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R60705 Alloy vs. ASTM A372 Grade E Steel

R60705 alloy belongs to the otherwise unclassified metals classification, while ASTM A372 grade E steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is R60705 alloy and the bottom bar is ASTM A372 grade E steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 18
20 to 22
Fatigue Strength, MPa 290
310 to 380
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 37
73
Tensile Strength: Ultimate (UTS), MPa 540
650 to 910
Tensile Strength: Yield (Proof), MPa 430
430 to 550

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 17
44
Thermal Expansion, µm/m-K 6.3
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 450
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
130 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 950
500 to 810
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 22
23 to 32
Strength to Weight: Bending, points 22
21 to 27
Thermal Diffusivity, mm2/s 9.5
12
Thermal Shock Resistance, points 63
19 to 27

Alloy Composition

Carbon (C), % 0 to 0.050
0.25 to 0.35
Chromium (Cr), % 0 to 0.2
0.8 to 1.2
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
97 to 98.3
Manganese (Mn), % 0
0.4 to 0.9
Molybdenum (Mo), % 0
0.15 to 0.25
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 0.015
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.010
Zirconium (Zr), % 91 to 98
0