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CC481K Bronze vs. SAE-AISI 4320 Steel

CC481K bronze belongs to the copper alloys classification, while SAE-AISI 4320 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is CC481K bronze and the bottom bar is SAE-AISI 4320 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
160 to 240
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 4.5
21 to 29
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 350
570 to 790
Tensile Strength: Yield (Proof), MPa 180
430 to 460

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Maximum Temperature: Mechanical, °C 170
420
Melting Completion (Liquidus), °C 1000
1460
Melting Onset (Solidus), °C 880
1420
Specific Heat Capacity, J/kg-K 370
470
Thermal Conductivity, W/m-K 64
46
Thermal Expansion, µm/m-K 18
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 35
3.4
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 3.7
1.7
Embodied Energy, MJ/kg 60
22
Embodied Water, L/kg 390
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 150
480 to 560
Stiffness to Weight: Axial, points 6.9
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 11
20 to 28
Strength to Weight: Bending, points 13
19 to 24
Thermal Diffusivity, mm2/s 20
13
Thermal Shock Resistance, points 13
19 to 27

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.050
0
Carbon (C), % 0
0.17 to 0.22
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 87 to 89.5
0
Iron (Fe), % 0 to 0.1
95.8 to 97
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.050
0.45 to 0.65
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 0 to 0.1
1.7 to 2.0
Phosphorus (P), % 0 to 1.0
0 to 0.035
Silicon (Si), % 0 to 0.010
0.15 to 0.35
Sulfur (S), % 0 to 0.050
0 to 0.040
Tin (Sn), % 10 to 11.5
0
Zinc (Zn), % 0 to 0.5
0