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C38000 Brass vs. C51000 Bronze

Both C38000 brass and C51000 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 C51000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 17
2.7 to 64
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 39
42
Shear Strength, MPa 230
250 to 460
Tensile Strength: Ultimate (UTS), MPa 380
330 to 780
Tensile Strength: Yield (Proof), MPa 120
130 to 750

Thermal Properties

Latent Heat of Fusion, J/g 170
200
Maximum Temperature: Mechanical, °C 110
190
Melting Completion (Liquidus), °C 800
1050
Melting Onset (Solidus), °C 760
960
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 110
77
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
3.1
Embodied Energy, MJ/kg 46
50
Embodied Water, L/kg 330
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
7.0 to 490
Resilience: Unit (Modulus of Resilience), kJ/m3 74
75 to 2490
Stiffness to Weight: Axial, points 7.1
7.0
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 13
10 to 25
Strength to Weight: Bending, points 14
12 to 21
Thermal Diffusivity, mm2/s 37
23
Thermal Shock Resistance, points 13
12 to 28

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Copper (Cu), % 55 to 60
92.9 to 95.5
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
4.5 to 5.8
Zinc (Zn), % 35.9 to 43.5
0 to 0.3
Residuals, % 0
0 to 0.5