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ASTM Grade HD Steel vs. R60706 Alloy

ASTM grade HD steel belongs to the iron alloys classification, while R60706 alloy belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HD steel and the bottom bar is R60706 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
98
Elongation at Break, % 9.1
16
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 80
37
Tensile Strength: Ultimate (UTS), MPa 590
580
Tensile Strength: Yield (Proof), MPa 270
390

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Specific Heat Capacity, J/kg-K 490
270
Thermal Conductivity, W/m-K 16
17
Thermal Expansion, µm/m-K 11
6.3

Otherwise Unclassified Properties

Density, g/cm3 7.7
6.7
Embodied Water, L/kg 180
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
82
Resilience: Unit (Modulus of Resilience), kJ/m3 180
760
Stiffness to Weight: Axial, points 15
8.1
Stiffness to Weight: Bending, points 26
23
Strength to Weight: Axial, points 21
24
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 4.3
9.5
Thermal Shock Resistance, points 19
67

Alloy Composition

Carbon (C), % 0 to 0.5
0 to 0.050
Chromium (Cr), % 26 to 30
0 to 0.2
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 58.4 to 70
0 to 0.2
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 4.0 to 7.0
0
Niobium (Nb), % 0
2.0 to 3.0
Nitrogen (N), % 0
0 to 0.025
Oxygen (O), % 0
0 to 0.16
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0
Sulfur (S), % 0 to 0.040
0
Zirconium (Zr), % 0
91 to 98