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Grade 200 Maraging Steel vs. Nickel 690

Grade 200 maraging steel belongs to the iron alloys classification, while nickel 690 belongs to the nickel alloys. They have a modest 27% 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 grade 200 maraging steel and the bottom bar is nickel 690.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 9.1 to 18
3.4 to 34
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 74
79
Shear Strength, MPa 600 to 890
420 to 570
Tensile Strength: Ultimate (UTS), MPa 970 to 1500
640 to 990
Tensile Strength: Yield (Proof), MPa 690 to 1490
250 to 760

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 31
50
Density, g/cm3 8.2
8.3
Embodied Carbon, kg CO2/kg material 4.5
8.2
Embodied Energy, MJ/kg 59
120
Embodied Water, L/kg 140
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
31 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 1240 to 5740
160 to 1440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 33 to 51
21 to 33
Strength to Weight: Bending, points 27 to 35
20 to 27
Thermal Shock Resistance, points 29 to 45
16 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 0.050
Chromium (Cr), % 0
27 to 31
Cobalt (Co), % 8.0 to 9.0
0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 67.8 to 71.8
7.0 to 11
Manganese (Mn), % 0 to 0.1
0 to 0.5
Molybdenum (Mo), % 3.0 to 3.5
0
Nickel (Ni), % 17 to 19
58 to 66
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 0.015
Titanium (Ti), % 0.15 to 0.25
0
Zirconium (Zr), % 0 to 0.020
0

Comparable Variants