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R60705 Alloy vs. SAE-AISI S7 Steel

R60705 alloy belongs to the otherwise unclassified metals classification, while SAE-AISI S7 steel belongs to the iron alloys. There are 16 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 R60705 alloy and the bottom bar is SAE-AISI S7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 37
74
Tensile Strength: Ultimate (UTS), MPa 540
670 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 17
40
Thermal Expansion, µm/m-K 6.3
12

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 450
65

Common Calculations

Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 22
24 to 72
Strength to Weight: Bending, points 22
22 to 46
Thermal Diffusivity, mm2/s 9.5
11
Thermal Shock Resistance, points 63
22 to 66

Alloy Composition

Carbon (C), % 0 to 0.050
0.45 to 0.55
Chromium (Cr), % 0 to 0.2
3.0 to 3.5
Copper (Cu), % 0
0 to 0.25
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
91.6 to 94.9
Manganese (Mn), % 0
0.2 to 0.9
Molybdenum (Mo), % 0
1.3 to 1.8
Niobium (Nb), % 2.0 to 3.0
0
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 1.0
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.3
Zirconium (Zr), % 91 to 98
0