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Grade 250 Maraging Steel vs. Nickel 825

Grade 250 maraging steel belongs to the iron alloys classification, while nickel 825 belongs to the nickel alloys. They have 52% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade 250 maraging steel and the bottom bar is nickel 825.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 7.3 to 17
34
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 75
78
Shear Strength, MPa 600 to 1060
430
Tensile Strength: Ultimate (UTS), MPa 970 to 1800
650
Tensile Strength: Yield (Proof), MPa 660 to 1740
260

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1480
1400
Melting Onset (Solidus), °C 1430
1370
Specific Heat Capacity, J/kg-K 450
460
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 32
41
Density, g/cm3 8.2
8.2
Embodied Carbon, kg CO2/kg material 4.9
7.2
Embodied Energy, MJ/kg 65
100
Embodied Water, L/kg 140
230

Common Calculations

PREN (Pitting Resistance) 16
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 150
180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 33 to 61
22
Strength to Weight: Bending, points 26 to 40
20
Thermal Shock Resistance, points 29 to 54
17

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
0 to 0.2
Boron (B), % 0 to 0.0030
0
Calcium (Ca), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 0
19.5 to 23.5
Cobalt (Co), % 7.0 to 8.5
0
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 66.3 to 71.1
22 to 37.9
Manganese (Mn), % 0 to 0.1
0 to 1.0
Molybdenum (Mo), % 4.6 to 5.2
2.5 to 3.5
Nickel (Ni), % 17 to 19
38 to 46
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0 to 0.050
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.3 to 0.5
0.6 to 1.2
Zirconium (Zr), % 0 to 0.020
0