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R60706 Alloy vs. ASTM A356 Grade 9

R60706 alloy belongs to the otherwise unclassified metals classification, while ASTM A356 grade 9 belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is R60706 alloy and the bottom bar is ASTM A356 grade 9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 16
17
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 37
73
Tensile Strength: Ultimate (UTS), MPa 580
670
Tensile Strength: Yield (Proof), MPa 390
460

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 17
41
Thermal Expansion, µm/m-K 6.3
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 450
56

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
100
Resilience: Unit (Modulus of Resilience), kJ/m3 760
570
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 24
24
Strength to Weight: Bending, points 23
22
Thermal Diffusivity, mm2/s 9.5
11
Thermal Shock Resistance, points 67
19

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.2
Chromium (Cr), % 0 to 0.2
1.0 to 1.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
95.2 to 97.2
Manganese (Mn), % 0
0.5 to 0.9
Molybdenum (Mo), % 0
0.9 to 1.2
Niobium (Nb), % 2.0 to 3.0
0
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.16
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.2 to 0.6
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0.2 to 0.35
Zirconium (Zr), % 91 to 98
0