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R60706 Alloy vs. S31277 Stainless Steel

R60706 alloy belongs to the otherwise unclassified metals classification, while S31277 stainless steel belongs to the iron alloys. There are 18 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 S31277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
210
Elongation at Break, % 16
45
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 37
80
Tensile Strength: Ultimate (UTS), MPa 580
860
Tensile Strength: Yield (Proof), MPa 390
410

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Specific Heat Capacity, J/kg-K 270
460
Thermal Expansion, µm/m-K 6.3
16

Otherwise Unclassified Properties

Density, g/cm3 6.7
8.1
Embodied Water, L/kg 450
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
320
Resilience: Unit (Modulus of Resilience), kJ/m3 760
410
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 24
29
Strength to Weight: Bending, points 23
25
Thermal Shock Resistance, points 67
19

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.020
Chromium (Cr), % 0 to 0.2
20.5 to 23
Copper (Cu), % 0
0.5 to 1.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
35.5 to 46.2
Manganese (Mn), % 0
0 to 3.0
Molybdenum (Mo), % 0
6.5 to 8.0
Nickel (Ni), % 0
26 to 28
Niobium (Nb), % 2.0 to 3.0
0
Nitrogen (N), % 0 to 0.025
0.3 to 0.4
Oxygen (O), % 0 to 0.16
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Zirconium (Zr), % 91 to 98
0