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AWS BNi-2 vs. EN 1.4449 Stainless Steel

AWS BNi-2 belongs to the nickel alloys classification, while EN 1.4449 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 (16, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-2 and the bottom bar is EN 1.4449 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 68
78
Tensile Strength: Ultimate (UTS), MPa 440
620

Thermal Properties

Latent Heat of Fusion, J/g 360
290
Melting Completion (Liquidus), °C 1000
1440
Melting Onset (Solidus), °C 970
1400
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 55
19
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 9.3
3.9
Embodied Energy, MJ/kg 130
54
Embodied Water, L/kg 230
150

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
22
Strength to Weight: Bending, points 16
20
Thermal Shock Resistance, points 16
14

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 2.8 to 3.5
0
Carbon (C), % 0 to 0.060
0 to 0.035
Chromium (Cr), % 6.0 to 8.0
17 to 18.2
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 2.5 to 3.5
62.4 to 69.3
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
2.3 to 2.8
Nickel (Ni), % 79.1 to 84.8
11.5 to 12.5
Nitrogen (N), % 0
0 to 0.080
Phosphorus (P), % 0 to 0.020
0 to 0.045
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 4.0 to 5.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0 to 0.050
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0