MakeItFrom.com
Menu (ESC)

R05240 Alloy vs. ASTM Grade HD Steel

R05240 alloy belongs to the otherwise unclassified metals classification, while ASTM grade HD steel belongs to the iron alloys. There are 18 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 ASTM grade HD steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
200
Elongation at Break, % 25
9.1
Poisson's Ratio 0.36
0.27
Shear Modulus, GPa 57
80
Tensile Strength: Ultimate (UTS), MPa 270
590
Tensile Strength: Yield (Proof), MPa 170
270

Thermal Properties

Latent Heat of Fusion, J/g 210
310
Specific Heat Capacity, J/kg-K 190
490
Thermal Expansion, µm/m-K 6.8
11

Otherwise Unclassified Properties

Density, g/cm3 14
7.7
Embodied Water, L/kg 460
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
44
Resilience: Unit (Modulus of Resilience), kJ/m3 90
180
Stiffness to Weight: Axial, points 6.3
15
Stiffness to Weight: Bending, points 13
26
Strength to Weight: Axial, points 5.4
21
Strength to Weight: Bending, points 6.8
20
Thermal Shock Resistance, points 18
19

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.5
Chromium (Cr), % 0
26 to 30
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
58.4 to 70
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0 to 0.020
0 to 0.5
Nickel (Ni), % 0 to 0.010
4.0 to 7.0
Niobium (Nb), % 35 to 42
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 2.0
Sulfur (S), % 0
0 to 0.040
Tantalum (Ta), % 57.9 to 65
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0