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CC494K Bronze vs. SAE-AISI 4340 Steel

CC494K 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 CC494K bronze and the bottom bar is SAE-AISI 4340 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 67
210 to 360
Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 7.6
12 to 22
Poisson's Ratio 0.35
0.29
Shear Modulus, GPa 39
73
Tensile Strength: Ultimate (UTS), MPa 210
690 to 1280
Tensile Strength: Yield (Proof), MPa 94
470 to 1150

Thermal Properties

Latent Heat of Fusion, J/g 180
250
Maximum Temperature: Mechanical, °C 160
430
Melting Completion (Liquidus), °C 970
1460
Melting Onset (Solidus), °C 890
1420
Specific Heat Capacity, J/kg-K 360
470
Thermal Conductivity, W/m-K 63
44
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 16
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 31
3.5
Density, g/cm3 9.1
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.7
Embodied Energy, MJ/kg 50
22
Embodied Water, L/kg 360
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
79 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 43
590 to 3490
Stiffness to Weight: Axial, points 6.4
13
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 6.5
24 to 45
Strength to Weight: Bending, points 8.8
22 to 33
Thermal Diffusivity, mm2/s 19
12
Thermal Shock Resistance, points 7.8
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), % 78 to 87
0
Iron (Fe), % 0 to 0.25
95.1 to 96.3
Lead (Pb), % 8.0 to 10
0
Manganese (Mn), % 0 to 0.2
0.6 to 0.8
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 0 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), % 4.0 to 6.0
0
Zinc (Zn), % 0 to 2.0
0