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S38815 Stainless Steel vs. AISI 304LN Stainless Steel

Both S38815 stainless steel and AISI 304LN stainless steel are iron alloys. They have 87% 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 304LN 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
7.8 to 46
Fatigue Strength, MPa 230
200 to 440
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Shear Strength, MPa 410
400 to 680
Tensile Strength: Ultimate (UTS), MPa 610
580 to 1160
Tensile Strength: Yield (Proof), MPa 290
230 to 870

Thermal Properties

Latent Heat of Fusion, J/g 370
290
Maximum Temperature: Corrosion, °C 400
420
Maximum Temperature: Mechanical, °C 860
960
Melting Completion (Liquidus), °C 1360
1420
Melting Onset (Solidus), °C 1310
1380
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 19
16
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.8
3.1
Embodied Energy, MJ/kg 54
44
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 18
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
83 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 220
140 to 1900
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
21 to 41
Strength to Weight: Bending, points 21
20 to 31
Thermal Shock Resistance, points 15
13 to 26

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 13 to 15
18 to 20
Copper (Cu), % 0.75 to 1.5
0
Iron (Fe), % 56.1 to 67
65 to 73.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0.75 to 1.5
0
Nickel (Ni), % 13 to 17
8.0 to 12
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