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EN 1.6982 Stainless Steel vs. AISI 347LN Stainless Steel

Both EN 1.6982 stainless steel and AISI 347LN stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.6982 stainless steel and the bottom bar is AISI 347LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
40
Fatigue Strength, MPa 350
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 800
590
Tensile Strength: Yield (Proof), MPa 570
230

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 390
460
Maximum Temperature: Mechanical, °C 770
940
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 10
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.4
3.5
Embodied Energy, MJ/kg 33
49
Embodied Water, L/kg 110
150

Common Calculations

PREN (Pitting Resistance) 14
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
190
Resilience: Unit (Modulus of Resilience), kJ/m3 820
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
21
Strength to Weight: Bending, points 25
20
Thermal Diffusivity, mm2/s 6.6
4.1
Thermal Shock Resistance, points 29
13

Alloy Composition

Carbon (C), % 0 to 0.050
0.0050 to 0.020
Chromium (Cr), % 12 to 13.5
17 to 19
Iron (Fe), % 78.7 to 84.5
64.3 to 73.7
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.7
0
Nickel (Ni), % 3.5 to 5.0
9.0 to 13
Niobium (Nb), % 0
0.2 to 0.5
Nitrogen (N), % 0
0.060 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030