EN 1.4740 Stainless Steel vs. Monel 400

EN 1.4740 stainless steel belongs to the iron alloys classification, while Monel 400 belongs to the nickel alloys. There are 21 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 EN 1.4740 stainless steel and the bottom bar is Monel 400.

EN 1.4740 (GX40CrSi17) Cast Stainless Steel Monel 400 (NiCu30Fe, 2.4360, N04400, NA13)

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		200
Elastic (Young's, Tensile) Modulus, GPa		160

Elongation at Break, %		22
Elongation at Break, %		20 to 40

Poisson's Ratio		0.28
Poisson's Ratio		0.32

Shear Modulus, GPa		77
Shear Modulus, GPa		62

Thermal Properties

Latent Heat of Fusion, J/g		300
Latent Heat of Fusion, J/g		270

Maximum Temperature: Mechanical, °C		900
Maximum Temperature: Mechanical, °C		1000

Melting Completion (Liquidus), °C		1420
Melting Completion (Liquidus), °C		1350

Melting Onset (Solidus), °C		1370
Melting Onset (Solidus), °C		1300

Specific Heat Capacity, J/kg-K		490
Specific Heat Capacity, J/kg-K		430

Thermal Conductivity, W/m-K		18
Thermal Conductivity, W/m-K		23

Thermal Expansion, µm/m-K		10
Thermal Expansion, µm/m-K		14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		2.2
Electrical Conductivity: Equal Volume, % IACS		3.3

Electrical Conductivity: Equal Weight (Specific), % IACS		2.6
Electrical Conductivity: Equal Weight (Specific), % IACS		3.4

Otherwise Unclassified Properties

Base Metal Price, % relative		9.5
Base Metal Price, % relative		50

Density, g/cm³		7.6
Density, g/cm³		8.9

Embodied Carbon, kg CO₂/kg material		2.3
Embodied Carbon, kg CO₂/kg material		7.9

Embodied Energy, MJ/kg		32
Embodied Energy, MJ/kg		110

Embodied Water, L/kg		120
Embodied Water, L/kg		250

Common Calculations

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		10

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		21

Thermal Diffusivity, mm²/s		4.8
Thermal Diffusivity, mm²/s		6.1

Alloy Composition

Carbon (C), %		0.3 to 0.5
Carbon (C), %		0 to 0.3

Chromium (Cr), %		16 to 19
Chromium (Cr), %		0

Copper (Cu), %		0
Copper (Cu), %		28 to 34

Iron (Fe), %		75.4 to 82.7
Iron (Fe), %		0 to 2.5

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

Molybdenum (Mo), %		0 to 0.5
Molybdenum (Mo), %		0

Nickel (Ni), %		0 to 1.0
Nickel (Ni), %		63 to 72

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

Silicon (Si), %		1.0 to 2.5
Silicon (Si), %		0 to 0.5

Sulfur (S), %		0 to 0.030
Sulfur (S), %		0 to 0.024