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AISI 329 Stainless Steel vs. C87800 Brass

AISI 329 stainless steel belongs to the iron alloys classification, while C87800 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AISI 329 stainless steel and the bottom bar is C87800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 17
25
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 80
42
Tensile Strength: Ultimate (UTS), MPa 710
590
Tensile Strength: Yield (Proof), MPa 540
350

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1440
920
Melting Onset (Solidus), °C 1390
820
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 16
28
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 16
27
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 3.1
2.7
Embodied Energy, MJ/kg 44
44
Embodied Water, L/kg 170
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 730
540
Stiffness to Weight: Axial, points 15
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 25
20
Strength to Weight: Bending, points 23
19
Thermal Diffusivity, mm2/s 4.3
8.3
Thermal Shock Resistance, points 19
21

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 23 to 28
0
Copper (Cu), % 0
80 to 84.2
Iron (Fe), % 63.1 to 74
0 to 0.15
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 0 to 1.0
0 to 0.15
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 2.0 to 5.0
0 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 0.75
3.8 to 4.2
Sulfur (S), % 0 to 0.030
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.5