MakeItFrom.com
Menu (ESC)

AWS BNi-7 vs. AWS E219

AWS BNi-7 belongs to the nickel alloys classification, while AWS E219 belongs to the iron alloys. They have a modest 20% 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 BNi-7 and the bottom bar is AWS E219.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170
200
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 67
78
Tensile Strength: Ultimate (UTS), MPa 550
690

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Melting Completion (Liquidus), °C 890
1400
Melting Onset (Solidus), °C 890
1360
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 11
15

Otherwise Unclassified Properties

Base Metal Price, % relative 55
15
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 8.8
3.1
Embodied Energy, MJ/kg 120
44
Embodied Water, L/kg 240
160

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 19
25
Strength to Weight: Bending, points 19
23
Thermal Shock Resistance, points 21
17

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 0 to 0.010
0
Carbon (C), % 0 to 0.060
0 to 0.060
Chromium (Cr), % 13 to 15
19 to 21.5
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 0 to 0.2
58.6 to 67.4
Manganese (Mn), % 0 to 0.040
8.0 to 10
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 73.3 to 77.3
5.5 to 7.0
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 9.7 to 10.5
0 to 0.040
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.050
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0