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C38000 Brass vs. C51100 Bronze

Both C38000 brass and C51100 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 C51100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 17
2.5 to 50
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 39
42
Shear Strength, MPa 230
230 to 410
Tensile Strength: Ultimate (UTS), MPa 380
330 to 720
Tensile Strength: Yield (Proof), MPa 120
93 to 700

Thermal Properties

Latent Heat of Fusion, J/g 170
200
Maximum Temperature: Mechanical, °C 110
190
Melting Completion (Liquidus), °C 800
1060
Melting Onset (Solidus), °C 760
970
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 110
84
Thermal Expansion, µm/m-K 21
18

Otherwise Unclassified Properties

Base Metal Price, % relative 22
32
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 46
48
Embodied Water, L/kg 330
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
18 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 74
38 to 2170
Stiffness to Weight: Axial, points 7.1
7.1
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 13
10 to 22
Strength to Weight: Bending, points 14
12 to 20
Thermal Diffusivity, mm2/s 37
25
Thermal Shock Resistance, points 13
12 to 26

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Copper (Cu), % 55 to 60
93.8 to 96.5
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
3.5 to 4.9
Zinc (Zn), % 35.9 to 43.5
0 to 0.3
Residuals, % 0
0 to 0.5