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C90900 Bronze vs. C95200 Bronze

Both C90900 bronze and C95200 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 88% of their average alloy composition in common.

For each property being compared, the top bar is C90900 bronze and the bottom bar is C95200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
120
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 15
29
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 280
520
Tensile Strength: Yield (Proof), MPa 140
190

Thermal Properties

Latent Heat of Fusion, J/g 190
230
Maximum Temperature: Mechanical, °C 160
220
Melting Completion (Liquidus), °C 980
1050
Melting Onset (Solidus), °C 820
1040
Specific Heat Capacity, J/kg-K 360
430
Thermal Conductivity, W/m-K 65
50
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
11
Electrical Conductivity: Equal Weight (Specific), % IACS 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
28
Density, g/cm3 8.7
8.3
Embodied Carbon, kg CO2/kg material 3.9
3.0
Embodied Energy, MJ/kg 64
50
Embodied Water, L/kg 410
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35
120
Resilience: Unit (Modulus of Resilience), kJ/m3 89
170
Stiffness to Weight: Axial, points 6.8
7.6
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.8
17
Strength to Weight: Bending, points 11
17
Thermal Diffusivity, mm2/s 21
14
Thermal Shock Resistance, points 10
19

Alloy Composition

Aluminum (Al), % 0 to 0.0050
8.5 to 9.5
Antimony (Sb), % 0 to 0.2
0
Copper (Cu), % 86 to 89
86 to 89
Iron (Fe), % 0 to 0.15
2.5 to 4.0
Lead (Pb), % 0 to 0.25
0
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 12 to 14
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0
0 to 1.0