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AISI 446 Stainless Steel vs. C23400 Brass

AISI 446 stainless steel belongs to the iron alloys classification, while C23400 brass belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AISI 446 stainless steel and the bottom bar is C23400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.27
0.32
Rockwell B Hardness 84
52 to 91
Shear Modulus, GPa 79
42
Tensile Strength: Ultimate (UTS), MPa 570
370 to 640

Thermal Properties

Latent Heat of Fusion, J/g 290
190
Maximum Temperature: Mechanical, °C 1180
160
Melting Completion (Liquidus), °C 1510
970
Melting Onset (Solidus), °C 1430
930
Specific Heat Capacity, J/kg-K 490
390
Thermal Conductivity, W/m-K 17
120
Thermal Expansion, µm/m-K 11
19

Otherwise Unclassified Properties

Base Metal Price, % relative 12
27
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 2.4
2.6
Embodied Energy, MJ/kg 35
43
Embodied Water, L/kg 150
320

Common Calculations

Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 26
19
Strength to Weight: Axial, points 21
12 to 21
Strength to Weight: Bending, points 20
13 to 19
Thermal Diffusivity, mm2/s 4.6
36
Thermal Shock Resistance, points 19
12 to 22

Alloy Composition

Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 23 to 27
0
Copper (Cu), % 0
81 to 84
Iron (Fe), % 69.2 to 77
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 0 to 0.75
0
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
15.7 to 19
Residuals, % 0
0 to 0.2