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AISI 316L Stainless Steel vs. S15500 Stainless Steel

Both AISI 316L stainless steel and S15500 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 33 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 AISI 316L stainless steel and the bottom bar is S15500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 350
290 to 430
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.0 to 50
6.8 to 16
Fatigue Strength, MPa 170 to 450
350 to 650
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
75
Shear Strength, MPa 370 to 690
540 to 870
Tensile Strength: Ultimate (UTS), MPa 530 to 1160
890 to 1490
Tensile Strength: Yield (Proof), MPa 190 to 870
590 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 870
820
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 16
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 19
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.9
2.7
Embodied Energy, MJ/kg 53
39
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 26
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 230
98 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 93 to 1880
890 to 4460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19 to 41
32 to 53
Strength to Weight: Bending, points 18 to 31
26 to 37
Thermal Diffusivity, mm2/s 4.1
4.6
Thermal Shock Resistance, points 12 to 25
30 to 50

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.070
Chromium (Cr), % 16 to 18
14 to 15.5
Copper (Cu), % 0
2.5 to 4.5
Iron (Fe), % 62 to 72
71.9 to 79.9
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 10 to 14
3.5 to 5.5
Niobium (Nb), % 0
0.15 to 0.45
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030