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R60704 Alloy vs. S31730 Stainless Steel

R60704 alloy belongs to the otherwise unclassified metals classification, while S31730 stainless steel belongs to the iron alloys. There are 18 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 R60704 alloy and the bottom bar is S31730 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
200
Elongation at Break, % 16
40
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
77
Tensile Strength: Ultimate (UTS), MPa 470
540
Tensile Strength: Yield (Proof), MPa 270
200

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
170
Resilience: Unit (Modulus of Resilience), kJ/m3 370
99
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 20
19
Strength to Weight: Bending, points 20
18
Thermal Shock Resistance, points 58
12

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 0.2 to 0.4
17 to 19
Copper (Cu), % 0
4.0 to 5.0
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0.2 to 0.4
52.4 to 61
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0
15 to 16.5
Nitrogen (N), % 0 to 0.025
0 to 0.045
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 1.0 to 2.0
0
Zirconium (Zr), % 93 to 98.8
0