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AISI 305 Stainless Steel vs. C27400 Brass

AISI 305 stainless steel belongs to the iron alloys classification, while C27400 brass belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AISI 305 stainless steel and the bottom bar is C27400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 580 to 710
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 290
170
Maximum Temperature: Mechanical, °C 540
120
Melting Completion (Liquidus), °C 1450
920
Melting Onset (Solidus), °C 1400
870
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 16
120
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
31

Otherwise Unclassified Properties

Base Metal Price, % relative 16
23
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.2
2.7
Embodied Energy, MJ/kg 45
45
Embodied Water, L/kg 150
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 20 to 25
13 to 23
Strength to Weight: Bending, points 20 to 23
14 to 21
Thermal Diffusivity, mm2/s 4.2
37
Thermal Shock Resistance, points 13 to 15
12 to 22

Alloy Composition

Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
61 to 64
Iron (Fe), % 65.1 to 72.5
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 10.5 to 13
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
35.6 to 39
Residuals, % 0
0 to 0.3