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C33200 Brass vs. SAE-AISI S7 Steel

C33200 brass belongs to the copper alloys classification, while SAE-AISI S7 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C33200 brass and the bottom bar is SAE-AISI S7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
74
Tensile Strength: Ultimate (UTS), MPa 320 to 520
670 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 170
260
Melting Completion (Liquidus), °C 930
1460
Melting Onset (Solidus), °C 900
1420
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 120
40
Thermal Expansion, µm/m-K 20
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 28
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 24
5.0
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 2.6
2.3
Embodied Energy, MJ/kg 44
31
Embodied Water, L/kg 320
65

Common Calculations

Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 11 to 17
24 to 72
Strength to Weight: Bending, points 13 to 17
22 to 46
Thermal Diffusivity, mm2/s 37
11
Thermal Shock Resistance, points 11 to 17
22 to 66

Alloy Composition

Carbon (C), % 0
0.45 to 0.55
Chromium (Cr), % 0
3.0 to 3.5
Copper (Cu), % 65 to 68
0 to 0.25
Iron (Fe), % 0 to 0.070
91.6 to 94.9
Lead (Pb), % 1.5 to 2.5
0
Manganese (Mn), % 0
0.2 to 0.9
Molybdenum (Mo), % 0
1.3 to 1.8
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 1.0
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.3
Zinc (Zn), % 29 to 33.5
0
Residuals, % 0 to 0.4
0