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AWS BNi-1 vs. Grade FDSiCr Steel

AWS BNi-1 belongs to the nickel alloys classification, while grade FDSiCr steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-1 and the bottom bar is grade FDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 70
80
Tensile Strength: Ultimate (UTS), MPa 450
1930

Thermal Properties

Latent Heat of Fusion, J/g 360
270
Melting Completion (Liquidus), °C 1040
1440
Melting Onset (Solidus), °C 980
1400
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 55
2.2
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 8.8
1.5
Embodied Energy, MJ/kg 120
20
Embodied Water, L/kg 240
48

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
69
Strength to Weight: Bending, points 16
44
Thermal Shock Resistance, points 15
58

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 2.8 to 3.5
0
Carbon (C), % 0.6 to 0.9
0.5 to 0.6
Chromium (Cr), % 13 to 15
0.5 to 0.8
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.12
Iron (Fe), % 4.0 to 5.0
96.5 to 97.8
Manganese (Mn), % 0
0.5 to 0.9
Nickel (Ni), % 69.8 to 75.7
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 4.0 to 5.0
1.2 to 1.6
Sulfur (S), % 0 to 0.020
0 to 0.025
Titanium (Ti), % 0 to 0.050
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0