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AWS BNi-6 vs. SAE-AISI 8655 Steel

AWS BNi-6 belongs to the nickel alloys classification, while SAE-AISI 8655 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-6 and the bottom bar is SAE-AISI 8655 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 62
73
Tensile Strength: Ultimate (UTS), MPa 450
620

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 880
1460
Melting Onset (Solidus), °C 880
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 9.8
13

Otherwise Unclassified Properties

Base Metal Price, % relative 55
2.6
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 9.4
1.5
Embodied Energy, MJ/kg 130
20
Embodied Water, L/kg 210
50

Common Calculations

Stiffness to Weight: Axial, points 11
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 15
22
Strength to Weight: Bending, points 16
21
Thermal Shock Resistance, points 20
18

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0 to 0.060
0.51 to 0.59
Chromium (Cr), % 0
0.4 to 0.6
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 0
96.4 to 97.6
Manganese (Mn), % 0
0.75 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 87.2 to 90
0.4 to 0.7
Phosphorus (P), % 10 to 12
0 to 0.035
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.040
Titanium (Ti), % 0 to 0.050
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0