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AISI 384 Stainless Steel vs. C68800 Brass

AISI 384 stainless steel belongs to the iron alloys classification, while C68800 brass belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AISI 384 stainless steel and the bottom bar is C68800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
41
Tensile Strength: Ultimate (UTS), MPa 480
570 to 890

Thermal Properties

Latent Heat of Fusion, J/g 290
190
Maximum Temperature: Mechanical, °C 910
160
Melting Completion (Liquidus), °C 1420
960
Melting Onset (Solidus), °C 1380
950
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 16
40
Thermal Expansion, µm/m-K 16
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
18
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
20

Otherwise Unclassified Properties

Base Metal Price, % relative 20
26
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 3.7
2.8
Embodied Energy, MJ/kg 52
48
Embodied Water, L/kg 150
350

Common Calculations

Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 17
19 to 30
Strength to Weight: Bending, points 17
19 to 25
Thermal Diffusivity, mm2/s 4.3
12
Thermal Shock Resistance, points 11
19 to 30

Alloy Composition

Aluminum (Al), % 0
3.0 to 3.8
Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 15 to 17
0
Cobalt (Co), % 0
0.25 to 0.55
Copper (Cu), % 0
70.8 to 75.5
Iron (Fe), % 60.9 to 68
0 to 0.2
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 17 to 19
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
21.3 to 24.1
Residuals, % 0
0 to 0.5