Nickel 890 vs. Grade 250 Maraging Steel

Nickel 890 belongs to the nickel alloys classification, while grade 250 maraging steel belongs to the iron alloys. They have 46% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is nickel 890 and the bottom bar is grade 250 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		200
Elastic (Young's, Tensile) Modulus, GPa		190

Elongation at Break, %		39
Elongation at Break, %		7.3 to 17

Poisson's Ratio		0.28
Poisson's Ratio		0.3

Shear Modulus, GPa		78
Shear Modulus, GPa		75

Shear Strength, MPa		400
Shear Strength, MPa		600 to 1060

Tensile Strength: Ultimate (UTS), MPa		590
Tensile Strength: Ultimate (UTS), MPa		970 to 1800

Tensile Strength: Yield (Proof), MPa		230
Tensile Strength: Yield (Proof), MPa		660 to 1740

Thermal Properties

Latent Heat of Fusion, J/g		330
Latent Heat of Fusion, J/g		270

Melting Completion (Liquidus), °C		1390
Melting Completion (Liquidus), °C		1480

Melting Onset (Solidus), °C		1340
Melting Onset (Solidus), °C		1430

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		450

Thermal Expansion, µm/m-K		14
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Base Metal Price, % relative		47
Base Metal Price, % relative		32

Density, g/cm³		8.1
Density, g/cm³		8.2

Embodied Carbon, kg CO₂/kg material		8.2
Embodied Carbon, kg CO₂/kg material		4.9

Embodied Energy, MJ/kg		120
Embodied Energy, MJ/kg		65

Embodied Water, L/kg		250
Embodied Water, L/kg		140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		180
Resilience: Ultimate (Unit Rupture Work), MJ/m³		130 to 150

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

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

Strength to Weight: Axial, points		20
Strength to Weight: Axial, points		33 to 61

Strength to Weight: Bending, points		19
Strength to Weight: Bending, points		26 to 40

Thermal Shock Resistance, points		15
Thermal Shock Resistance, points		29 to 54

Alloy Composition

Aluminum (Al), %		0.050 to 0.6
Aluminum (Al), %		0.050 to 0.15

Boron (B), %		0
Boron (B), %		0 to 0.0030

Calcium (Ca), %		0
Calcium (Ca), %		0 to 0.050

Carbon (C), %		0.060 to 0.14
Carbon (C), %		0 to 0.030

Chromium (Cr), %		23.5 to 28.5
Chromium (Cr), %		0

Cobalt (Co), %		0
Cobalt (Co), %		7.0 to 8.5

Copper (Cu), %		0 to 0.75
Copper (Cu), %		0

Iron (Fe), %		17.3 to 33.9
Iron (Fe), %		66.3 to 71.1

Manganese (Mn), %		0 to 1.5
Manganese (Mn), %		0 to 0.1

Molybdenum (Mo), %		1.0 to 2.0
Molybdenum (Mo), %		4.6 to 5.2

Nickel (Ni), %		40 to 45
Nickel (Ni), %		17 to 19

Niobium (Nb), %		0.2 to 1.0
Niobium (Nb), %		0

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.010

Silicon (Si), %		1.0 to 2.0
Silicon (Si), %		0 to 0.1

Sulfur (S), %		0 to 0.015
Sulfur (S), %		0 to 0.010

Tantalum (Ta), %		0.1 to 0.6
Tantalum (Ta), %		0

Titanium (Ti), %		0.15 to 0.6
Titanium (Ti), %		0.3 to 0.5

Zirconium (Zr), %		0
Zirconium (Zr), %		0 to 0.020