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AISI 347LN Stainless Steel vs. AWS BNi-5a

AISI 347LN stainless steel belongs to the iron alloys classification, while AWS BNi-5a belongs to the nickel alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (17, 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 BNi-5a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Tensile Strength: Ultimate (UTS), MPa 590
480

Thermal Properties

Latent Heat of Fusion, J/g 290
420
Melting Completion (Liquidus), °C 1430
1150
Melting Onset (Solidus), °C 1380
1070
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 18
55
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.5
9.0
Embodied Energy, MJ/kg 49
130
Embodied Water, L/kg 150
260

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
17
Strength to Weight: Bending, points 20
17
Thermal Shock Resistance, points 13
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Boron (B), % 0
1.0 to 1.5
Carbon (C), % 0.0050 to 0.020
0 to 0.1
Chromium (Cr), % 17 to 19
18.5 to 19.5
Cobalt (Co), % 0
0 to 0.1
Iron (Fe), % 64.3 to 73.7
0 to 0.5
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 9.0 to 13
70.1 to 73.5
Niobium (Nb), % 0.2 to 0.5
0
Nitrogen (N), % 0.060 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 1.0
7.0 to 7.5
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0 to 0.050
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5