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C33500 Brass vs. C51100 Bronze

Both C33500 brass and C51100 bronze are copper alloys. They have 64% of their average alloy composition in common.

For each property being compared, the top bar is C33500 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, % 3.0 to 28
2.5 to 50
Poisson's Ratio 0.31
0.34
Rockwell B Hardness 53 to 91
67 to 93
Rockwell Superficial 30T Hardness 52 to 78
33 to 79
Shear Modulus, GPa 40
42
Shear Strength, MPa 220 to 360
230 to 410
Tensile Strength: Ultimate (UTS), MPa 340 to 650
330 to 720
Tensile Strength: Yield (Proof), MPa 120 to 420
93 to 700

Thermal Properties

Latent Heat of Fusion, J/g 170
200
Maximum Temperature: Mechanical, °C 120
190
Melting Completion (Liquidus), °C 930
1060
Melting Onset (Solidus), °C 900
970
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 120
84
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
20
Electrical Conductivity: Equal Weight (Specific), % IACS 29
20

Otherwise Unclassified Properties

Base Metal Price, % relative 24
32
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 45
48
Embodied Water, L/kg 320
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0 to 160
18 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 860
38 to 2170
Stiffness to Weight: Axial, points 7.2
7.1
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 12 to 22
10 to 22
Strength to Weight: Bending, points 13 to 21
12 to 20
Thermal Diffusivity, mm2/s 37
25
Thermal Shock Resistance, points 11 to 22
12 to 26

Alloy Composition


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Copper (Cu), % 62 to 65
93.8 to 96.5
Iron (Fe), % 0 to 0.1
0 to 0.1
Lead (Pb), % 0.25 to 0.7
0 to 0.050
Phosphorus (P), % 0
0.030 to 0.35
Tin (Sn), % 0
3.5 to 4.9
Zinc (Zn), % 33.8 to 37.8
0 to 0.3
Residuals, % 0 to 0.4
0 to 0.5

Comparable Variants