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R05240 Alloy vs. AWS E80C-B2

R05240 alloy belongs to the otherwise unclassified metals classification, while AWS E80C-B2 belongs to the iron alloys. There are 18 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 E80C-B2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
190
Elongation at Break, % 25
22
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 57
73
Tensile Strength: Ultimate (UTS), MPa 270
630
Tensile Strength: Yield (Proof), MPa 170
530

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Specific Heat Capacity, J/kg-K 190
470
Thermal Expansion, µm/m-K 6.8
13

Otherwise Unclassified Properties

Density, g/cm3 14
7.8
Embodied Water, L/kg 460
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
130
Resilience: Unit (Modulus of Resilience), kJ/m3 90
740
Stiffness to Weight: Axial, points 6.3
13
Stiffness to Weight: Bending, points 13
24
Strength to Weight: Axial, points 5.4
22
Strength to Weight: Bending, points 6.8
21
Thermal Shock Resistance, points 18
18

Alloy Composition

Carbon (C), % 0 to 0.010
0.050 to 0.12
Chromium (Cr), % 0
1.0 to 1.5
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
95.3 to 97.9
Manganese (Mn), % 0
0.4 to 1.0
Molybdenum (Mo), % 0 to 0.020
0.4 to 0.65
Nickel (Ni), % 0 to 0.010
0 to 0.2
Niobium (Nb), % 35 to 42
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.020
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.0050
0.25 to 0.6
Sulfur (S), % 0
0 to 0.030
Tantalum (Ta), % 57.9 to 65
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0
Vanadium (V), % 0
0 to 0.030
Residuals, % 0
0 to 0.5