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S38815 Stainless Steel vs. AISI 316N Stainless Steel

Both S38815 stainless steel and AISI 316N stainless steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S38815 stainless steel and the bottom bar is AISI 316N stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190 to 350
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
9.0 to 39
Fatigue Strength, MPa 230
230 to 450
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
78
Shear Strength, MPa 410
420 to 690
Tensile Strength: Ultimate (UTS), MPa 610
620 to 1160
Tensile Strength: Yield (Proof), MPa 290
270 to 870

Thermal Properties

Latent Heat of Fusion, J/g 370
290
Maximum Temperature: Corrosion, °C 400
410
Maximum Temperature: Mechanical, °C 860
940
Melting Completion (Liquidus), °C 1360
1440
Melting Onset (Solidus), °C 1310
1400
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 19
19
Density, g/cm3 7.5
7.9
Embodied Carbon, kg CO2/kg material 3.8
3.9
Embodied Energy, MJ/kg 54
53
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 18
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
95 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 220
180 to 1880
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
22 to 41
Strength to Weight: Bending, points 21
20 to 31
Thermal Shock Resistance, points 15
14 to 26

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 13 to 15
16 to 18
Copper (Cu), % 0.75 to 1.5
0
Iron (Fe), % 56.1 to 67
61.9 to 71.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0.75 to 1.5
2.0 to 3.0
Nickel (Ni), % 13 to 17
10 to 14
Nitrogen (N), % 0
0.1 to 0.16
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 5.5 to 6.5
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.030