MakeItFrom.com
Menu (ESC)

SAE-AISI A4 Steel vs. C38500 Bronze

SAE-AISI A4 steel belongs to the iron alloys classification, while C38500 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 C38500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 73
37
Tensile Strength: Ultimate (UTS), MPa 710 to 2050
370

Thermal Properties

Latent Heat of Fusion, J/g 250
160
Melting Completion (Liquidus), °C 1450
890
Melting Onset (Solidus), °C 1410
880
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 40
120
Thermal Expansion, µm/m-K 12
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
28
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
31

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
22
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.8
2.6
Embodied Energy, MJ/kg 24
45
Embodied Water, L/kg 59
320

Common Calculations

Stiffness to Weight: Axial, points 13
7.0
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 25 to 73
13
Strength to Weight: Bending, points 23 to 46
14
Thermal Diffusivity, mm2/s 11
40
Thermal Shock Resistance, points 23 to 67
12

Alloy Composition

Carbon (C), % 1.0 to 1.1
0
Chromium (Cr), % 0.9 to 2.2
0
Copper (Cu), % 0 to 0.25
55 to 59
Iron (Fe), % 92 to 95.5
0 to 0.35
Lead (Pb), % 0
2.5 to 3.5
Manganese (Mn), % 1.8 to 2.2
0
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
36.7 to 42.5
Residuals, % 0
0 to 0.5