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R60705 Alloy vs. S20910 Stainless Steel

R60705 alloy belongs to the otherwise unclassified metals classification, while S20910 stainless steel belongs to the iron alloys. There are 21 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 R60705 alloy and the bottom bar is S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
200
Elongation at Break, % 18
14 to 39
Fatigue Strength, MPa 290
310 to 460
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 37
79
Tensile Strength: Ultimate (UTS), MPa 540
780 to 940
Tensile Strength: Yield (Proof), MPa 430
430 to 810

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 17
13
Thermal Expansion, µm/m-K 6.3
16

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 450
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 950
460 to 1640
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 22
28 to 33
Strength to Weight: Bending, points 22
24 to 27
Thermal Diffusivity, mm2/s 9.5
3.6
Thermal Shock Resistance, points 63
17 to 21

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.060
Chromium (Cr), % 0 to 0.2
20.5 to 23.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
52.1 to 62.1
Manganese (Mn), % 0
4.0 to 6.0
Molybdenum (Mo), % 0
1.5 to 3.0
Nickel (Ni), % 0
11.5 to 13.5
Niobium (Nb), % 2.0 to 3.0
0.1 to 0.3
Nitrogen (N), % 0 to 0.025
0.2 to 0.4
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
Vanadium (V), % 0
0.1 to 0.3
Zirconium (Zr), % 91 to 98
0