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EN 1.7380 Steel vs. R60706 Alloy

EN 1.7380 steel belongs to the iron alloys classification, while R60706 alloy belongs to the otherwise unclassified metals. 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 EN 1.7380 steel and the bottom bar is R60706 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
98
Elongation at Break, % 19 to 20
16
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 74
37
Tensile Strength: Ultimate (UTS), MPa 540 to 550
580
Tensile Strength: Yield (Proof), MPa 290 to 330
390

Thermal Properties

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

Otherwise Unclassified Properties

Density, g/cm3 7.9
6.7
Embodied Water, L/kg 59
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 98
82
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 280
760
Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 19 to 20
24
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 11
9.5
Thermal Shock Resistance, points 15 to 16
67

Alloy Composition

Carbon (C), % 0.080 to 0.14
0 to 0.050
Chromium (Cr), % 2.0 to 2.5
0 to 0.2
Copper (Cu), % 0 to 0.3
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 94.6 to 96.6
0 to 0.2
Manganese (Mn), % 0.4 to 0.8
0
Molybdenum (Mo), % 0.9 to 1.1
0
Niobium (Nb), % 0
2.0 to 3.0
Nitrogen (N), % 0 to 0.012
0 to 0.025
Oxygen (O), % 0
0 to 0.16
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.010
0
Zirconium (Zr), % 0
91 to 98