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R05240 Alloy vs. AWS ER90S-B9

R05240 alloy belongs to the otherwise unclassified metals classification, while AWS ER90S-B9 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 ER90S-B9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
190
Elongation at Break, % 25
18
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 57
75
Tensile Strength: Ultimate (UTS), MPa 270
690
Tensile Strength: Yield (Proof), MPa 170
470

Thermal Properties

Latent Heat of Fusion, J/g 210
270
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
91

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
110
Resilience: Unit (Modulus of Resilience), kJ/m3 90
570
Stiffness to Weight: Axial, points 6.3
14
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 5.4
25
Strength to Weight: Bending, points 6.8
22
Thermal Shock Resistance, points 18
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.010
0.070 to 0.13
Chromium (Cr), % 0
8.0 to 10.5
Copper (Cu), % 0
0 to 0.2
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
84.4 to 90.7
Manganese (Mn), % 0
0 to 1.2
Molybdenum (Mo), % 0 to 0.020
0.85 to 1.2
Nickel (Ni), % 0 to 0.010
0 to 0.8
Niobium (Nb), % 35 to 42
0.020 to 0.1
Nitrogen (N), % 0 to 0.010
0.030 to 0.070
Oxygen (O), % 0 to 0.020
0
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.0050
0.15 to 0.5
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
Vanadium (V), % 0
0.15 to 0.3
Residuals, % 0
0 to 0.5