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AWS BNi-2 vs. S44800 Stainless Steel

AWS BNi-2 belongs to the nickel alloys classification, while S44800 stainless steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-2 and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
210
Poisson's Ratio 0.3
0.27
Shear Modulus, GPa 68
82
Tensile Strength: Ultimate (UTS), MPa 440
590

Thermal Properties

Latent Heat of Fusion, J/g 360
300
Melting Completion (Liquidus), °C 1000
1460
Melting Onset (Solidus), °C 970
1410
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 55
19
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 9.3
3.8
Embodied Energy, MJ/kg 130
52
Embodied Water, L/kg 230
190

Common Calculations

Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
21
Strength to Weight: Bending, points 16
20
Thermal Shock Resistance, points 16
19

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 0.010
Chromium (Cr), % 6.0 to 8.0
28 to 30
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 2.5 to 3.5
62.6 to 66.5
Manganese (Mn), % 0
0 to 0.3
Molybdenum (Mo), % 0
3.5 to 4.2
Nickel (Ni), % 79.1 to 84.8
2.0 to 2.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.020
0 to 0.025
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 4.0 to 5.0
0 to 0.2
Sulfur (S), % 0 to 0.020
0 to 0.020
Titanium (Ti), % 0 to 0.050
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0