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R60704 Alloy vs. S38815 Stainless Steel

R60704 alloy belongs to the otherwise unclassified metals classification, while S38815 stainless steel belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is R60704 alloy and the bottom bar is S38815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
190
Elongation at Break, % 16
34
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
74
Tensile Strength: Ultimate (UTS), MPa 470
610
Tensile Strength: Yield (Proof), MPa 270
290

Thermal Properties

Latent Heat of Fusion, J/g 240
370
Specific Heat Capacity, J/kg-K 270
500
Thermal Expansion, µm/m-K 6.0
15

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.5
Embodied Water, L/kg 460
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
170
Resilience: Unit (Modulus of Resilience), kJ/m3 370
220
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 20
22
Strength to Weight: Bending, points 20
21
Thermal Shock Resistance, points 58
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 0.2 to 0.4
13 to 15
Copper (Cu), % 0
0.75 to 1.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0.2 to 0.4
56.1 to 67
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0.75 to 1.5
Nickel (Ni), % 0
13 to 17
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
5.5 to 6.5
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 1.0 to 2.0
0
Zirconium (Zr), % 93 to 98.8
0