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CC493K Bronze vs. SAE-AISI 4340M Steel

CC493K bronze belongs to the copper alloys classification, while SAE-AISI 4340M steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is CC493K bronze and the bottom bar is SAE-AISI 4340M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 74
710
Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 14
6.0
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 39
72
Tensile Strength: Ultimate (UTS), MPa 270
2340
Tensile Strength: Yield (Proof), MPa 140
1240

Thermal Properties

Latent Heat of Fusion, J/g 180
280
Maximum Temperature: Mechanical, °C 160
430
Melting Completion (Liquidus), °C 960
1440
Melting Onset (Solidus), °C 880
1400
Specific Heat Capacity, J/kg-K 360
480
Thermal Conductivity, W/m-K 61
38
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 12
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 32
3.9
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 3.3
1.9
Embodied Energy, MJ/kg 53
26
Embodied Water, L/kg 370
55

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
120
Resilience: Unit (Modulus of Resilience), kJ/m3 89
4120
Stiffness to Weight: Axial, points 6.5
13
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 8.6
84
Strength to Weight: Bending, points 11
51
Thermal Diffusivity, mm2/s 19
10
Thermal Shock Resistance, points 10
70

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.3
0
Carbon (C), % 0
0.38 to 0.43
Chromium (Cr), % 0
0.7 to 1.0
Copper (Cu), % 79 to 86
0
Iron (Fe), % 0 to 0.2
93.3 to 94.8
Lead (Pb), % 5.0 to 8.0
0
Manganese (Mn), % 0
0.65 to 0.9
Molybdenum (Mo), % 0
0.35 to 0.45
Nickel (Ni), % 0 to 2.0
1.7 to 2.0
Phosphorus (P), % 0 to 0.1
0 to 0.012
Silicon (Si), % 0 to 0.010
1.5 to 1.8
Sulfur (S), % 0 to 0.1
0 to 0.012
Tin (Sn), % 5.2 to 8.0
0
Vanadium (V), % 0
0.050 to 0.1
Zinc (Zn), % 2.0 to 5.0
0