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C99400 Brass vs. SAE-AISI T8 Steel

C99400 brass belongs to the copper alloys classification, while SAE-AISI T8 steel belongs to the iron alloys. There are 19 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 C99400 brass and the bottom bar is SAE-AISI T8 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 44
78
Tensile Strength: Ultimate (UTS), MPa 460 to 550
780 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 230
250
Melting Completion (Liquidus), °C 1070
1730
Melting Onset (Solidus), °C 1020
1670
Specific Heat Capacity, J/kg-K 400
420
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 30
45
Density, g/cm3 8.7
9.0
Embodied Carbon, kg CO2/kg material 2.8
10
Embodied Energy, MJ/kg 45
160
Embodied Water, L/kg 310
120

Common Calculations

Stiffness to Weight: Axial, points 7.5
12
Stiffness to Weight: Bending, points 19
22
Strength to Weight: Axial, points 15 to 17
24 to 66
Strength to Weight: Bending, points 15 to 17
21 to 41
Thermal Shock Resistance, points 16 to 19
24 to 66

Alloy Composition

Aluminum (Al), % 0.5 to 2.0
0
Carbon (C), % 0
0.75 to 0.85
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
4.3 to 5.8
Copper (Cu), % 83.5 to 96.5
0 to 0.25
Iron (Fe), % 1.0 to 3.0
69.3 to 75.4
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.5
0.2 to 0.4
Molybdenum (Mo), % 0
0.4 to 1.0
Nickel (Ni), % 1.0 to 3.5
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.5 to 2.0
0.2 to 0.4
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
13.3 to 14.8
Vanadium (V), % 0
1.8 to 2.4
Zinc (Zn), % 0.5 to 5.0
0
Residuals, % 0 to 0.3
0