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AISI 316N Stainless Steel vs. AISI 347LN Stainless Steel

Both AISI 316N stainless steel and AISI 347LN stainless steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 316N stainless steel and the bottom bar is AISI 347LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 350
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.0 to 39
40
Fatigue Strength, MPa 230 to 450
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 420 to 690
400
Tensile Strength: Ultimate (UTS), MPa 620 to 1160
590
Tensile Strength: Yield (Proof), MPa 270 to 870
230

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
460
Maximum Temperature: Mechanical, °C 940
940
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 19
18
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.9
3.5
Embodied Energy, MJ/kg 53
49
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 27
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95 to 230
190
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1880
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 41
21
Strength to Weight: Bending, points 20 to 31
20
Thermal Diffusivity, mm2/s 4.1
4.1
Thermal Shock Resistance, points 14 to 26
13

Alloy Composition

Carbon (C), % 0 to 0.080
0.0050 to 0.020
Chromium (Cr), % 16 to 18
17 to 19
Iron (Fe), % 61.9 to 71.9
64.3 to 73.7
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 10 to 14
9.0 to 13
Niobium (Nb), % 0
0.2 to 0.5
Nitrogen (N), % 0.1 to 0.16
0.060 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030