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R60706 Alloy vs. EN 1.7707 Steel

R60706 alloy belongs to the otherwise unclassified metals classification, while EN 1.7707 steel belongs to the iron alloys. There are 20 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 R60706 alloy and the bottom bar is EN 1.7707 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 16
11
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 37
73
Tensile Strength: Ultimate (UTS), MPa 580
1010
Tensile Strength: Yield (Proof), MPa 390
800

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 17
39
Thermal Expansion, µm/m-K 6.3
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 450
58

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
110
Resilience: Unit (Modulus of Resilience), kJ/m3 760
1690
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 24
36
Strength to Weight: Bending, points 23
29
Thermal Diffusivity, mm2/s 9.5
11
Thermal Shock Resistance, points 67
29

Alloy Composition

Carbon (C), % 0 to 0.050
0.26 to 0.34
Chromium (Cr), % 0 to 0.2
2.3 to 2.7
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
94.7 to 96.8
Manganese (Mn), % 0
0.4 to 0.7
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 0
0 to 0.6
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 to 0.4
Sulfur (S), % 0
0 to 0.035
Vanadium (V), % 0
0.1 to 0.2
Zirconium (Zr), % 91 to 98
0