S32615 Stainless Steel vs. K93050 Alloy

Both S32615 stainless steel and K93050 alloy are iron alloys. They have 74% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is S32615 stainless steel and the bottom bar is K93050 alloy.

UNS S32615 Stainless Steel UNS K93050 Low Expansion Alloy

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.28
Poisson's Ratio		0.3

Shear Modulus, GPa		75
Shear Modulus, GPa		72

Tensile Strength: Ultimate (UTS), MPa		620
Tensile Strength: Ultimate (UTS), MPa		500 to 680

Thermal Properties

Latent Heat of Fusion, J/g		370
Latent Heat of Fusion, J/g		270

Melting Completion (Liquidus), °C		1350
Melting Completion (Liquidus), °C		1430

Melting Onset (Solidus), °C		1310
Melting Onset (Solidus), °C		1380

Specific Heat Capacity, J/kg-K		500
Specific Heat Capacity, J/kg-K		460

Thermal Expansion, µm/m-K		15
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Base Metal Price, % relative		24
Base Metal Price, % relative		26

Density, g/cm³		7.6
Density, g/cm³		8.2

Embodied Carbon, kg CO₂/kg material		4.4
Embodied Carbon, kg CO₂/kg material		4.7

Embodied Energy, MJ/kg		63
Embodied Energy, MJ/kg		65

Embodied Water, L/kg		170
Embodied Water, L/kg		120

Common Calculations

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		13

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

Strength to Weight: Axial, points		23
Strength to Weight: Axial, points		17 to 23

Strength to Weight: Bending, points		21
Strength to Weight: Bending, points		17 to 21

Thermal Shock Resistance, points		15
Thermal Shock Resistance, points		16 to 21

Alloy Composition

Carbon (C), %		0 to 0.070
Carbon (C), %		0 to 0.15

Chromium (Cr), %		16.5 to 19.5
Chromium (Cr), %		0 to 0.25

Cobalt (Co), %		0
Cobalt (Co), %		0 to 0.5

Copper (Cu), %		1.5 to 2.5
Copper (Cu), %		0

Iron (Fe), %		46.4 to 57.9
Iron (Fe), %		61.4 to 63.9

Manganese (Mn), %		0 to 2.0
Manganese (Mn), %		0 to 1.0

Molybdenum (Mo), %		0.3 to 1.5
Molybdenum (Mo), %		0

Nickel (Ni), %		19 to 22
Nickel (Ni), %		36

Phosphorus (P), %		0 to 0.045
Phosphorus (P), %		0 to 0.020

Selenium (Se), %		0
Selenium (Se), %		0.15 to 0.3

Silicon (Si), %		4.8 to 6.0
Silicon (Si), %		0 to 0.35

Sulfur (S), %		0 to 0.030
Sulfur (S), %		0 to 0.020