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CC751S Brass vs. SAE-AISI T4 Steel

CC751S brass belongs to the copper alloys classification, while SAE-AISI T4 steel belongs to the iron 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 CC751S brass and the bottom bar is SAE-AISI T4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
80
Tensile Strength: Ultimate (UTS), MPa 450
800 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Melting Completion (Liquidus), °C 850
1810
Melting Onset (Solidus), °C 810
1750
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 110
21
Thermal Expansion, µm/m-K 20
12

Otherwise Unclassified Properties

Base Metal Price, % relative 24
55
Density, g/cm3 8.1
9.4
Embodied Carbon, kg CO2/kg material 2.8
8.5
Embodied Energy, MJ/kg 46
130
Embodied Water, L/kg 330
120

Common Calculations

Stiffness to Weight: Axial, points 7.2
12
Stiffness to Weight: Bending, points 19
21
Strength to Weight: Axial, points 15
24 to 64
Strength to Weight: Bending, points 16
20 to 39
Thermal Diffusivity, mm2/s 35
5.4
Thermal Shock Resistance, points 15
24 to 64

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.5
0
Carbon (C), % 0
0.7 to 0.8
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
4.3 to 5.8
Copper (Cu), % 62.7 to 66
0 to 0.25
Iron (Fe), % 0.25 to 0.5
66.3 to 72.3
Lead (Pb), % 0.8 to 2.2
0
Manganese (Mn), % 0 to 0.15
0.1 to 0.4
Molybdenum (Mo), % 0
0.4 to 1.0
Nickel (Ni), % 0 to 0.8
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.65 to 1.1
0.2 to 0.4
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.8
0
Tungsten (W), % 0
17.5 to 19
Vanadium (V), % 0
0.8 to 1.2
Zinc (Zn), % 27.9 to 35.6
0