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S17400 Stainless Steel vs. AISI 316N Stainless Steel

Both S17400 stainless steel and AISI 316N 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 S17400 stainless steel and the bottom bar is AISI 316N stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 850
940
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 14
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.9
Embodied Energy, MJ/kg 39
53
Embodied Water, L/kg 130
150

Common Calculations

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

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.080
Chromium (Cr), % 15 to 17
16 to 18
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 70.4 to 78.9
61.9 to 71.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 3.0 to 5.0
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