R60704 Alloy vs. SAE-AISI H23 Steel

R60704 alloy belongs to the otherwise unclassified metals classification, while SAE-AISI H23 steel belongs to the iron alloys. There are 16 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 R60704 alloy and the bottom bar is SAE-AISI H23 steel.

UNS R60704 Zirconium-Tin Alloy SAE-AISI H23 (T20823) Tungsten Hot-Work Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		97
Elastic (Young's, Tensile) Modulus, GPa		200

Poisson's Ratio		0.34
Poisson's Ratio		0.28

Shear Modulus, GPa		36
Shear Modulus, GPa		80

Tensile Strength: Ultimate (UTS), MPa		470
Tensile Strength: Ultimate (UTS), MPa		760 to 1550

Thermal Properties

Latent Heat of Fusion, J/g		240
Latent Heat of Fusion, J/g		260

Specific Heat Capacity, J/kg-K		270
Specific Heat Capacity, J/kg-K		440

Thermal Conductivity, W/m-K		22
Thermal Conductivity, W/m-K		20

Thermal Expansion, µm/m-K		6.0
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Density, g/cm³		6.7
Density, g/cm³		8.7

Embodied Water, L/kg		460
Embodied Water, L/kg		120

Common Calculations

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

Stiffness to Weight: Bending, points		23
Stiffness to Weight: Bending, points		22

Strength to Weight: Axial, points		20
Strength to Weight: Axial, points		24 to 49

Strength to Weight: Bending, points		20
Strength to Weight: Bending, points		21 to 34

Thermal Diffusivity, mm²/s		12
Thermal Diffusivity, mm²/s		5.2

Thermal Shock Resistance, points		58
Thermal Shock Resistance, points		23 to 47

Alloy Composition

Carbon (C), %		0 to 0.050
Carbon (C), %		0.25 to 0.35

Chromium (Cr), %		0.2 to 0.4
Chromium (Cr), %		11 to 12.8

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), %		0.2 to 0.4
Iron (Fe), %		71.3 to 76.7

Manganese (Mn), %		0
Manganese (Mn), %		0.15 to 0.4

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

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

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

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

Silicon (Si), %		0
Silicon (Si), %		0.15 to 0.6

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

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

Tungsten (W), %		0
Tungsten (W), %		11 to 12.8

Vanadium (V), %		0
Vanadium (V), %		0.75 to 1.3

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