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R05240 Alloy vs. AWS E320

R05240 alloy belongs to the otherwise unclassified metals classification, while AWS E320 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 E320.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
200
Elongation at Break, % 25
34
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 57
77
Tensile Strength: Ultimate (UTS), MPa 270
620

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Specific Heat Capacity, J/kg-K 190
460
Thermal Expansion, µm/m-K 6.8
14

Otherwise Unclassified Properties

Density, g/cm3 14
8.2
Embodied Water, L/kg 460
220

Common Calculations

Stiffness to Weight: Axial, points 6.3
13
Stiffness to Weight: Bending, points 13
24
Strength to Weight: Axial, points 5.4
21
Strength to Weight: Bending, points 6.8
20
Thermal Shock Resistance, points 18
16

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.070
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 0
3.0 to 4.0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
31.8 to 43.5
Manganese (Mn), % 0
0.5 to 2.5
Molybdenum (Mo), % 0 to 0.020
2.0 to 3.0
Nickel (Ni), % 0 to 0.010
32 to 36
Niobium (Nb), % 35 to 42
0 to 1.0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.020
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.0050
0 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