R60706 Alloy vs. SAE-AISI M50 Steel

R60706 alloy belongs to the otherwise unclassified metals classification, while SAE-AISI M50 steel belongs to the iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is R60706 alloy and the bottom bar is SAE-AISI M50 steel.

UNS R60706 Zirconium-Niobium Alloy SAE-AISI M50 (T11350) Molybdenum High-Speed Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		98
Elastic (Young's, Tensile) Modulus, GPa		190

Poisson's Ratio		0.34
Poisson's Ratio		0.29

Shear Modulus, GPa		37
Shear Modulus, GPa		75

Tensile Strength: Ultimate (UTS), MPa		580
Tensile Strength: Ultimate (UTS), MPa		720 to 2250

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		260

Specific Heat Capacity, J/kg-K		270
Specific Heat Capacity, J/kg-K		470

Thermal Conductivity, W/m-K		17
Thermal Conductivity, W/m-K		35

Thermal Expansion, µm/m-K		6.3
Thermal Expansion, µm/m-K		13

Otherwise Unclassified Properties

Density, g/cm³		6.7
Density, g/cm³		7.9

Embodied Water, L/kg		450
Embodied Water, L/kg		83

Common Calculations

Stiffness to Weight: Axial, points		8.1
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		23
Stiffness to Weight: Bending, points		25

Strength to Weight: Axial, points		24
Strength to Weight: Axial, points		26 to 80

Strength to Weight: Bending, points		23
Strength to Weight: Bending, points		23 to 49

Thermal Diffusivity, mm²/s		9.5
Thermal Diffusivity, mm²/s		9.7

Thermal Shock Resistance, points		67
Thermal Shock Resistance, points		21 to 66

Alloy Composition

Carbon (C), %		0 to 0.050
Carbon (C), %		0.78 to 0.88

Chromium (Cr), %		0 to 0.2
Chromium (Cr), %		3.8 to 4.5

Copper (Cu), %		0
Copper (Cu), %		0 to 0.25

Hafnium (Hf), %		0 to 4.5
Hafnium (Hf), %		0

Hydrogen (H), %		0 to 0.0050
Hydrogen (H), %		0

Iron (Fe), %		0 to 0.2
Iron (Fe), %		87 to 90.4

Manganese (Mn), %		0
Manganese (Mn), %		0.15 to 0.45

Molybdenum (Mo), %		0
Molybdenum (Mo), %		3.9 to 4.8

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.3

Niobium (Nb), %		2.0 to 3.0
Niobium (Nb), %		0

Nitrogen (N), %		0 to 0.025
Nitrogen (N), %		0

Oxygen (O), %		0 to 0.16
Oxygen (O), %		0

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.030

Silicon (Si), %		0
Silicon (Si), %		0.2 to 0.6

Sulfur (S), %		0
Sulfur (S), %		0 to 0.030

Vanadium (V), %		0
Vanadium (V), %		0.8 to 1.3

Zirconium (Zr), %		91 to 98
Zirconium (Zr), %		0