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C99400 Brass vs. SAE-AISI A4 Steel

C99400 brass belongs to the copper alloys classification, while SAE-AISI A4 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C99400 brass and the bottom bar is SAE-AISI A4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 44
73
Tensile Strength: Ultimate (UTS), MPa 460 to 550
710 to 2050

Thermal Properties

Latent Heat of Fusion, J/g 230
250
Melting Completion (Liquidus), °C 1070
1450
Melting Onset (Solidus), °C 1020
1410
Specific Heat Capacity, J/kg-K 400
470
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 17
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 30
3.9
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.8
Embodied Energy, MJ/kg 45
24
Embodied Water, L/kg 310
59

Common Calculations

Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 15 to 17
25 to 73
Strength to Weight: Bending, points 15 to 17
23 to 46
Thermal Shock Resistance, points 16 to 19
23 to 67

Alloy Composition

Aluminum (Al), % 0.5 to 2.0
0
Carbon (C), % 0
1.0 to 1.1
Chromium (Cr), % 0
0.9 to 2.2
Copper (Cu), % 83.5 to 96.5
0 to 0.25
Iron (Fe), % 1.0 to 3.0
92 to 95.5
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.5
1.8 to 2.2
Molybdenum (Mo), % 0
0.9 to 1.4
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 to 0.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0.5 to 5.0
0
Residuals, % 0 to 0.3
0