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AWS BNi-2 vs. S42300 Stainless Steel

AWS BNi-2 belongs to the nickel alloys classification, while S42300 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 S42300 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
77
Tensile Strength: Ultimate (UTS), MPa 440
1100

Thermal Properties

Latent Heat of Fusion, J/g 360
270
Melting Completion (Liquidus), °C 1000
1470
Melting Onset (Solidus), °C 970
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 11
10

Otherwise Unclassified Properties

Base Metal Price, % relative 55
9.5
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 9.3
3.2
Embodied Energy, MJ/kg 130
44
Embodied Water, L/kg 230
110

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
39
Strength to Weight: Bending, points 16
30
Thermal Shock Resistance, points 16
40

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 2.8 to 3.5
0
Carbon (C), % 0 to 0.060
0.27 to 0.32
Chromium (Cr), % 6.0 to 8.0
11 to 12
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 2.5 to 3.5
82 to 85.1
Manganese (Mn), % 0
1.0 to 1.4
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 79.1 to 84.8
0 to 0.5
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 0.5
Sulfur (S), % 0 to 0.020
0 to 0.025
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0
0.2 to 0.3
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0