R60802 Alloy vs. ASTM A387 Grade 12 Steel

R60802 alloy belongs to the otherwise unclassified metals classification, while ASTM A387 grade 12 steel belongs to the iron alloys. There are 20 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 R60802 alloy and the bottom bar is ASTM A387 grade 12 steel.

UNS R60802 Zirconium-Tin Alloy ASTM A387 Grade 12 (K11757) 1Cr-0.5Mo Steel

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		22
Elongation at Break, %		25

Poisson's Ratio		0.34
Poisson's Ratio		0.29

Shear Modulus, GPa		36
Shear Modulus, GPa		73

Tensile Strength: Ultimate (UTS), MPa		430
Tensile Strength: Ultimate (UTS), MPa		470 to 520

Tensile Strength: Yield (Proof), MPa		270
Tensile Strength: Yield (Proof), MPa		260 to 310

Thermal Properties

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

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

Thermal Conductivity, W/m-K		22
Thermal Conductivity, W/m-K		44

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

Otherwise Unclassified Properties

Density, g/cm³		6.5
Density, g/cm³		7.8

Embodied Water, L/kg		290
Embodied Water, L/kg		51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		85
Resilience: Ultimate (Unit Rupture Work), MJ/m³		98 to 110

Resilience: Unit (Modulus of Resilience), kJ/m³		380
Resilience: Unit (Modulus of Resilience), kJ/m³		180 to 250

Stiffness to Weight: Axial, points		8.3
Stiffness to Weight: Axial, points		13

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

Strength to Weight: Axial, points		18
Strength to Weight: Axial, points		16 to 18

Strength to Weight: Bending, points		19
Strength to Weight: Bending, points		17 to 18

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

Thermal Shock Resistance, points		53
Thermal Shock Resistance, points		14 to 15

Alloy Composition

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

Chromium (Cr), %		0.050 to 0.15
Chromium (Cr), %		0.8 to 1.2

Iron (Fe), %		0.070 to 0.2
Iron (Fe), %		97 to 98.2

Manganese (Mn), %		0
Manganese (Mn), %		0.4 to 0.65

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0.45 to 0.6

Nickel (Ni), %		0.030 to 0.080
Nickel (Ni), %		0

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

Silicon (Si), %		0
Silicon (Si), %		0.15 to 0.4

Sulfur (S), %		0
Sulfur (S), %		0 to 0.025

Tin (Sn), %		1.2 to 1.7
Tin (Sn), %		0

Zirconium (Zr), %		97.8 to 98.7
Zirconium (Zr), %		0

Residuals, %		0 to 0.11
Residuals, %		0