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S20431 Stainless Steel vs. R60901 Alloy

S20431 stainless steel belongs to the iron alloys classification, while R60901 alloy belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is S20431 stainless steel and the bottom bar is R60901 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
98
Elongation at Break, % 46
17 to 22
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
37
Tensile Strength: Ultimate (UTS), MPa 710
500 to 580
Tensile Strength: Yield (Proof), MPa 350
350 to 390

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Specific Heat Capacity, J/kg-K 480
270
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 17
6.3

Otherwise Unclassified Properties

Density, g/cm3 7.7
6.6
Embodied Water, L/kg 140
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
88 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 310
640 to 760
Stiffness to Weight: Axial, points 14
8.3
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25
21 to 25
Strength to Weight: Bending, points 23
21 to 24
Thermal Diffusivity, mm2/s 4.0
9.7
Thermal Shock Resistance, points 15
58 to 67

Alloy Composition

Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 17 to 18
0
Copper (Cu), % 1.5 to 3.5
0
Iron (Fe), % 66.1 to 74.4
0
Manganese (Mn), % 5.0 to 7.0
0
Nickel (Ni), % 2.0 to 4.0
0
Niobium (Nb), % 0
2.4 to 2.8
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zirconium (Zr), % 0
96.8 to 97.5
Residuals, % 0
0 to 0.29