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AWS BNi-7 vs. S32053 Stainless Steel

AWS BNi-7 belongs to the nickel alloys classification, while S32053 stainless steel belongs to the iron alloys. They have a modest 39% 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-7 and the bottom bar is S32053 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170
210
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 67
80
Tensile Strength: Ultimate (UTS), MPa 550
730

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Melting Completion (Liquidus), °C 890
1450
Melting Onset (Solidus), °C 890
1400
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 55
33
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 8.8
6.1
Embodied Energy, MJ/kg 120
83
Embodied Water, L/kg 240
210

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 19
25
Strength to Weight: Bending, points 19
22
Thermal Shock Resistance, points 21
16

Alloy Composition


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Aluminum (Al), % 0 to 0.050
0
Boron (B), % 0 to 0.010
0
Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 13 to 15
22 to 24
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 0 to 0.2
41.7 to 48.8
Manganese (Mn), % 0 to 0.040
0 to 1.0
Molybdenum (Mo), % 0
5.0 to 6.0
Nickel (Ni), % 73.3 to 77.3
24 to 26
Nitrogen (N), % 0
0.17 to 0.22
Phosphorus (P), % 9.7 to 10.5
0 to 0.030
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.010
Titanium (Ti), % 0 to 0.050
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0