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AWS BNi-9 vs. EN 1.4369 Stainless Steel

AWS BNi-9 belongs to the nickel alloys classification, while EN 1.4369 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-9 and the bottom bar is EN 1.4369 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 72
77
Tensile Strength: Ultimate (UTS), MPa 580
850

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Melting Completion (Liquidus), °C 1060
1400
Melting Onset (Solidus), °C 1060
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 60
14
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 9.3
3.0
Embodied Energy, MJ/kg 130
43
Embodied Water, L/kg 260
150

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 19
31
Strength to Weight: Bending, points 18
26
Thermal Shock Resistance, points 19
18

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 3.3 to 4.0
0
Carbon (C), % 0 to 0.060
0.070 to 0.15
Chromium (Cr), % 13.5 to 16.5
17.5 to 19.5
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 0 to 1.5
63 to 70.2
Manganese (Mn), % 0
5.0 to 7.5
Nickel (Ni), % 77.1 to 83.3
6.5 to 8.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.030
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0
0.5 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