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SAE-AISI A8 Steel vs. C94700 Bronze

SAE-AISI A8 steel belongs to the iron alloys classification, while C94700 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 A8 steel and the bottom bar is C94700 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 74
43
Tensile Strength: Ultimate (UTS), MPa 700 to 1920
350 to 590

Thermal Properties

Latent Heat of Fusion, J/g 270
200
Melting Completion (Liquidus), °C 1480
1030
Melting Onset (Solidus), °C 1430
900
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 37
54
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
12
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
12

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
34
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 2.3
3.5
Embodied Energy, MJ/kg 31
56
Embodied Water, L/kg 73
350

Common Calculations

Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 25 to 68
11 to 19
Strength to Weight: Bending, points 22 to 44
13 to 18
Thermal Diffusivity, mm2/s 9.9
16
Thermal Shock Resistance, points 22 to 62
12 to 21

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.15
Carbon (C), % 0.5 to 0.6
0
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
85 to 90
Iron (Fe), % 88.5 to 91.9
0 to 0.25
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 0 to 0.5
0 to 0.2
Molybdenum (Mo), % 1.2 to 1.7
0
Nickel (Ni), % 0 to 0.3
4.5 to 6.0
Phosphorus (P), % 0 to 0.030
0 to 0.050
Silicon (Si), % 0.75 to 1.1
0 to 0.0050
Sulfur (S), % 0 to 0.030
0 to 0.050
Tin (Sn), % 0
4.5 to 6.0
Tungsten (W), % 1.0 to 1.5
0
Zinc (Zn), % 0
1.0 to 2.5
Residuals, % 0
0 to 1.3