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AISI 302B Stainless Steel vs. C24000 Brass

AISI 302B stainless steel belongs to the iron alloys classification, while C24000 brass belongs to the copper alloys. There are 25 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 302B stainless steel and the bottom bar is C24000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.28
0.32
Rockwell B Hardness 84
52 to 91
Shear Modulus, GPa 76
42
Tensile Strength: Ultimate (UTS), MPa 580
310 to 640

Thermal Properties

Latent Heat of Fusion, J/g 320
190
Maximum Temperature: Mechanical, °C 930
160
Melting Completion (Liquidus), °C 1400
1000
Melting Onset (Solidus), °C 1360
970
Specific Heat Capacity, J/kg-K 490
390
Thermal Conductivity, W/m-K 17
140
Thermal Expansion, µm/m-K 16
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
32
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
34

Otherwise Unclassified Properties

Base Metal Price, % relative 15
27
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 3.0
2.6
Embodied Energy, MJ/kg 43
43
Embodied Water, L/kg 140
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 21
10 to 21
Strength to Weight: Bending, points 20
12 to 20
Thermal Diffusivity, mm2/s 4.4
43
Thermal Shock Resistance, points 13
10 to 22

Alloy Composition

Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
78.5 to 81.5
Iron (Fe), % 65.7 to 73
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 8.0 to 10
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 2.0 to 3.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
18.2 to 21.5
Residuals, % 0
0 to 0.2