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AWS BNi-8 vs. SAE-AISI 50B60 Steel

AWS BNi-8 belongs to the nickel alloys classification, while SAE-AISI 50B60 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-8 and the bottom bar is SAE-AISI 50B60 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 67
72
Tensile Strength: Ultimate (UTS), MPa 570
610 to 630

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Melting Completion (Liquidus), °C 1010
1450
Melting Onset (Solidus), °C 980
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 46
2.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 8.2
1.4
Embodied Energy, MJ/kg 120
19
Embodied Water, L/kg 220
48

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
22 to 23
Strength to Weight: Bending, points 19
20 to 21
Thermal Shock Resistance, points 17
20

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0 to 0.060
0.56 to 0.64
Chromium (Cr), % 0
0.4 to 0.6
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 4.0 to 5.0
0
Iron (Fe), % 0
97.3 to 98.1
Manganese (Mn), % 21.5 to 24.5
0.75 to 1.0
Nickel (Ni), % 61.6 to 68.5
0
Phosphorus (P), % 0 to 0.020
0 to 0.035
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 6.0 to 8.0
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