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AISI 409Cb Stainless Steel vs. CC490K Brass

AISI 409Cb stainless steel belongs to the iron alloys classification, while CC490K brass belongs to the copper alloys. There are 28 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 409Cb stainless steel and the bottom bar is CC490K brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 24
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 75
40
Tensile Strength: Ultimate (UTS), MPa 420
230
Tensile Strength: Yield (Proof), MPa 200
110

Thermal Properties

Latent Heat of Fusion, J/g 270
190
Maximum Temperature: Mechanical, °C 710
160
Melting Completion (Liquidus), °C 1450
980
Melting Onset (Solidus), °C 1410
910
Specific Heat Capacity, J/kg-K 480
370
Thermal Conductivity, W/m-K 25
72
Thermal Expansion, µm/m-K 10
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
16
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
16

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
30
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 2.2
2.9
Embodied Energy, MJ/kg 31
47
Embodied Water, L/kg 94
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
28
Resilience: Unit (Modulus of Resilience), kJ/m3 100
54
Stiffness to Weight: Axial, points 14
6.8
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 15
7.3
Strength to Weight: Bending, points 16
9.5
Thermal Diffusivity, mm2/s 6.7
22
Thermal Shock Resistance, points 15
8.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.3
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 10.5 to 11.7
0
Copper (Cu), % 0
81 to 86
Iron (Fe), % 84.9 to 89.5
0 to 0.5
Lead (Pb), % 0
3.0 to 6.0
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.5
0 to 2.0
Niobium (Nb), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.045
0 to 0.050
Silicon (Si), % 0 to 1.0
0 to 0.010
Sulfur (S), % 0 to 0.040
0 to 0.1
Tin (Sn), % 0
2.0 to 3.5
Zinc (Zn), % 0
7.0 to 9.5