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SAE-AISI O7 Steel vs. C49300 Brass

SAE-AISI O7 steel belongs to the iron alloys classification, while C49300 brass 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 O7 steel and the bottom bar is C49300 brass.

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
40
Tensile Strength: Ultimate (UTS), MPa 680 to 2110
430 to 520

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Melting Completion (Liquidus), °C 1480
880
Melting Onset (Solidus), °C 1430
840
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 41
88
Thermal Expansion, µm/m-K 12
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
15
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
17

Otherwise Unclassified Properties

Base Metal Price, % relative 6.0
26
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 2.3
3.0
Embodied Energy, MJ/kg 33
50
Embodied Water, L/kg 52
370

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 24 to 74
15 to 18
Strength to Weight: Bending, points 22 to 46
16 to 18
Thermal Diffusivity, mm2/s 11
29
Thermal Shock Resistance, points 23 to 70
14 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Antimony (Sb), % 0
0 to 0.5
Bismuth (Bi), % 0
0.5 to 2.0
Carbon (C), % 1.1 to 1.3
0
Chromium (Cr), % 0.35 to 0.85
0
Copper (Cu), % 0 to 0.25
58 to 62
Iron (Fe), % 92.9 to 97.6
0 to 0.1
Lead (Pb), % 0
0 to 0.010
Manganese (Mn), % 0 to 1.0
0 to 0.030
Molybdenum (Mo), % 0 to 0.3
0
Nickel (Ni), % 0 to 0.3
0 to 1.5
Phosphorus (P), % 0 to 0.030
0 to 0.2
Selenium (Se), % 0
0 to 0.2
Silicon (Si), % 0 to 0.6
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
1.0 to 1.8
Tungsten (W), % 1.0 to 2.0
0
Vanadium (V), % 0 to 0.4
0
Zinc (Zn), % 0
30.6 to 40.5
Residuals, % 0
0 to 0.5