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AISI 347LN Stainless Steel vs. AWS ERNi-1

AISI 347LN stainless steel belongs to the iron alloys classification, while AWS ERNi-1 belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AISI 347LN stainless steel and the bottom bar is AWS ERNi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Elongation at Break, % 40
22
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
69
Tensile Strength: Ultimate (UTS), MPa 590
470

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Melting Completion (Liquidus), °C 1430
1360
Melting Onset (Solidus), °C 1380
1310
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 15
73
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
19
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
19

Otherwise Unclassified Properties

Base Metal Price, % relative 18
60
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 3.5
11
Embodied Energy, MJ/kg 49
150
Embodied Water, L/kg 150
230

Common Calculations

Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 21
15
Strength to Weight: Bending, points 20
15
Thermal Diffusivity, mm2/s 4.1
19
Thermal Shock Resistance, points 13
17

Alloy Composition

Aluminum (Al), % 0
0 to 1.5
Carbon (C), % 0.0050 to 0.020
0 to 0.15
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 64.3 to 73.7
0 to 1.0
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 9.0 to 13
93 to 98
Niobium (Nb), % 0.2 to 0.5
0
Nitrogen (N), % 0.060 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
2.0 to 3.5
Residuals, % 0
0 to 0.5