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R05240 Alloy vs. AWS BNi-7

R05240 alloy belongs to the otherwise unclassified metals classification, while AWS BNi-7 belongs to the nickel alloys. There are 14 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 R05240 alloy and the bottom bar is AWS BNi-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
170
Poisson's Ratio 0.36
0.3
Shear Modulus, GPa 57
67
Tensile Strength: Ultimate (UTS), MPa 270
550

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Specific Heat Capacity, J/kg-K 190
490
Thermal Expansion, µm/m-K 6.8
11

Otherwise Unclassified Properties

Density, g/cm3 14
8.0
Embodied Water, L/kg 460
240

Common Calculations

Stiffness to Weight: Axial, points 6.3
12
Stiffness to Weight: Bending, points 13
23
Strength to Weight: Axial, points 5.4
19
Strength to Weight: Bending, points 6.8
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 0.010
0 to 0.060
Chromium (Cr), % 0
13 to 15
Cobalt (Co), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
0 to 0.2
Manganese (Mn), % 0
0 to 0.040
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
73.3 to 77.3
Niobium (Nb), % 35 to 42
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.020
0
Phosphorus (P), % 0
9.7 to 10.5
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.0050
0 to 0.1
Sulfur (S), % 0
0 to 0.020
Tantalum (Ta), % 57.9 to 65
0
Titanium (Ti), % 0 to 0.010
0 to 0.050
Tungsten (W), % 0 to 0.050
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5