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AWS BNi-8 vs. N08020 Stainless Steel

AWS BNi-8 belongs to the nickel alloys classification, while N08020 stainless steel belongs to the iron alloys. They have 40% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-8 and the bottom bar is N08020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 67
77
Tensile Strength: Ultimate (UTS), MPa 570
610 to 620

Thermal Properties

Latent Heat of Fusion, J/g 390
300
Melting Completion (Liquidus), °C 1010
1410
Melting Onset (Solidus), °C 980
1360
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 46
38
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 8.2
6.6
Embodied Energy, MJ/kg 120
92
Embodied Water, L/kg 220
220

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
21
Strength to Weight: Bending, points 19
20
Thermal Shock Resistance, points 17
15

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0 to 0.060
0 to 0.070
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 4.0 to 5.0
3.0 to 4.0
Iron (Fe), % 0
29.9 to 44
Manganese (Mn), % 21.5 to 24.5
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 61.6 to 68.5
32 to 38
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.020
0 to 0.045
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 6.0 to 8.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.035
Titanium (Ti), % 0 to 0.050
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0