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AWS BNi-10 vs. S31254 Stainless Steel

AWS BNi-10 belongs to the nickel alloys classification, while S31254 stainless steel belongs to the iron alloys. They have a modest 33% 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 (17, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-10 and the bottom bar is S31254 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 600
720

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Melting Completion (Liquidus), °C 1110
1460
Melting Onset (Solidus), °C 970
1420
Specific Heat Capacity, J/kg-K 440
460
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 80
28
Density, g/cm3 9.4
8.0
Embodied Carbon, kg CO2/kg material 11
5.5
Embodied Energy, MJ/kg 160
74
Embodied Water, L/kg 230
190

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 18
25
Strength to Weight: Bending, points 17
22
Thermal Shock Resistance, points 19
15

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 2.0 to 3.0
0
Carbon (C), % 0.4 to 0.55
0 to 0.020
Chromium (Cr), % 10 to 13
19.5 to 20.5
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 2.5 to 4.5
51.4 to 56.3
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
6.0 to 6.5
Nickel (Ni), % 57.2 to 67.1
17.5 to 18.5
Nitrogen (N), % 0
0.18 to 0.22
Phosphorus (P), % 0 to 0.020
0 to 0.030
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 3.0 to 4.0
0 to 0.8
Sulfur (S), % 0 to 0.020
0 to 0.010
Titanium (Ti), % 0 to 0.050
0
Tungsten (W), % 15 to 17
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0