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AISI 304 Stainless Steel vs. C32000 Brass

AISI 304 stainless steel belongs to the iron alloys classification, while C32000 brass belongs to the copper alloys. There are 29 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 304 stainless steel and the bottom bar is C32000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 8.0 to 43
6.8 to 29
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
41
Shear Strength, MPa 400 to 690
180 to 280
Tensile Strength: Ultimate (UTS), MPa 580 to 1180
270 to 470
Tensile Strength: Yield (Proof), MPa 230 to 860
78 to 390

Thermal Properties

Latent Heat of Fusion, J/g 290
190
Maximum Temperature: Mechanical, °C 710
170
Melting Completion (Liquidus), °C 1450
1020
Melting Onset (Solidus), °C 1400
990
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 16
160
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
36
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
37

Otherwise Unclassified Properties

Base Metal Price, % relative 15
28
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 3.0
2.6
Embodied Energy, MJ/kg 43
42
Embodied Water, L/kg 150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 250
30 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1870
28 to 680
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 21 to 42
8.8 to 15
Strength to Weight: Bending, points 20 to 32
11 to 16
Thermal Diffusivity, mm2/s 4.2
47
Thermal Shock Resistance, points 12 to 25
9.5 to 16

Alloy Composition

Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
83.5 to 86.5
Iron (Fe), % 66.5 to 74
0 to 0.1
Lead (Pb), % 0
1.5 to 2.2
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 8.0 to 10.5
0 to 0.25
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
10.6 to 15
Residuals, % 0
0 to 0.4