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AWS BNi-1 vs. S31060 Stainless Steel

AWS BNi-1 belongs to the nickel alloys classification, while S31060 stainless steel belongs to the iron alloys. They have a modest 30% 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-1 and the bottom bar is S31060 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Poisson's Ratio 0.3
0.27
Shear Modulus, GPa 70
78
Tensile Strength: Ultimate (UTS), MPa 450
680

Thermal Properties

Latent Heat of Fusion, J/g 360
290
Melting Completion (Liquidus), °C 1040
1420
Melting Onset (Solidus), °C 980
1370
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 55
18
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 8.8
3.4
Embodied Energy, MJ/kg 120
48
Embodied Water, L/kg 240
170

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
24
Strength to Weight: Bending, points 16
22
Thermal Shock Resistance, points 15
15

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 2.8 to 3.5
0.0010 to 0.010
Carbon (C), % 0.6 to 0.9
0.050 to 0.1
Cerium (Ce), % 0
0 to 0.070
Chromium (Cr), % 13 to 15
22 to 24
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 4.0 to 5.0
61.4 to 67.8
Lanthanum (La), % 0
0 to 0.070
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 69.8 to 75.7
10 to 12.5
Nitrogen (N), % 0
0.18 to 0.25
Phosphorus (P), % 0 to 0.020
0 to 0.040
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 0.030
Titanium (Ti), % 0 to 0.050
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0