EN 1.7220 Steel vs. Grade CX2M Nickel

EN 1.7220 steel belongs to the iron alloys classification, while grade CX2M nickel belongs to the nickel alloys. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.7220 steel and the bottom bar is grade CX2M nickel.

EN 1.7220 (34CrMo4) Chromium-Molybdenum Steel Grade CX2M (N26059) Cast Nickel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		220

Poisson's Ratio		0.29
Poisson's Ratio		0.29

Shear Modulus, GPa		73
Shear Modulus, GPa		84

Tensile Strength: Ultimate (UTS), MPa		520 to 1720
Tensile Strength: Ultimate (UTS), MPa		550

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		330

Maximum Temperature: Mechanical, °C		420
Maximum Temperature: Mechanical, °C		990

Melting Completion (Liquidus), °C		1460
Melting Completion (Liquidus), °C		1500

Melting Onset (Solidus), °C		1420
Melting Onset (Solidus), °C		1450

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		430

Thermal Conductivity, W/m-K		44
Thermal Conductivity, W/m-K		10

Thermal Expansion, µm/m-K		13
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Base Metal Price, % relative		2.5
Base Metal Price, % relative		65

Density, g/cm³		7.8
Density, g/cm³		8.7

Embodied Carbon, kg CO₂/kg material		1.5
Embodied Carbon, kg CO₂/kg material		12

Embodied Energy, MJ/kg		20
Embodied Energy, MJ/kg		160

Embodied Water, L/kg		51
Embodied Water, L/kg		310

Common Calculations

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

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

Strength to Weight: Axial, points		18 to 61
Strength to Weight: Axial, points		18

Strength to Weight: Bending, points		18 to 41
Strength to Weight: Bending, points		17

Thermal Diffusivity, mm²/s		12
Thermal Diffusivity, mm²/s		2.7

Thermal Shock Resistance, points		15 to 50
Thermal Shock Resistance, points		15

Alloy Composition

Carbon (C), %		0.3 to 0.37
Carbon (C), %		0 to 0.020

Chromium (Cr), %		0.9 to 1.2
Chromium (Cr), %		22 to 24

Iron (Fe), %		96.8 to 98.1
Iron (Fe), %		0 to 1.5

Manganese (Mn), %		0.6 to 0.9
Manganese (Mn), %		0 to 1.0

Molybdenum (Mo), %		0.15 to 0.3
Molybdenum (Mo), %		15 to 16.5

Nickel (Ni), %		0
Nickel (Ni), %		56.4 to 63

Phosphorus (P), %		0 to 0.035
Phosphorus (P), %		0 to 0.020

Silicon (Si), %		0 to 0.4
Silicon (Si), %		0 to 0.5

Sulfur (S), %		0 to 0.035
Sulfur (S), %		0 to 0.020