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AWS BNi-7 vs. AWS ERNiCrFe-6

Both AWS BNi-7 and AWS ERNiCrFe-6 are nickel alloys. They have 89% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-7 and the bottom bar is AWS ERNiCrFe-6.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Melting Completion (Liquidus), °C 890
1370
Melting Onset (Solidus), °C 890
1320
Specific Heat Capacity, J/kg-K 490
460
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 55
55
Density, g/cm3 8.0
8.4
Embodied Carbon, kg CO2/kg material 8.8
9.8
Embodied Energy, MJ/kg 120
140
Embodied Water, L/kg 240
260

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 0 to 0.010
0
Carbon (C), % 0 to 0.060
0 to 0.080
Chromium (Cr), % 13 to 15
14 to 17
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 0 to 0.2
0 to 8.0
Manganese (Mn), % 0 to 0.040
2.0 to 2.7
Nickel (Ni), % 73.3 to 77.3
67 to 81.5
Phosphorus (P), % 9.7 to 10.5
0 to 0.030
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.1
0 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0 to 0.050
2.5 to 3.5
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.5