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R05240 Alloy vs. AWS E33-31

R05240 alloy belongs to the otherwise unclassified metals classification, while AWS E33-31 belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is R05240 alloy and the bottom bar is AWS E33-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
210
Elongation at Break, % 25
29
Poisson's Ratio 0.36
0.27
Shear Modulus, GPa 57
81
Tensile Strength: Ultimate (UTS), MPa 270
810

Thermal Properties

Latent Heat of Fusion, J/g 210
320
Specific Heat Capacity, J/kg-K 190
480
Thermal Expansion, µm/m-K 6.8
14

Otherwise Unclassified Properties

Density, g/cm3 14
7.9
Embodied Water, L/kg 460
260

Common Calculations

Stiffness to Weight: Axial, points 6.3
14
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 5.4
28
Strength to Weight: Bending, points 6.8
24
Thermal Shock Resistance, points 18
19

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.030
Chromium (Cr), % 0
31 to 35
Copper (Cu), % 0
0.4 to 0.8
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
24.7 to 34.8
Manganese (Mn), % 0
2.5 to 4.0
Molybdenum (Mo), % 0 to 0.020
1.0 to 2.0
Nickel (Ni), % 0 to 0.010
30 to 32
Niobium (Nb), % 35 to 42
0
Nitrogen (N), % 0 to 0.010
0.3 to 0.5
Oxygen (O), % 0 to 0.020
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.0050
0 to 0.9
Sulfur (S), % 0
0 to 0.010
Tantalum (Ta), % 57.9 to 65
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0