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AWS BNi-11 vs. EN 1.4446 Stainless Steel

AWS BNi-11 belongs to the nickel alloys classification, while EN 1.4446 stainless steel belongs to the iron alloys. They have a modest 28% 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 (15, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-11 and the bottom bar is EN 1.4446 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 74
79
Tensile Strength: Ultimate (UTS), MPa 600
490

Thermal Properties

Latent Heat of Fusion, J/g 340
290
Melting Completion (Liquidus), °C 1100
1460
Melting Onset (Solidus), °C 970
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 75
22
Density, g/cm3 9.1
7.9
Embodied Carbon, kg CO2/kg material 11
4.5
Embodied Energy, MJ/kg 160
60
Embodied Water, L/kg 230
160

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 18
17
Strength to Weight: Bending, points 17
17
Thermal Shock Resistance, points 20
11

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 2.2 to 3.1
0
Carbon (C), % 0.3 to 0.5
0 to 0.030
Chromium (Cr), % 9.0 to 11.8
16.5 to 18.5
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 2.5 to 4.0
59.7 to 66.9
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
4.0 to 4.5
Nickel (Ni), % 62.9 to 71.2
12.5 to 14.5
Nitrogen (N), % 0
0.12 to 0.22
Phosphorus (P), % 0 to 0.020
0 to 0.040
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 3.4 to 4.3
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.050
0
Tungsten (W), % 11.5 to 12.8
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0