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AISI 384 Stainless Steel vs. CC751S Brass

AISI 384 stainless steel belongs to the iron alloys classification, while CC751S brass belongs to the copper alloys. There are 25 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 AISI 384 stainless steel and the bottom bar is CC751S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
130
Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
40
Tensile Strength: Ultimate (UTS), MPa 480
450

Thermal Properties

Latent Heat of Fusion, J/g 290
190
Maximum Temperature: Mechanical, °C 910
130
Melting Completion (Liquidus), °C 1420
850
Melting Onset (Solidus), °C 1380
810
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 16
110
Thermal Expansion, µm/m-K 16
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
25
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
28

Otherwise Unclassified Properties

Base Metal Price, % relative 20
24
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 3.7
2.8
Embodied Energy, MJ/kg 52
46
Embodied Water, L/kg 150
330

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 17
15
Strength to Weight: Bending, points 17
16
Thermal Diffusivity, mm2/s 4.3
35
Thermal Shock Resistance, points 11
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Antimony (Sb), % 0
0 to 0.5
Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 0
62.7 to 66
Iron (Fe), % 60.9 to 68
0.25 to 0.5
Lead (Pb), % 0
0.8 to 2.2
Manganese (Mn), % 0 to 2.0
0 to 0.15
Nickel (Ni), % 17 to 19
0 to 0.8
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0.65 to 1.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.8
Zinc (Zn), % 0
27.9 to 35.6