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AWS BNi-9 vs. S41425 Stainless Steel

AWS BNi-9 belongs to the nickel alloys classification, while S41425 stainless steel belongs to the iron alloys. 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 S41425 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
920

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Melting Completion (Liquidus), °C 1060
1450
Melting Onset (Solidus), °C 1060
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 60
13
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 9.3
2.9
Embodied Energy, MJ/kg 130
40
Embodied Water, L/kg 260
120

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 19
33
Strength to Weight: Bending, points 18
27
Thermal Shock Resistance, points 19
33

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 0.050
Chromium (Cr), % 13.5 to 16.5
12 to 15
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 0 to 1.5
74 to 81.9
Manganese (Mn), % 0
0.5 to 1.0
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 77.1 to 83.3
4.0 to 7.0
Nitrogen (N), % 0
0.060 to 0.12
Phosphorus (P), % 0 to 0.020
0 to 0.020
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.0050
Titanium (Ti), % 0 to 0.050
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0