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S31727 Stainless Steel vs. R60706 Alloy

S31727 stainless steel belongs to the iron alloys classification, while R60706 alloy belongs to the otherwise unclassified metals. 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 S31727 stainless steel and the bottom bar is R60706 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
98
Elongation at Break, % 40
16
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
37
Tensile Strength: Ultimate (UTS), MPa 630
580
Tensile Strength: Yield (Proof), MPa 270
390

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Specific Heat Capacity, J/kg-K 470
270
Thermal Expansion, µm/m-K 16
6.3

Otherwise Unclassified Properties

Density, g/cm3 8.0
6.7
Embodied Water, L/kg 180
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
82
Resilience: Unit (Modulus of Resilience), kJ/m3 190
760
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 22
24
Strength to Weight: Bending, points 20
23
Thermal Shock Resistance, points 14
67

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 17.5 to 19
0 to 0.2
Copper (Cu), % 2.8 to 4.0
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 53.7 to 61.3
0 to 0.2
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 3.8 to 4.5
0
Nickel (Ni), % 14.5 to 16.5
0
Niobium (Nb), % 0
2.0 to 3.0
Nitrogen (N), % 0.15 to 0.21
0 to 0.025
Oxygen (O), % 0
0 to 0.16
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zirconium (Zr), % 0
91 to 98