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AISI 316L Stainless Steel vs. AISI 347 Stainless Steel

Both AISI 316L stainless steel and AISI 347 stainless steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 350
160 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.0 to 50
34 to 46
Fatigue Strength, MPa 170 to 450
220 to 270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 370 to 690
430 to 460
Tensile Strength: Ultimate (UTS), MPa 530 to 1160
610 to 690
Tensile Strength: Yield (Proof), MPa 190 to 870
240 to 350

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 19
19
Calomel Potential, mV -50
-80
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.9
3.6
Embodied Energy, MJ/kg 53
52
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 26
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 230
190 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 93 to 1880
150 to 310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19 to 41
22 to 25
Strength to Weight: Bending, points 18 to 31
20 to 22
Thermal Diffusivity, mm2/s 4.1
4.3
Thermal Shock Resistance, points 12 to 25
13 to 15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 16 to 18
17 to 19
Iron (Fe), % 62 to 72
64.1 to 74
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 to 1.0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030

Comparable Variants