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C38000 Brass vs. C50100 Bronze

Both C38000 brass and C50100 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 (3, in this case) are not shown.

For each property being compared, the top bar is C38000 brass and the bottom bar is C50100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 17
40
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 39
43
Shear Strength, MPa 230
180
Tensile Strength: Ultimate (UTS), MPa 380
270
Tensile Strength: Yield (Proof), MPa 120
82

Thermal Properties

Latent Heat of Fusion, J/g 170
210
Maximum Temperature: Mechanical, °C 110
200
Melting Completion (Liquidus), °C 800
1080
Melting Onset (Solidus), °C 760
1070
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 110
230
Thermal Expansion, µm/m-K 21
17

Otherwise Unclassified Properties

Base Metal Price, % relative 22
31
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 46
42
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
82
Resilience: Unit (Modulus of Resilience), kJ/m3 74
29
Stiffness to Weight: Axial, points 7.1
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 13
8.3
Strength to Weight: Bending, points 14
10
Thermal Diffusivity, mm2/s 37
66
Thermal Shock Resistance, points 13
9.5

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Copper (Cu), % 55 to 60
98.6 to 99.49
Iron (Fe), % 0 to 0.35
0 to 0.050
Lead (Pb), % 1.5 to 2.5
0 to 0.050
Phosphorus (P), % 0
0.010 to 0.050
Tin (Sn), % 0 to 0.3
0.5 to 0.8
Zinc (Zn), % 35.9 to 43.5
0
Residuals, % 0
0 to 0.5