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AISI 316N Stainless Steel vs. S38815 Stainless Steel

Both AISI 316N stainless steel and S38815 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 AISI 316N stainless steel and the bottom bar is S38815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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