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Nickel 625 vs. Grade 200 Maraging Steel

Nickel 625 belongs to the nickel alloys classification, while grade 200 maraging steel belongs to the iron alloys. They have a modest 25% of their average alloy composition in common, which, by itself, doesn't mean much. 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 nickel 625 and the bottom bar is grade 200 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 33 to 34
9.1 to 18
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 79
74
Shear Strength, MPa 530 to 600
600 to 890
Tensile Strength: Ultimate (UTS), MPa 790 to 910
970 to 1500
Tensile Strength: Yield (Proof), MPa 320 to 450
690 to 1490

Thermal Properties

Latent Heat of Fusion, J/g 330
260
Melting Completion (Liquidus), °C 1350
1460
Melting Onset (Solidus), °C 1290
1420
Specific Heat Capacity, J/kg-K 440
460
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 80
31
Density, g/cm3 8.6
8.2
Embodied Carbon, kg CO2/kg material 14
4.5
Embodied Energy, MJ/kg 190
59
Embodied Water, L/kg 290
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
1240 to 5740
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 26 to 29
33 to 51
Strength to Weight: Bending, points 22 to 24
27 to 35
Thermal Shock Resistance, points 22 to 25
29 to 45

Alloy Composition

Aluminum (Al), % 0 to 0.4
0.050 to 0.15
Boron (B), % 0
0 to 0.0030
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 20 to 23
0
Cobalt (Co), % 0 to 1.0
8.0 to 9.0
Iron (Fe), % 0 to 5.0
67.8 to 71.8
Manganese (Mn), % 0 to 0.5
0 to 0.1
Molybdenum (Mo), % 8.0 to 10
3.0 to 3.5
Nickel (Ni), % 58 to 68.9
17 to 19
Niobium (Nb), % 3.2 to 4.2
0
Phosphorus (P), % 0 to 0.015
0 to 0.010
Silicon (Si), % 0 to 0.5
0 to 0.1
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0 to 0.4
0.15 to 0.25
Zirconium (Zr), % 0
0 to 0.020

Comparable Variants