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C38000 Brass vs. C51900 Bronze

Both C38000 brass and C51900 bronze are copper alloys. They have 58% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C38000 brass and the bottom bar is C51900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 17
14 to 29
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 39
42
Shear Strength, MPa 230
320 to 370
Tensile Strength: Ultimate (UTS), MPa 380
380 to 620
Tensile Strength: Yield (Proof), MPa 120
390 to 570

Thermal Properties

Latent Heat of Fusion, J/g 170
200
Maximum Temperature: Mechanical, °C 110
180
Melting Completion (Liquidus), °C 800
1040
Melting Onset (Solidus), °C 760
930
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 110
66
Thermal Expansion, µm/m-K 21
18

Otherwise Unclassified Properties

Base Metal Price, % relative 22
33
Density, g/cm3 8.0
8.8
Embodied Carbon, kg CO2/kg material 2.7
3.2
Embodied Energy, MJ/kg 46
51
Embodied Water, L/kg 330
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
55 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 74
680 to 1450
Stiffness to Weight: Axial, points 7.1
7.0
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 13
12 to 19
Strength to Weight: Bending, points 14
13 to 18
Thermal Diffusivity, mm2/s 37
20
Thermal Shock Resistance, points 13
14 to 22

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Copper (Cu), % 55 to 60
91.7 to 95
Iron (Fe), % 0 to 0.35
0 to 0.1
Lead (Pb), % 1.5 to 2.5
0 to 0.050
Phosphorus (P), % 0
0.030 to 0.35
Tin (Sn), % 0 to 0.3
5.0 to 7.0
Zinc (Zn), % 35.9 to 43.5
0 to 0.3
Residuals, % 0
0 to 0.5