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AISI 409Cb Stainless Steel vs. C85400 Brass

AISI 409Cb stainless steel belongs to the iron alloys classification, while C85400 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 C85400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 24
23
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 75
40
Tensile Strength: Ultimate (UTS), MPa 420
220
Tensile Strength: Yield (Proof), MPa 200
85

Thermal Properties

Latent Heat of Fusion, J/g 270
180
Maximum Temperature: Mechanical, °C 710
130
Melting Completion (Liquidus), °C 1450
940
Melting Onset (Solidus), °C 1410
940
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 25
89
Thermal Expansion, µm/m-K 10
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
20
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
22

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
25
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 2.2
2.8
Embodied Energy, MJ/kg 31
46
Embodied Water, L/kg 94
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
40
Resilience: Unit (Modulus of Resilience), kJ/m3 100
35
Stiffness to Weight: Axial, points 14
7.0
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 15
7.5
Strength to Weight: Bending, points 16
9.9
Thermal Diffusivity, mm2/s 6.7
28
Thermal Shock Resistance, points 15
7.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 10.5 to 11.7
0
Copper (Cu), % 0
65 to 70
Iron (Fe), % 84.9 to 89.5
0 to 0.7
Lead (Pb), % 0
1.5 to 3.8
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.5
0 to 1.0
Niobium (Nb), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0 to 0.050
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0.5 to 1.5
Zinc (Zn), % 0
24 to 32
Residuals, % 0
0 to 1.1