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C47000 Brass vs. C90200 Bronze

Both C47000 brass and C90200 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 60% of their average alloy composition in common. There are 26 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 C47000 brass and the bottom bar is C90200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 36
30
Poisson's Ratio 0.3
0.34
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 380
260
Tensile Strength: Yield (Proof), MPa 150
110

Thermal Properties

Latent Heat of Fusion, J/g 170
200
Maximum Temperature: Mechanical, °C 120
180
Melting Completion (Liquidus), °C 900
1050
Melting Onset (Solidus), °C 890
880
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 120
62
Thermal Expansion, µm/m-K 21
18

Otherwise Unclassified Properties

Base Metal Price, % relative 23
34
Density, g/cm3 8.0
8.8
Embodied Carbon, kg CO2/kg material 2.7
3.3
Embodied Energy, MJ/kg 47
53
Embodied Water, L/kg 330
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
63
Resilience: Unit (Modulus of Resilience), kJ/m3 100
55
Stiffness to Weight: Axial, points 7.2
7.0
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 13
8.3
Strength to Weight: Bending, points 15
10
Thermal Diffusivity, mm2/s 38
19
Thermal Shock Resistance, points 13
9.5

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 57 to 61
91 to 94
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0 to 0.050
0 to 0.3
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0.25 to 1.0
6.0 to 8.0
Zinc (Zn), % 37.5 to 42.8
0 to 0.5
Residuals, % 0
0 to 0.6