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CC496K Bronze vs. SAE-AISI 4340 Steel

CC496K bronze belongs to the copper alloys classification, while SAE-AISI 4340 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 CC496K bronze and the bottom bar is SAE-AISI 4340 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 72
210 to 360
Elastic (Young's, Tensile) Modulus, GPa 97
190
Elongation at Break, % 8.6
12 to 22
Poisson's Ratio 0.35
0.29
Shear Modulus, GPa 36
73
Tensile Strength: Ultimate (UTS), MPa 210
690 to 1280
Tensile Strength: Yield (Proof), MPa 99
470 to 1150

Thermal Properties

Latent Heat of Fusion, J/g 170
250
Maximum Temperature: Mechanical, °C 140
430
Melting Completion (Liquidus), °C 900
1460
Melting Onset (Solidus), °C 820
1420
Specific Heat Capacity, J/kg-K 340
470
Thermal Conductivity, W/m-K 52
44
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 31
3.5
Density, g/cm3 9.2
7.8
Embodied Carbon, kg CO2/kg material 3.3
1.7
Embodied Energy, MJ/kg 52
22
Embodied Water, L/kg 380
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15
79 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 50
590 to 3490
Stiffness to Weight: Axial, points 5.9
13
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 6.5
24 to 45
Strength to Weight: Bending, points 8.6
22 to 33
Thermal Diffusivity, mm2/s 17
12
Thermal Shock Resistance, points 8.1
20 to 38

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.5
0
Carbon (C), % 0
0.38 to 0.43
Chromium (Cr), % 0
0.7 to 0.9
Copper (Cu), % 72 to 79.5
0
Iron (Fe), % 0 to 0.25
95.1 to 96.3
Lead (Pb), % 13 to 17
0
Manganese (Mn), % 0 to 0.2
0.6 to 0.8
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 0.5 to 2.0
1.7 to 2.0
Phosphorus (P), % 0 to 0.1
0 to 0.035
Silicon (Si), % 0 to 0.010
0.15 to 0.35
Sulfur (S), % 0 to 0.1
0 to 0.040
Tin (Sn), % 6.0 to 8.0
0
Zinc (Zn), % 0 to 2.0
0