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AISI 409 Stainless Steel vs. S31060 Stainless Steel

Both AISI 409 stainless steel and S31060 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 77% 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 409 stainless steel and the bottom bar is S31060 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
290
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
78
Shear Strength, MPa 270
480
Tensile Strength: Ultimate (UTS), MPa 420
680
Tensile Strength: Yield (Proof), MPa 200
310

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 450
440
Maximum Temperature: Mechanical, °C 710
1080
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
18
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
3.4
Embodied Energy, MJ/kg 28
48
Embodied Water, L/kg 94
170

Common Calculations

PREN (Pitting Resistance) 11
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
260
Resilience: Unit (Modulus of Resilience), kJ/m3 100
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 15
24
Strength to Weight: Bending, points 16
22
Thermal Diffusivity, mm2/s 6.7
4.0
Thermal Shock Resistance, points 15
15

Alloy Composition

Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0 to 0.080
0.050 to 0.1
Cerium (Ce), % 0
0 to 0.070
Chromium (Cr), % 10.5 to 11.7
22 to 24
Iron (Fe), % 84.9 to 89.5
61.4 to 67.8
Lanthanum (La), % 0
0 to 0.070
Manganese (Mn), % 0 to 1.0
0 to 1.0
Nickel (Ni), % 0 to 0.5
10 to 12.5
Nitrogen (N), % 0
0.18 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0 to 0.75
0