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R60705 Alloy vs. SAE-AISI 94B30 Steel

R60705 alloy belongs to the otherwise unclassified metals classification, while SAE-AISI 94B30 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 SAE-AISI 94B30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 18
25
Fatigue Strength, MPa 290
220
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 37
73
Tensile Strength: Ultimate (UTS), MPa 540
500
Tensile Strength: Yield (Proof), MPa 430
300

Thermal Properties

Latent Heat of Fusion, J/g 250
250
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
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
110
Resilience: Unit (Modulus of Resilience), kJ/m3 950
250
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 22
18
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 9.5
10
Thermal Shock Resistance, points 63
15

Alloy Composition

Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0 to 0.050
0.28 to 0.33
Chromium (Cr), % 0 to 0.2
0.3 to 0.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
97 to 98.1
Manganese (Mn), % 0
0.75 to 1.0
Molybdenum (Mo), % 0
0.080 to 0.15
Nickel (Ni), % 0
0.3 to 0.6
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 0.035
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Zirconium (Zr), % 91 to 98
0