EN 1.6522 Steel vs. R60704 Alloy

EN 1.6522 steel belongs to the iron alloys classification, while R60704 alloy belongs to the otherwise unclassified metals. There are 16 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 1.6522 steel and the bottom bar is R60704 alloy.

EN 1.6522 (20MnNiCrMo3-2) Case-Hardening Bearing Steel UNS R60704 Zirconium-Tin Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		97

Poisson's Ratio		0.29
Poisson's Ratio		0.34

Shear Modulus, GPa		73
Shear Modulus, GPa		36

Tensile Strength: Ultimate (UTS), MPa		500 to 1460
Tensile Strength: Ultimate (UTS), MPa		470

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		240

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

Thermal Conductivity, W/m-K		39
Thermal Conductivity, W/m-K		22

Thermal Expansion, µm/m-K		13
Thermal Expansion, µm/m-K		6.0

Otherwise Unclassified Properties

Density, g/cm³		7.8
Density, g/cm³		6.7

Embodied Water, L/kg		51
Embodied Water, L/kg		460

Common Calculations

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		8.1

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		23

Strength to Weight: Axial, points		18 to 52
Strength to Weight: Axial, points		20

Strength to Weight: Bending, points		18 to 36
Strength to Weight: Bending, points		20

Thermal Diffusivity, mm²/s		10
Thermal Diffusivity, mm²/s		12

Thermal Shock Resistance, points		15 to 43
Thermal Shock Resistance, points		58

Alloy Composition

Aluminum (Al), %		0 to 0.050
Aluminum (Al), %		0

Carbon (C), %		0.17 to 0.23
Carbon (C), %		0 to 0.050

Chromium (Cr), %		0.35 to 0.7
Chromium (Cr), %		0.2 to 0.4

Copper (Cu), %		0 to 0.3
Copper (Cu), %		0

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

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

Iron (Fe), %		96.6 to 98.5
Iron (Fe), %		0.2 to 0.4

Manganese (Mn), %		0.6 to 1.0
Manganese (Mn), %		0

Molybdenum (Mo), %		0.15 to 0.25
Molybdenum (Mo), %		0

Nickel (Ni), %		0.4 to 0.7
Nickel (Ni), %		0

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

Oxygen (O), %		0 to 0.0020
Oxygen (O), %		0 to 0.18

Phosphorus (P), %		0 to 0.025
Phosphorus (P), %		0

Silicon (Si), %		0 to 0.4
Silicon (Si), %		0

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

Tin (Sn), %		0
Tin (Sn), %		1.0 to 2.0

Zirconium (Zr), %		0
Zirconium (Zr), %		93 to 98.8