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S31727 Stainless Steel vs. R60704 Alloy

S31727 stainless steel belongs to the iron alloys classification, while R60704 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 R60704 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
97
Elongation at Break, % 40
16
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
36
Tensile Strength: Ultimate (UTS), MPa 630
470
Tensile Strength: Yield (Proof), MPa 270
270

Thermal Properties

Latent Heat of Fusion, J/g 290
240
Specific Heat Capacity, J/kg-K 470
270
Thermal Expansion, µm/m-K 16
6.0

Otherwise Unclassified Properties

Density, g/cm3 8.0
6.7
Embodied Water, L/kg 180
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
64
Resilience: Unit (Modulus of Resilience), kJ/m3 190
370
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 22
20
Strength to Weight: Bending, points 20
20
Thermal Shock Resistance, points 14
58

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 17.5 to 19
0.2 to 0.4
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
0.2 to 0.4
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 3.8 to 4.5
0
Nickel (Ni), % 14.5 to 16.5
0
Nitrogen (N), % 0.15 to 0.21
0 to 0.025
Oxygen (O), % 0
0 to 0.18
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
1.0 to 2.0
Zirconium (Zr), % 0
93 to 98.8