S40977 Stainless Steel vs. R60804 Alloy

S40977 stainless steel belongs to the iron alloys classification, while R60804 alloy belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is S40977 stainless steel and the bottom bar is R60804 alloy.

UNS S40977 Stainless Steel UNS R60804 Zirconium-Tin Alloy

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		21
Elongation at Break, %		22

Poisson's Ratio		0.28
Poisson's Ratio		0.34

Shear Modulus, GPa		76
Shear Modulus, GPa		36

Tensile Strength: Ultimate (UTS), MPa		510
Tensile Strength: Ultimate (UTS), MPa		430

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

Thermal Properties

Latent Heat of Fusion, J/g		270
Latent Heat of Fusion, J/g		250

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		270

Thermal Conductivity, W/m-K		25
Thermal Conductivity, W/m-K		22

Thermal Expansion, µm/m-K		10
Thermal Expansion, µm/m-K		6.0

Otherwise Unclassified Properties

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

Embodied Water, L/kg		97
Embodied Water, L/kg		290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		92
Resilience: Ultimate (Unit Rupture Work), MJ/m³		85

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

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

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

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

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

Thermal Diffusivity, mm²/s		6.7
Thermal Diffusivity, mm²/s		12

Thermal Shock Resistance, points		18
Thermal Shock Resistance, points		53

Alloy Composition

Carbon (C), %		0 to 0.030
Carbon (C), %		0

Chromium (Cr), %		10.5 to 12.5
Chromium (Cr), %		0.070 to 0.13

Iron (Fe), %		83.9 to 89.2
Iron (Fe), %		0.18 to 0.24

Manganese (Mn), %		0 to 1.5
Manganese (Mn), %		0

Nickel (Ni), %		0.3 to 1.0
Nickel (Ni), %		0

Nitrogen (N), %		0 to 0.030
Nitrogen (N), %		0

Phosphorus (P), %		0 to 0.040
Phosphorus (P), %		0

Silicon (Si), %		0 to 1.0
Silicon (Si), %		0

Sulfur (S), %		0 to 0.015
Sulfur (S), %		0

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

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

Residuals, %		0
Residuals, %		0 to 0.12