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S44635 Stainless Steel vs. AWS BNi-1

S44635 stainless steel belongs to the iron alloys classification, while AWS BNi-1 belongs to the nickel alloys. They have a modest 23% 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 S44635 stainless steel and the bottom bar is AWS BNi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
180
Poisson's Ratio 0.27
0.3
Shear Modulus, GPa 81
70
Tensile Strength: Ultimate (UTS), MPa 710
450

Thermal Properties

Latent Heat of Fusion, J/g 300
360
Melting Completion (Liquidus), °C 1460
1040
Melting Onset (Solidus), °C 1420
980
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 22
55
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.4
8.8
Embodied Energy, MJ/kg 62
120
Embodied Water, L/kg 170
240

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
16
Strength to Weight: Bending, points 23
16
Thermal Shock Resistance, points 23
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Boron (B), % 0
2.8 to 3.5
Carbon (C), % 0 to 0.025
0.6 to 0.9
Chromium (Cr), % 24.5 to 26
13 to 15
Cobalt (Co), % 0
0 to 0.1
Iron (Fe), % 61.5 to 68.5
4.0 to 5.0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 3.5 to 4.5
0
Nickel (Ni), % 3.5 to 4.5
69.8 to 75.7
Niobium (Nb), % 0.2 to 0.8
0
Nitrogen (N), % 0 to 0.035
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.75
4.0 to 5.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0.2 to 0.8
0 to 0.050
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5