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R05240 Alloy vs. ACI-ASTM CG6MMN Steel

R05240 alloy belongs to the otherwise unclassified metals classification, while ACI-ASTM CG6MMN steel 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 ACI-ASTM CG6MMN steel.

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
79
Tensile Strength: Ultimate (UTS), MPa 270
670
Tensile Strength: Yield (Proof), MPa 170
320

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Specific Heat Capacity, J/kg-K 190
480
Thermal Expansion, µm/m-K 6.8
17

Otherwise Unclassified Properties

Density, g/cm3 14
7.8
Embodied Water, L/kg 460
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
190
Resilience: Unit (Modulus of Resilience), kJ/m3 90
260
Stiffness to Weight: Axial, points 6.3
14
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 5.4
24
Strength to Weight: Bending, points 6.8
22
Thermal Shock Resistance, points 18
14

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.060
Chromium (Cr), % 0
20.5 to 23.5
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
51.9 to 62.1
Manganese (Mn), % 0
4.0 to 6.0
Molybdenum (Mo), % 0 to 0.020
1.5 to 3.0
Nickel (Ni), % 0 to 0.010
11.5 to 13.5
Niobium (Nb), % 35 to 42
0.1 to 0.3
Nitrogen (N), % 0 to 0.010
0.2 to 0.4
Oxygen (O), % 0 to 0.020
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.0050
0 to 1.0
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
0.1 to 0.3