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C84200 Brass vs. C93600 Bronze

Both C84200 brass and C93600 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 90% of their average alloy composition in common.

For each property being compared, the top bar is C84200 brass and the bottom bar is C93600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
99
Elongation at Break, % 15
14
Poisson's Ratio 0.33
0.35
Shear Modulus, GPa 40
36
Tensile Strength: Ultimate (UTS), MPa 250
260
Tensile Strength: Yield (Proof), MPa 120
140

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 150
150
Melting Completion (Liquidus), °C 990
940
Melting Onset (Solidus), °C 840
840
Specific Heat Capacity, J/kg-K 370
350
Thermal Conductivity, W/m-K 72
49
Thermal Expansion, µm/m-K 19
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
11
Electrical Conductivity: Equal Weight (Specific), % IACS 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 30
31
Density, g/cm3 8.5
9.0
Embodied Carbon, kg CO2/kg material 3.1
3.2
Embodied Energy, MJ/kg 51
51
Embodied Water, L/kg 350
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
31
Resilience: Unit (Modulus of Resilience), kJ/m3 72
98
Stiffness to Weight: Axial, points 6.9
6.1
Stiffness to Weight: Bending, points 18
17
Strength to Weight: Axial, points 8.2
7.9
Strength to Weight: Bending, points 10
9.9
Thermal Diffusivity, mm2/s 23
16
Thermal Shock Resistance, points 9.1
9.8

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.25
0 to 0.55
Copper (Cu), % 78 to 82
79 to 83
Iron (Fe), % 0 to 0.4
0 to 0.2
Lead (Pb), % 2.0 to 3.0
11 to 13
Nickel (Ni), % 0 to 0.8
0 to 1.0
Phosphorus (P), % 0 to 1.5
0 to 1.5
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0 to 0.080
0 to 0.080
Tin (Sn), % 4.0 to 6.0
6.0 to 8.0
Zinc (Zn), % 10 to 16
0 to 1.0
Residuals, % 0
0 to 0.7