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R60705 Alloy vs. S45500 Stainless Steel

R60705 alloy belongs to the otherwise unclassified metals classification, while S45500 stainless steel belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is R60705 alloy and the bottom bar is S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 18
3.4 to 11
Fatigue Strength, MPa 290
570 to 890
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 37
75
Tensile Strength: Ultimate (UTS), MPa 540
1370 to 1850
Tensile Strength: Yield (Proof), MPa 430
1240 to 1700

Thermal Properties

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

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.9
Embodied Water, L/kg 450
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
45 to 190
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 22
48 to 65
Strength to Weight: Bending, points 22
35 to 42
Thermal Shock Resistance, points 63
48 to 64

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.050
Chromium (Cr), % 0 to 0.2
11 to 12.5
Copper (Cu), % 0
1.5 to 2.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
71.5 to 79.2
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
7.5 to 9.5
Niobium (Nb), % 2.0 to 3.0
0 to 0.5
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.8 to 1.4
Zirconium (Zr), % 91 to 98
0