R60804 Alloy vs. S31277 Stainless Steel

R60804 alloy belongs to the otherwise unclassified metals classification, while S31277 stainless steel belongs to the iron alloys. There are 18 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 R60804 alloy and the bottom bar is S31277 stainless steel.

UNS R60804 Zirconium-Tin Alloy UNS S31277 (27-7Mo) Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		98
Elastic (Young's, Tensile) Modulus, GPa		210

Elongation at Break, %		22
Elongation at Break, %		45

Poisson's Ratio		0.34
Poisson's Ratio		0.28

Shear Modulus, GPa		36
Shear Modulus, GPa		80

Tensile Strength: Ultimate (UTS), MPa		430
Tensile Strength: Ultimate (UTS), MPa		860

Tensile Strength: Yield (Proof), MPa		270
Tensile Strength: Yield (Proof), MPa		410

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		310

Specific Heat Capacity, J/kg-K		270
Specific Heat Capacity, J/kg-K		460

Thermal Expansion, µm/m-K		6.0
Thermal Expansion, µm/m-K		16

Otherwise Unclassified Properties

Density, g/cm³		6.5
Density, g/cm³		8.1

Embodied Water, L/kg		290
Embodied Water, L/kg		220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		85
Resilience: Ultimate (Unit Rupture Work), MJ/m³		320

Resilience: Unit (Modulus of Resilience), kJ/m³		380
Resilience: Unit (Modulus of Resilience), kJ/m³		410

Stiffness to Weight: Axial, points		8.3
Stiffness to Weight: Axial, points		14

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

Strength to Weight: Axial, points		18
Strength to Weight: Axial, points		29

Strength to Weight: Bending, points		19
Strength to Weight: Bending, points		25

Thermal Shock Resistance, points		53
Thermal Shock Resistance, points		19

Alloy Composition

Carbon (C), %		0
Carbon (C), %		0 to 0.020

Chromium (Cr), %		0.070 to 0.13
Chromium (Cr), %		20.5 to 23

Copper (Cu), %		0
Copper (Cu), %		0.5 to 1.5

Iron (Fe), %		0.18 to 0.24
Iron (Fe), %		35.5 to 46.2

Manganese (Mn), %		0
Manganese (Mn), %		0 to 3.0

Molybdenum (Mo), %		0
Molybdenum (Mo), %		6.5 to 8.0

Nickel (Ni), %		0
Nickel (Ni), %		26 to 28

Nitrogen (N), %		0
Nitrogen (N), %		0.3 to 0.4

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

Silicon (Si), %		0
Silicon (Si), %		0 to 0.5

Sulfur (S), %		0
Sulfur (S), %		0 to 0.010

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

Zirconium (Zr), %		97.8 to 98.6
Zirconium (Zr), %		0

Residuals, %		0 to 0.12
Residuals, %		0