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SAE-AISI A7 Steel vs. C64800 Bronze

SAE-AISI A7 steel belongs to the iron alloys classification, while C64800 bronze belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A7 steel and the bottom bar is C64800 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
44
Tensile Strength: Ultimate (UTS), MPa 800 to 2150
640

Thermal Properties

Latent Heat of Fusion, J/g 260
220
Melting Completion (Liquidus), °C 1470
1090
Melting Onset (Solidus), °C 1430
1030
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 37
260
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 10
33
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 13
2.7
Embodied Energy, MJ/kg 200
43
Embodied Water, L/kg 100
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 29 to 77
20
Strength to Weight: Bending, points 25 to 48
19
Thermal Diffusivity, mm2/s 10
75
Thermal Shock Resistance, points 27 to 72
23

Alloy Composition

Carbon (C), % 2.0 to 2.9
0
Chromium (Cr), % 5.0 to 5.8
0 to 0.090
Cobalt (Co), % 0
1.0 to 3.0
Copper (Cu), % 0 to 0.25
92.4 to 98.8
Iron (Fe), % 81.4 to 87.7
0 to 1.0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 0.8
0
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
0 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.5
Silicon (Si), % 0 to 0.5
0.2 to 1.0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.5
Tungsten (W), % 0.5 to 1.5
0
Vanadium (V), % 3.9 to 5.2
0
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5