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S38815 Stainless Steel vs. N08801 Stainless Steel

Both S38815 stainless steel and N08801 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 75% of their average alloy composition in common. 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 S38815 stainless steel and the bottom bar is N08801 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
34
Fatigue Strength, MPa 230
260
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Shear Strength, MPa 410
570
Tensile Strength: Ultimate (UTS), MPa 610
860
Tensile Strength: Yield (Proof), MPa 290
190

Thermal Properties

Latent Heat of Fusion, J/g 370
300
Maximum Temperature: Corrosion, °C 400
630
Maximum Temperature: Mechanical, °C 860
1090
Melting Completion (Liquidus), °C 1360
1390
Melting Onset (Solidus), °C 1310
1360
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 19
30
Density, g/cm3 7.5
8.0
Embodied Carbon, kg CO2/kg material 3.8
5.5
Embodied Energy, MJ/kg 54
79
Embodied Water, L/kg 140
200

Common Calculations

PREN (Pitting Resistance) 18
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
220
Resilience: Unit (Modulus of Resilience), kJ/m3 220
92
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
30
Strength to Weight: Bending, points 21
25
Thermal Shock Resistance, points 15
20

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 13 to 15
19 to 22
Copper (Cu), % 0.75 to 1.5
0 to 0.5
Iron (Fe), % 56.1 to 67
39.5 to 50.3
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0.75 to 1.5
0
Nickel (Ni), % 13 to 17
30 to 34
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 5.5 to 6.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0
0.75 to 1.5