K93603 Alloy vs. EN 1.1121 Steel

Both K93603 alloy and EN 1.1121 steel are iron alloys. They have 63% of their average alloy composition in common. There are 19 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 K93603 alloy and the bottom bar is EN 1.1121 steel.

UNS K93603 Low Expansion Alloy EN 1.1121 (C10E) Non-Alloy Steel

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.3
Poisson's Ratio		0.29

Shear Modulus, GPa		72
Shear Modulus, GPa		73

Tensile Strength: Ultimate (UTS), MPa		490 to 810
Tensile Strength: Ultimate (UTS), MPa		400

Thermal Properties

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

Melting Completion (Liquidus), °C		1430
Melting Completion (Liquidus), °C		1460

Melting Onset (Solidus), °C		1380
Melting Onset (Solidus), °C		1420

Specific Heat Capacity, J/kg-K		460
Specific Heat Capacity, J/kg-K		470

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

Otherwise Unclassified Properties

Base Metal Price, % relative		25
Base Metal Price, % relative		1.8

Density, g/cm³		8.2
Density, g/cm³		7.8

Embodied Carbon, kg CO₂/kg material		4.8
Embodied Carbon, kg CO₂/kg material		1.4

Embodied Energy, MJ/kg		66
Embodied Energy, MJ/kg		18

Embodied Water, L/kg		120
Embodied Water, L/kg		45

Common Calculations

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

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

Strength to Weight: Axial, points		17 to 27
Strength to Weight: Axial, points		14

Strength to Weight: Bending, points		17 to 24
Strength to Weight: Bending, points		15

Thermal Shock Resistance, points		15 to 25
Thermal Shock Resistance, points		13

Alloy Composition

Aluminum (Al), %		0 to 0.1
Aluminum (Al), %		0

Carbon (C), %		0 to 0.050
Carbon (C), %		0.070 to 0.13

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

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

Iron (Fe), %		61.8 to 64
Iron (Fe), %		98.8 to 99.63

Magnesium (Mg), %		0 to 0.1
Magnesium (Mg), %		0

Manganese (Mn), %		0 to 0.6
Manganese (Mn), %		0.3 to 0.6

Nickel (Ni), %		36
Nickel (Ni), %		0

Phosphorus (P), %		0 to 0.015
Phosphorus (P), %		0 to 0.035

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

Sulfur (S), %		0 to 0.015
Sulfur (S), %		0 to 0.035

Titanium (Ti), %		0 to 0.1
Titanium (Ti), %		0

Zirconium (Zr), %		0 to 0.1
Zirconium (Zr), %		0