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AWS BNi-4 vs. S44635 Stainless Steel

AWS BNi-4 belongs to the nickel alloys classification, while S44635 stainless steel belongs to the iron alloys. 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-4 and the bottom bar is S44635 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
210
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 67
81
Tensile Strength: Ultimate (UTS), MPa 430
710

Thermal Properties

Latent Heat of Fusion, J/g 340
300
Melting Completion (Liquidus), °C 1070
1460
Melting Onset (Solidus), °C 980
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 60
22
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 10
4.4
Embodied Energy, MJ/kg 140
62
Embodied Water, L/kg 220
170

Common Calculations

Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 14
25
Strength to Weight: Bending, points 15
23
Thermal Shock Resistance, points 16
23

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 1.5 to 2.2
0
Carbon (C), % 0 to 0.060
0 to 0.025
Chromium (Cr), % 0
24.5 to 26
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 0 to 1.5
61.5 to 68.5
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 91.4 to 95.5
3.5 to 4.5
Niobium (Nb), % 0
0.2 to 0.8
Nitrogen (N), % 0
0 to 0.035
Phosphorus (P), % 0 to 0.020
0 to 0.040
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 3.0 to 4.0
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.050
0.2 to 0.8
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0