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S15500 Stainless Steel vs. AISI 316LN Stainless Steel

Both S15500 stainless steel and AISI 316LN stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 34 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 S15500 stainless steel and the bottom bar is AISI 316LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 430
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 6.8 to 16
42
Fatigue Strength, MPa 350 to 650
200
Poisson's Ratio 0.28
0.28
Reduction in Area, % 17 to 40
51
Shear Modulus, GPa 75
82
Shear Strength, MPa 540 to 870
410
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
590
Tensile Strength: Yield (Proof), MPa 590 to 1310
230

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 820
940
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.8
Embodied Energy, MJ/kg 39
53
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 15
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
200
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 53
21
Strength to Weight: Bending, points 26 to 37
20
Thermal Diffusivity, mm2/s 4.6
4.1
Thermal Shock Resistance, points 30 to 50
13

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 14 to 15.5
16 to 18
Copper (Cu), % 2.5 to 4.5
0
Iron (Fe), % 71.9 to 79.9
62 to 71.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 3.5 to 5.5
10 to 14
Niobium (Nb), % 0.15 to 0.45
0
Nitrogen (N), % 0
0.1 to 0.16
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030