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SAE-AISI A4 Steel vs. C83800 Bronze

SAE-AISI A4 steel belongs to the iron alloys classification, while C83800 bronze belongs to the copper alloys. There are 23 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 SAE-AISI A4 steel and the bottom bar is C83800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
39
Tensile Strength: Ultimate (UTS), MPa 710 to 2050
230

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Melting Completion (Liquidus), °C 1450
1000
Melting Onset (Solidus), °C 1410
840
Specific Heat Capacity, J/kg-K 470
370
Thermal Conductivity, W/m-K 40
72
Thermal Expansion, µm/m-K 12
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
15
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
15

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
30
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 1.8
2.9
Embodied Energy, MJ/kg 24
47
Embodied Water, L/kg 59
340

Common Calculations

Stiffness to Weight: Axial, points 13
6.6
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 25 to 73
7.4
Strength to Weight: Bending, points 23 to 46
9.6
Thermal Diffusivity, mm2/s 11
22
Thermal Shock Resistance, points 23 to 67
8.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Carbon (C), % 1.0 to 1.1
0
Chromium (Cr), % 0.9 to 2.2
0
Copper (Cu), % 0 to 0.25
82 to 83.8
Iron (Fe), % 92 to 95.5
0 to 0.3
Lead (Pb), % 0
5.0 to 7.0
Manganese (Mn), % 1.8 to 2.2
0
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 1.5
Silicon (Si), % 0 to 0.5
0 to 0.0050
Sulfur (S), % 0 to 0.030
0 to 0.080
Tin (Sn), % 0
3.3 to 4.2
Zinc (Zn), % 0
5.0 to 8.0
Residuals, % 0
0 to 0.7