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AISI 409Cb Stainless Steel vs. S35315 Stainless Steel

Both AISI 409Cb stainless steel and S35315 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 50% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 409Cb stainless steel and the bottom bar is S35315 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 24
46
Fatigue Strength, MPa 140
280
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
78
Shear Strength, MPa 270
520
Tensile Strength: Ultimate (UTS), MPa 420
740
Tensile Strength: Yield (Proof), MPa 200
300

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Maximum Temperature: Corrosion, °C 440
450
Maximum Temperature: Mechanical, °C 710
1100
Melting Completion (Liquidus), °C 1450
1370
Melting Onset (Solidus), °C 1410
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
12
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
34
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.2
5.7
Embodied Energy, MJ/kg 31
81
Embodied Water, L/kg 94
220

Common Calculations

PREN (Pitting Resistance) 11
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
270
Resilience: Unit (Modulus of Resilience), kJ/m3 100
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 15
26
Strength to Weight: Bending, points 16
23
Thermal Diffusivity, mm2/s 6.7
3.1
Thermal Shock Resistance, points 15
17

Alloy Composition

Carbon (C), % 0 to 0.060
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.1
Chromium (Cr), % 10.5 to 11.7
24 to 26
Iron (Fe), % 84.9 to 89.5
33.6 to 40.6
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 0 to 0.5
34 to 36
Niobium (Nb), % 0 to 0.75
0
Nitrogen (N), % 0
0.12 to 0.18
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
1.2 to 2.0
Sulfur (S), % 0 to 0.040
0 to 0.030