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AWS BNi-9 vs. ASTM A182 Grade F5a

AWS BNi-9 belongs to the nickel alloys classification, while ASTM A182 grade F5a belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-9 and the bottom bar is ASTM A182 grade F5a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 72
74
Tensile Strength: Ultimate (UTS), MPa 580
710

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Melting Completion (Liquidus), °C 1060
1460
Melting Onset (Solidus), °C 1060
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 60
4.5
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 9.3
1.8
Embodied Energy, MJ/kg 130
24
Embodied Water, L/kg 260
69

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 19
25
Strength to Weight: Bending, points 18
23
Thermal Shock Resistance, points 19
20

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 3.3 to 4.0
0
Carbon (C), % 0 to 0.060
0 to 0.25
Chromium (Cr), % 13.5 to 16.5
4.0 to 6.0
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 0 to 1.5
91.4 to 95.6
Manganese (Mn), % 0
0 to 0.6
Molybdenum (Mo), % 0
0.44 to 0.65
Nickel (Ni), % 77.1 to 83.3
0 to 0.5
Phosphorus (P), % 0 to 0.020
0 to 0.040
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.050
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0