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C94900 Bronze vs. SAE-AISI 8645 Steel

C94900 bronze belongs to the copper alloys classification, while SAE-AISI 8645 steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C94900 bronze and the bottom bar is SAE-AISI 8645 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 17
12 to 23
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 41
73
Tensile Strength: Ultimate (UTS), MPa 300
600 to 670
Tensile Strength: Yield (Proof), MPa 130
390 to 560

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 980
1460
Melting Onset (Solidus), °C 910
1420
Specific Heat Capacity, J/kg-K 370
470
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 14
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 32
2.6
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.5
Embodied Energy, MJ/kg 55
20
Embodied Water, L/kg 350
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
77 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 72
420 to 840
Stiffness to Weight: Axial, points 6.9
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 9.4
21 to 24
Strength to Weight: Bending, points 11
20 to 22
Thermal Shock Resistance, points 11
18 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Carbon (C), % 0
0.43 to 0.48
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 79 to 81
0
Iron (Fe), % 0 to 0.3
96.5 to 97.7
Lead (Pb), % 4.0 to 6.0
0
Manganese (Mn), % 0 to 0.1
0.75 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 4.0 to 6.0
0.4 to 0.7
Phosphorus (P), % 0 to 0.050
0 to 0.035
Silicon (Si), % 0 to 0.0050
0.15 to 0.35
Sulfur (S), % 0 to 0.080
0 to 0.040
Tin (Sn), % 4.0 to 6.0
0
Zinc (Zn), % 4.0 to 6.0
0
Residuals, % 0 to 0.8
0