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R60705 Alloy vs. S44635 Stainless Steel

R60705 alloy belongs to the otherwise unclassified metals classification, while S44635 stainless steel belongs to the iron alloys. There are 21 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 R60705 alloy and the bottom bar is S44635 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
210
Elongation at Break, % 18
23
Fatigue Strength, MPa 290
390
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 37
81
Tensile Strength: Ultimate (UTS), MPa 540
710
Tensile Strength: Yield (Proof), MPa 430
580

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 6.3
11

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 450
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
150
Resilience: Unit (Modulus of Resilience), kJ/m3 950
810
Stiffness to Weight: Axial, points 8.1
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 22
25
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 9.5
4.4
Thermal Shock Resistance, points 63
23

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.025
Chromium (Cr), % 0 to 0.2
24.5 to 26
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
61.5 to 68.5
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 0
3.5 to 4.5
Niobium (Nb), % 2.0 to 3.0
0.2 to 0.8
Nitrogen (N), % 0 to 0.025
0 to 0.035
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0.2 to 0.8
Zirconium (Zr), % 91 to 98
0