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AISI 316LN Stainless Steel vs. S44800 Stainless Steel

Both AISI 316LN stainless steel and S44800 stainless steel are iron alloys. Both are furnished in the annealed condition. 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 (3, in this case) are not shown.

For each property being compared, the top bar is AISI 316LN stainless steel and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 42
23
Fatigue Strength, MPa 200
300
Poisson's Ratio 0.28
0.27
Reduction in Area, % 51
45
Shear Modulus, GPa 82
82
Shear Strength, MPa 410
370
Tensile Strength: Ultimate (UTS), MPa 590
590
Tensile Strength: Yield (Proof), MPa 230
450

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
460
Maximum Temperature: Mechanical, °C 940
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 19
19
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.8
3.8
Embodied Energy, MJ/kg 53
52
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 27
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
120
Resilience: Unit (Modulus of Resilience), kJ/m3 130
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
21
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 4.1
4.6
Thermal Shock Resistance, points 13
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.010
Chromium (Cr), % 16 to 18
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 62 to 71.9
62.6 to 66.5
Manganese (Mn), % 0 to 2.0
0 to 0.3
Molybdenum (Mo), % 2.0 to 3.0
3.5 to 4.2
Nickel (Ni), % 10 to 14
2.0 to 2.5
Nitrogen (N), % 0.1 to 0.16
0 to 0.020
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.020