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AISI 304N Stainless Steel vs. C87400 Brass

AISI 304N stainless steel belongs to the iron alloys classification, while C87400 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 304N stainless steel and the bottom bar is C87400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 9.1 to 45
21
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
41
Tensile Strength: Ultimate (UTS), MPa 620 to 1180
390
Tensile Strength: Yield (Proof), MPa 270 to 850
160

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 960
170
Melting Completion (Liquidus), °C 1420
920
Melting Onset (Solidus), °C 1380
820
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 16
28
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 15
27
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 43
44
Embodied Water, L/kg 150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 280
65
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1830
120
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 22 to 42
13
Strength to Weight: Bending, points 21 to 32
14
Thermal Diffusivity, mm2/s 4.2
8.3
Thermal Shock Resistance, points 14 to 26
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.8
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
79 to 85.5
Iron (Fe), % 66.4 to 73.9
0
Lead (Pb), % 0
0 to 1.0
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 8.0 to 10.5
0
Nitrogen (N), % 0.1 to 0.16
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
2.5 to 4.0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.8