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AWS E219 vs. AWS BNi-9

AWS E219 belongs to the iron alloys classification, while AWS BNi-9 belongs to the nickel alloys. They have a modest 22% 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 (5, in this case) are not shown.

For each property being compared, the top bar is AWS E219 and the bottom bar is AWS BNi-9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 78
72
Tensile Strength: Ultimate (UTS), MPa 690
580

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Melting Completion (Liquidus), °C 1400
1060
Melting Onset (Solidus), °C 1360
1060
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
60
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 3.1
9.3
Embodied Energy, MJ/kg 44
130
Embodied Water, L/kg 160
260

Common Calculations

Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25
19
Strength to Weight: Bending, points 23
18
Thermal Shock Resistance, points 17
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Boron (B), % 0
3.3 to 4.0
Carbon (C), % 0 to 0.060
0 to 0.060
Chromium (Cr), % 19 to 21.5
13.5 to 16.5
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 58.6 to 67.4
0 to 1.5
Manganese (Mn), % 8.0 to 10
0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 5.5 to 7.0
77.1 to 83.3
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 1.0
0
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