K 390
420
Thermal Conductivity, W/m-K 120
55
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
29
Density, g/cm3 8.2
8.5
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 45
49
Embodied Water, L/kg 320
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1 to 420
180
Resilience: Unit (Modulus of Resilience), kJ/m3 51 to 1490
240
Stiffness to Weight: Axial, points 7.2
7.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 11
18
Strength to Weight: Bending, points 13
18
Thermal Diffusivity, mm2/s 38
15
Thermal Shock Resistance, points 11
19

Alloy Composition

Aluminum (Al), % 0
6.0 to 7.5
Bismuth (Bi), % 0 to 0.0059
0
Copper (Cu), % 68.5 to 71.5
88 to 91.8
Iron (Fe), % 0 to 0.050
2.0 to 3.0
Lead (Pb), % 0 to 0.070
0 to 0.010
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0
0 to 0.15
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.1
Tin (Sn), % 0
0.2 to 0.5
Zinc (Zn), % 28.1 to 31.5
0 to 0.2
Residuals, % 0
0 to 0.2