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C94800 Bronze vs. C93800 Bronze

Both C94800 bronze and C93800 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 85% of their average alloy composition in common.

For each property being compared, the top bar is C94800 bronze and the bottom bar is C93800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
96
Elongation at Break, % 22
9.7
Poisson's Ratio 0.34
0.35
Shear Modulus, GPa 43
35
Tensile Strength: Ultimate (UTS), MPa 310
200
Tensile Strength: Yield (Proof), MPa 160
120

Thermal Properties

Latent Heat of Fusion, J/g 200
170
Maximum Temperature: Mechanical, °C 190
140
Melting Completion (Liquidus), °C 1030
940
Melting Onset (Solidus), °C 900
850
Specific Heat Capacity, J/kg-K 380
340
Thermal Conductivity, W/m-K 39
52
Thermal Expansion, µm/m-K 17
19

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 34
31
Density, g/cm3 8.8
9.1
Embodied Carbon, kg CO2/kg material 3.5
3.2
Embodied Energy, MJ/kg 56
51
Embodied Water, L/kg 350
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 58
17
Resilience: Unit (Modulus of Resilience), kJ/m3 110
70
Stiffness to Weight: Axial, points 7.2
5.9
Stiffness to Weight: Bending, points 18
17
Strength to Weight: Axial, points 9.8
6.1
Strength to Weight: Bending, points 12
8.4
Thermal Diffusivity, mm2/s 12
17
Thermal Shock Resistance, points 11
8.1

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.15
0 to 0.8
Copper (Cu), % 84 to 89
75 to 79
Iron (Fe), % 0 to 0.25
0 to 0.15
Lead (Pb), % 0.3 to 1.0
13 to 16
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 4.5 to 6.0
0 to 1.0
Phosphorus (P), % 0 to 0.050
0 to 1.5
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0 to 0.050
0 to 0.080
Tin (Sn), % 4.5 to 6.0
6.3 to 7.5
Zinc (Zn), % 1.0 to 2.5
0 to 0.8
Residuals, % 0
0 to 1.0