MakeItFrom.com
Menu (ESC)

R05240 Alloy vs. ASTM Grade HL Steel

R05240 alloy belongs to the otherwise unclassified metals classification, while ASTM grade HL 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 ASTM grade HL steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
200
Elongation at Break, % 25
11
Poisson's Ratio 0.36
0.27
Shear Modulus, GPa 57
80
Tensile Strength: Ultimate (UTS), MPa 270
500
Tensile Strength: Yield (Proof), MPa 170
270

Thermal Properties

Latent Heat of Fusion, J/g 210
320
Specific Heat Capacity, J/kg-K 190
490
Thermal Expansion, µm/m-K 6.8
17

Otherwise Unclassified Properties

Density, g/cm3 14
7.8
Embodied Water, L/kg 460
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
48
Resilience: Unit (Modulus of Resilience), kJ/m3 90
180
Stiffness to Weight: Axial, points 6.3
14
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 5.4
18
Strength to Weight: Bending, points 6.8
18
Thermal Shock Resistance, points 18
11

Alloy Composition

Carbon (C), % 0 to 0.010
0.2 to 0.6
Chromium (Cr), % 0
28 to 32
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
40.8 to 53.8
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0 to 0.020
0 to 0.5
Nickel (Ni), % 0 to 0.010
18 to 22
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