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Grade 250 Maraging Steel vs. Monel 400

Grade 250 maraging steel belongs to the iron alloys classification, while Monel 400 belongs to the nickel alloys. There are 23 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 grade 250 maraging steel and the bottom bar is Monel 400.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
160
Elongation at Break, % 7.3 to 17
20 to 40
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 75
62
Shear Strength, MPa 600 to 1060
370 to 490
Tensile Strength: Ultimate (UTS), MPa 970 to 1800
540 to 780
Tensile Strength: Yield (Proof), MPa 660 to 1740
210 to 590

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1480
1350
Melting Onset (Solidus), °C 1430
1300
Specific Heat Capacity, J/kg-K 450
430
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 32
50
Density, g/cm3 8.2
8.9
Embodied Carbon, kg CO2/kg material 4.9
7.9
Embodied Energy, MJ/kg 65
110
Embodied Water, L/kg 140
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 150
140 to 180
Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 23
21
Strength to Weight: Axial, points 33 to 61
17 to 25
Strength to Weight: Bending, points 26 to 40
17 to 21
Thermal Shock Resistance, points 29 to 54
17 to 25

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
0
Boron (B), % 0 to 0.0030
0
Calcium (Ca), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0 to 0.3
Cobalt (Co), % 7.0 to 8.5
0
Copper (Cu), % 0
28 to 34
Iron (Fe), % 66.3 to 71.1
0 to 2.5
Manganese (Mn), % 0 to 0.1
0 to 2.0
Molybdenum (Mo), % 4.6 to 5.2
0
Nickel (Ni), % 17 to 19
63 to 72
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.024
Titanium (Ti), % 0.3 to 0.5
0
Zirconium (Zr), % 0 to 0.020
0

Comparable Variants