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SAE-AISI A7 Steel vs. C66100 Bronze

SAE-AISI A7 steel belongs to the iron alloys classification, while C66100 bronze belongs to the copper alloys. There are 21 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 A7 steel and the bottom bar is C66100 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 72
43
Tensile Strength: Ultimate (UTS), MPa 800 to 2150
410 to 790

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1470
1050
Melting Onset (Solidus), °C 1430
1000
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 37
34
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 10
29
Density, g/cm3 7.7
8.7
Embodied Carbon, kg CO2/kg material 13
2.6
Embodied Energy, MJ/kg 200
42
Embodied Water, L/kg 100
300

Common Calculations

Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 29 to 77
13 to 25
Strength to Weight: Bending, points 25 to 48
14 to 22
Thermal Diffusivity, mm2/s 10
9.7
Thermal Shock Resistance, points 27 to 72
15 to 29

Alloy Composition

Carbon (C), % 2.0 to 2.9
0
Chromium (Cr), % 5.0 to 5.8
0
Copper (Cu), % 0 to 0.25
92 to 97
Iron (Fe), % 81.4 to 87.7
0 to 0.25
Lead (Pb), % 0
0.2 to 0.8
Manganese (Mn), % 0 to 0.8
0 to 1.5
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
2.8 to 3.5
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 0.5 to 1.5
0
Vanadium (V), % 3.9 to 5.2
0
Zinc (Zn), % 0
0 to 1.5
Residuals, % 0
0 to 0.5