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S38815 Stainless Steel vs. N08366 Stainless Steel

Both S38815 stainless steel and N08366 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 78% of their average alloy composition in common. There are 29 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 S38815 stainless steel and the bottom bar is N08366 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 34
34
Fatigue Strength, MPa 230
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
80
Shear Strength, MPa 410
390
Tensile Strength: Ultimate (UTS), MPa 610
590
Tensile Strength: Yield (Proof), MPa 290
240

Thermal Properties

Latent Heat of Fusion, J/g 370
310
Maximum Temperature: Corrosion, °C 400
430
Maximum Temperature: Mechanical, °C 860
1100
Melting Completion (Liquidus), °C 1360
1460
Melting Onset (Solidus), °C 1310
1410
Specific Heat Capacity, J/kg-K 500
460
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 19
33
Density, g/cm3 7.5
8.1
Embodied Carbon, kg CO2/kg material 3.8
6.2
Embodied Energy, MJ/kg 54
84
Embodied Water, L/kg 140
200

Common Calculations

PREN (Pitting Resistance) 18
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
160
Resilience: Unit (Modulus of Resilience), kJ/m3 220
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
20
Strength to Weight: Bending, points 21
19
Thermal Shock Resistance, points 15
13

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0 to 0.035
Chromium (Cr), % 13 to 15
20 to 22
Copper (Cu), % 0.75 to 1.5
0
Iron (Fe), % 56.1 to 67
42.4 to 50.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0.75 to 1.5
6.0 to 7.0
Nickel (Ni), % 13 to 17
23.5 to 25.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 5.5 to 6.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030