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AWS BNi-9 vs. EN 1.4469 Stainless Steel

AWS BNi-9 belongs to the nickel alloys classification, while EN 1.4469 stainless steel belongs to the iron alloys. They have a modest 23% 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 (14, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-9 and the bottom bar is EN 1.4469 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.3
0.27
Shear Modulus, GPa 72
81
Tensile Strength: Ultimate (UTS), MPa 580
740

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Melting Completion (Liquidus), °C 1060
1450
Melting Onset (Solidus), °C 1060
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 60
21
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 9.3
4.1
Embodied Energy, MJ/kg 130
57
Embodied Water, L/kg 260
180

Common Calculations

Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 19
26
Strength to Weight: Bending, points 18
23
Thermal Shock Resistance, points 19
20

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 3.3 to 4.0
0
Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 13.5 to 16.5
25 to 27
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
0 to 1.3
Iron (Fe), % 0 to 1.5
56.4 to 65.9
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 77.1 to 83.3
6.0 to 8.0
Nitrogen (N), % 0
0.12 to 0.22
Phosphorus (P), % 0 to 0.020
0 to 0.035
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.025
Titanium (Ti), % 0 to 0.050
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0