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AISI 409 Stainless Steel vs. S15700 Stainless Steel

Both AISI 409 stainless steel and S15700 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AISI 409 stainless steel and the bottom bar is S15700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 24
1.1 to 29
Fatigue Strength, MPa 140
370 to 770
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 270
770 to 1070
Tensile Strength: Ultimate (UTS), MPa 420
1180 to 1890
Tensile Strength: Yield (Proof), MPa 200
500 to 1770

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 450
400
Maximum Temperature: Mechanical, °C 710
870
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
16
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
15
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
3.4
Embodied Energy, MJ/kg 28
47
Embodied Water, L/kg 94
140

Common Calculations

PREN (Pitting Resistance) 11
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
17 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 100
640 to 4660
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 15
42 to 67
Strength to Weight: Bending, points 16
32 to 43
Thermal Diffusivity, mm2/s 6.7
4.2
Thermal Shock Resistance, points 15
39 to 63

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.5
Carbon (C), % 0 to 0.080
0 to 0.090
Chromium (Cr), % 10.5 to 11.7
14 to 16
Iron (Fe), % 84.9 to 89.5
69.6 to 76.8
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0 to 0.5
6.5 to 7.7
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0 to 0.75
0