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C95520 Bronze vs. SAE-AISI 4621 Steel

C95520 bronze belongs to the copper alloys classification, while SAE-AISI 4621 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 C95520 bronze and the bottom bar is SAE-AISI 4621 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280
150
Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 2.6
27
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 44
73
Tensile Strength: Ultimate (UTS), MPa 970
500
Tensile Strength: Yield (Proof), MPa 530
360

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Maximum Temperature: Mechanical, °C 240
410
Melting Completion (Liquidus), °C 1070
1460
Melting Onset (Solidus), °C 1020
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 40
46
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 29
3.3
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 3.6
1.6
Embodied Energy, MJ/kg 58
22
Embodied Water, L/kg 390
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1210
340
Stiffness to Weight: Axial, points 8.0
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 33
18
Strength to Weight: Bending, points 27
18
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 33
15

Alloy Composition

Aluminum (Al), % 10.5 to 11.5
0
Carbon (C), % 0
0.18 to 0.23
Chromium (Cr), % 0 to 0.050
0
Cobalt (Co), % 0 to 0.2
0
Copper (Cu), % 74.5 to 81.3
0
Iron (Fe), % 4.0 to 5.5
96.1 to 97.1
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0 to 1.5
0.7 to 0.9
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 4.2 to 6.0
1.7 to 2.0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.15
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.5
0