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AISI 316N Stainless Steel vs. S17400 Stainless Steel

Both AISI 316N stainless steel and S17400 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 33 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 316N stainless steel and the bottom bar is S17400 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 350
280 to 440
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.0 to 39
11 to 21
Fatigue Strength, MPa 230 to 450
380 to 670
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
75
Shear Strength, MPa 420 to 690
570 to 830
Tensile Strength: Ultimate (UTS), MPa 620 to 1160
910 to 1390
Tensile Strength: Yield (Proof), MPa 270 to 870
580 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 940
850
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
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
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 19
14
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) 27
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95 to 230
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1880
880 to 4060
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 41
32 to 49
Strength to Weight: Bending, points 20 to 31
27 to 35
Thermal Diffusivity, mm2/s 4.1
4.5
Thermal Shock Resistance, points 14 to 26
30 to 46

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.070
Chromium (Cr), % 16 to 18
15 to 17
Copper (Cu), % 0
3.0 to 5.0
Iron (Fe), % 61.9 to 71.9
70.4 to 78.9
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 10 to 14
3.0 to 5.0
Niobium (Nb), % 0
0.15 to 0.45
Nitrogen (N), % 0.1 to 0.16
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