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SAE-AISI A4 Steel vs. C63000 Bronze

SAE-AISI A4 steel belongs to the iron alloys classification, while C63000 bronze belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A4 steel and the bottom bar is C63000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
44
Tensile Strength: Ultimate (UTS), MPa 710 to 2050
660 to 790

Thermal Properties

Latent Heat of Fusion, J/g 250
230
Melting Completion (Liquidus), °C 1450
1050
Melting Onset (Solidus), °C 1410
1040
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 40
39
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
7.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
29
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.8
3.5
Embodied Energy, MJ/kg 24
57
Embodied Water, L/kg 59
390

Common Calculations

Stiffness to Weight: Axial, points 13
7.9
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 25 to 73
22 to 26
Strength to Weight: Bending, points 23 to 46
20 to 23
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 23 to 67
23 to 27

Alloy Composition

Aluminum (Al), % 0
9.0 to 11
Carbon (C), % 1.0 to 1.1
0
Chromium (Cr), % 0.9 to 2.2
0
Copper (Cu), % 0 to 0.25
76.8 to 85
Iron (Fe), % 92 to 95.5
2.0 to 4.0
Manganese (Mn), % 1.8 to 2.2
0 to 1.5
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
4.0 to 5.5
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0 to 0.25
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.5