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SAE-AISI 4621 Steel vs. C52400 Bronze

SAE-AISI 4621 steel belongs to the iron alloys classification, while C52400 bronze belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 4621 steel and the bottom bar is C52400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
41
Tensile Strength: Ultimate (UTS), MPa 500
450 to 880

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Maximum Temperature: Mechanical, °C 410
170
Melting Completion (Liquidus), °C 1460
1000
Melting Onset (Solidus), °C 1420
840
Specific Heat Capacity, J/kg-K 470
370
Thermal Conductivity, W/m-K 46
50
Thermal Expansion, µm/m-K 13
18

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 3.3
35
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 1.6
3.6
Embodied Energy, MJ/kg 22
58
Embodied Water, L/kg 50
390

Common Calculations

Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 18
14 to 28
Strength to Weight: Bending, points 18
15 to 23
Thermal Diffusivity, mm2/s 12
15
Thermal Shock Resistance, points 15
17 to 32

Alloy Composition

Carbon (C), % 0.18 to 0.23
0
Copper (Cu), % 0
87.8 to 91
Iron (Fe), % 96.1 to 97.1
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.7 to 0.9
0
Molybdenum (Mo), % 0.2 to 0.3
0
Nickel (Ni), % 1.7 to 2.0
0
Phosphorus (P), % 0 to 0.035
0.030 to 0.35
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
9.0 to 11
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.5