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R05240 Alloy vs. AWS E630

R05240 alloy belongs to the otherwise unclassified metals classification, while AWS E630 belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is R05240 alloy and the bottom bar is AWS E630.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
190
Elongation at Break, % 25
8.0
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 57
76
Tensile Strength: Ultimate (UTS), MPa 270
1040

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Specific Heat Capacity, J/kg-K 190
470
Thermal Expansion, µm/m-K 6.8
14

Otherwise Unclassified Properties

Density, g/cm3 14
7.8
Embodied Water, L/kg 460
140

Common Calculations

Stiffness to Weight: Axial, points 6.3
14
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 5.4
37
Strength to Weight: Bending, points 6.8
29
Thermal Shock Resistance, points 18
28

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.050
Chromium (Cr), % 0
16 to 16.8
Copper (Cu), % 0
3.3 to 4.0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
71.6 to 75.9
Manganese (Mn), % 0
0.25 to 0.75
Molybdenum (Mo), % 0 to 0.020
0 to 0.75
Nickel (Ni), % 0 to 0.010
4.5 to 5.0
Niobium (Nb), % 35 to 42
0.15 to 0.3
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 0.75
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