MakeItFrom.com
Menu (ESC)

R60705 Alloy vs. ASTM A387 Grade 9 Steel

R60705 alloy belongs to the otherwise unclassified metals classification, while ASTM A387 grade 9 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is R60705 alloy and the bottom bar is ASTM A387 grade 9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 18
20 to 21
Fatigue Strength, MPa 290
160 to 240
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 37
75
Tensile Strength: Ultimate (UTS), MPa 540
500 to 600
Tensile Strength: Yield (Proof), MPa 430
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 17
26
Thermal Expansion, µm/m-K 6.3
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 450
87

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
83 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 950
140 to 310
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 22
18 to 21
Strength to Weight: Bending, points 22
18 to 20
Thermal Diffusivity, mm2/s 9.5
6.9
Thermal Shock Resistance, points 63
14 to 17

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.15
Chromium (Cr), % 0 to 0.2
8.0 to 10
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
87.1 to 90.8
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
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 0.025
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.025
Vanadium (V), % 0
0 to 0.040
Zirconium (Zr), % 91 to 98
0