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R60706 Alloy vs. EN 1.7378 Steel

R60706 alloy belongs to the otherwise unclassified metals classification, while EN 1.7378 steel belongs to the iron alloys. There are 20 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 R60706 alloy and the bottom bar is EN 1.7378 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 16
17
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 37
74
Tensile Strength: Ultimate (UTS), MPa 580
700
Tensile Strength: Yield (Proof), MPa 390
490

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 17
39
Thermal Expansion, µm/m-K 6.3
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 450
61

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
110
Resilience: Unit (Modulus of Resilience), kJ/m3 760
630
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 24
25
Strength to Weight: Bending, points 23
22
Thermal Diffusivity, mm2/s 9.5
10
Thermal Shock Resistance, points 67
20

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0015 to 0.0070
Carbon (C), % 0 to 0.050
0.050 to 0.1
Chromium (Cr), % 0 to 0.2
2.2 to 2.6
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
94.6 to 96.1
Manganese (Mn), % 0
0.3 to 0.7
Molybdenum (Mo), % 0
0.9 to 1.1
Niobium (Nb), % 2.0 to 3.0
0
Nitrogen (N), % 0 to 0.025
0 to 0.010
Oxygen (O), % 0 to 0.16
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0.15 to 0.45
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0.050 to 0.1
Vanadium (V), % 0
0.2 to 0.3
Zirconium (Zr), % 91 to 98
0