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R60706 Alloy vs. ACI-ASTM CB7Cu-1 Steel

R60706 alloy belongs to the otherwise unclassified metals classification, while ACI-ASTM CB7Cu-1 steel belongs to the iron alloys. 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 R60706 alloy and the bottom bar is ACI-ASTM CB7Cu-1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 16
5.7 to 11
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 37
76
Tensile Strength: Ultimate (UTS), MPa 580
960 to 1350
Tensile Strength: Yield (Proof), MPa 390
760 to 1180

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 17
17
Thermal Expansion, µm/m-K 6.3
11

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 450
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
71 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 760
1500 to 3590
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 24
34 to 48
Strength to Weight: Bending, points 23
28 to 35
Thermal Diffusivity, mm2/s 9.5
4.6
Thermal Shock Resistance, points 67
32 to 45

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.070
Chromium (Cr), % 0 to 0.2
15.5 to 17.7
Copper (Cu), % 0
2.5 to 3.2
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
72.3 to 78.4
Manganese (Mn), % 0
0 to 0.7
Nickel (Ni), % 0
3.6 to 4.6
Niobium (Nb), % 2.0 to 3.0
0 to 0.35
Nitrogen (N), % 0 to 0.025
0 to 0.050
Oxygen (O), % 0 to 0.16
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zirconium (Zr), % 91 to 98
0