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AWS BNi-4 vs. ASTM A182 Grade F5a

AWS BNi-4 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-4 and the bottom bar is ASTM A182 grade F5a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 67
74
Tensile Strength: Ultimate (UTS), MPa 430
710

Thermal Properties

Latent Heat of Fusion, J/g 340
260
Melting Completion (Liquidus), °C 1070
1460
Melting Onset (Solidus), °C 980
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 60
4.5
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 10
1.8
Embodied Energy, MJ/kg 140
24
Embodied Water, L/kg 220
69

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 14
25
Strength to Weight: Bending, points 15
23
Thermal Shock Resistance, points 16
20

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 1.5 to 2.2
0
Carbon (C), % 0 to 0.060
0 to 0.25
Chromium (Cr), % 0
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), % 91.4 to 95.5
0 to 0.5
Phosphorus (P), % 0 to 0.020
0 to 0.040
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 3.0 to 4.0
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