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AWS BNi-1 vs. S44537 Stainless Steel

AWS BNi-1 belongs to the nickel alloys classification, while S44537 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-1 and the bottom bar is S44537 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
79
Tensile Strength: Ultimate (UTS), MPa 450
510

Thermal Properties

Latent Heat of Fusion, J/g 360
290
Melting Completion (Liquidus), °C 1040
1480
Melting Onset (Solidus), °C 980
1430
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 55
19
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 8.8
3.4
Embodied Energy, MJ/kg 120
50
Embodied Water, L/kg 240
140

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
18
Strength to Weight: Bending, points 16
18
Thermal Shock Resistance, points 15
17

Alloy Composition

Aluminum (Al), % 0 to 0.050
0 to 0.1
Boron (B), % 2.8 to 3.5
0
Carbon (C), % 0.6 to 0.9
0 to 0.030
Chromium (Cr), % 13 to 15
20 to 24
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 4.0 to 5.0
69 to 78.6
Lanthanum (La), % 0
0.040 to 0.2
Manganese (Mn), % 0
0 to 0.8
Nickel (Ni), % 69.8 to 75.7
0 to 0.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.020
0 to 0.050
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 4.0 to 5.0
0.1 to 0.6
Sulfur (S), % 0 to 0.020
0 to 0.0060
Titanium (Ti), % 0 to 0.050
0.020 to 0.2
Tungsten (W), % 0
1.0 to 3.0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0