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SAE-AISI O7 Steel vs. C42200 Brass

SAE-AISI O7 steel belongs to the iron alloys classification, while C42200 brass belongs to the copper alloys. There are 23 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 O7 steel and the bottom bar is C42200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
42
Tensile Strength: Ultimate (UTS), MPa 680 to 2110
300 to 610

Thermal Properties

Latent Heat of Fusion, J/g 250
200
Melting Completion (Liquidus), °C 1480
1040
Melting Onset (Solidus), °C 1430
1020
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 41
130
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
31
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
32

Otherwise Unclassified Properties

Base Metal Price, % relative 6.0
29
Density, g/cm3 7.9
8.6
Embodied Carbon, kg CO2/kg material 2.3
2.7
Embodied Energy, MJ/kg 33
44
Embodied Water, L/kg 52
320

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
9.5 to 19
Strength to Weight: Bending, points 22 to 46
11 to 18
Thermal Diffusivity, mm2/s 11
39
Thermal Shock Resistance, points 23 to 70
10 to 21

Alloy Composition

Carbon (C), % 1.1 to 1.3
0
Chromium (Cr), % 0.35 to 0.85
0
Copper (Cu), % 0 to 0.25
86 to 89
Iron (Fe), % 92.9 to 97.6
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.3
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.35
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0.8 to 1.4
Tungsten (W), % 1.0 to 2.0
0
Vanadium (V), % 0 to 0.4
0
Zinc (Zn), % 0
8.7 to 13.2
Residuals, % 0
0 to 0.5