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S32304 Stainless Steel vs. C38000 Brass

S32304 stainless steel belongs to the iron alloys classification, while C38000 brass belongs to the copper alloys. There are 27 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 S32304 stainless steel and the bottom bar is C38000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 28
17
Poisson's Ratio 0.27
0.31
Shear Modulus, GPa 79
39
Shear Strength, MPa 440
230
Tensile Strength: Ultimate (UTS), MPa 670
380
Tensile Strength: Yield (Proof), MPa 460
120

Thermal Properties

Latent Heat of Fusion, J/g 290
170
Maximum Temperature: Mechanical, °C 1050
110
Melting Completion (Liquidus), °C 1420
800
Melting Onset (Solidus), °C 1380
760
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 15
110
Thermal Expansion, µm/m-K 13
21

Otherwise Unclassified Properties

Base Metal Price, % relative 14
22
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 40
46
Embodied Water, L/kg 160
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
50
Resilience: Unit (Modulus of Resilience), kJ/m3 520
74
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 24
13
Strength to Weight: Bending, points 22
14
Thermal Diffusivity, mm2/s 4.0
37
Thermal Shock Resistance, points 18
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 21.5 to 24.5
0
Copper (Cu), % 0.050 to 0.6
55 to 60
Iron (Fe), % 65 to 75.4
0 to 0.35
Lead (Pb), % 0
1.5 to 2.5
Manganese (Mn), % 0 to 2.5
0
Molybdenum (Mo), % 0.050 to 0.6
0
Nickel (Ni), % 3.0 to 5.5
0
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
35.9 to 43.5
Residuals, % 0
0 to 0.5