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AWS ER80S-B3L vs. AWS BNi-7

AWS ER80S-B3L belongs to the iron alloys classification, while AWS BNi-7 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS ER80S-B3L and the bottom bar is AWS BNi-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
170
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 74
67
Tensile Strength: Ultimate (UTS), MPa 630
550

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1460
890
Melting Onset (Solidus), °C 1420
890
Specific Heat Capacity, J/kg-K 470
490
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 4.1
55
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.8
8.8
Embodied Energy, MJ/kg 23
120
Embodied Water, L/kg 60
240

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 22
19
Strength to Weight: Bending, points 21
19
Thermal Shock Resistance, points 18
21

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Boron (B), % 0
0 to 0.010
Carbon (C), % 0 to 0.050
0 to 0.060
Chromium (Cr), % 2.3 to 2.7
13 to 15
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 93.6 to 96
0 to 0.2
Manganese (Mn), % 0.4 to 0.7
0 to 0.040
Molybdenum (Mo), % 0.9 to 1.2
0
Nickel (Ni), % 0 to 0.2
73.3 to 77.3
Phosphorus (P), % 0 to 0.025
9.7 to 10.5
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0.4 to 0.7
0 to 0.1
Sulfur (S), % 0 to 0.025
0 to 0.020
Titanium (Ti), % 0
0 to 0.050
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0 to 0.5
0 to 0.5