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Grade 200 Maraging Steel vs. AWS ENiCrFe-2

Grade 200 maraging steel belongs to the iron alloys classification, while AWS ENiCrFe-2 belongs to the nickel alloys. They have a modest 26% of their average alloy composition in common, which, by itself, doesn't mean much. There are 20 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade 200 maraging steel and the bottom bar is AWS ENiCrFe-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 9.1 to 18
28
Poisson's Ratio 0.3
0.3
Shear Modulus, GPa 74
74
Tensile Strength: Ultimate (UTS), MPa 970 to 1500
790

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 460
450
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 31
65
Density, g/cm3 8.2
8.5
Embodied Carbon, kg CO2/kg material 4.5
11
Embodied Energy, MJ/kg 59
160
Embodied Water, L/kg 140
260

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 33 to 51
26
Strength to Weight: Bending, points 27 to 35
22
Thermal Shock Resistance, points 29 to 45
24

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 0.1
Chromium (Cr), % 0
13 to 17
Cobalt (Co), % 8.0 to 9.0
0 to 0.12
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 67.8 to 71.8
0 to 12
Manganese (Mn), % 0 to 0.1
1.0 to 3.5
Molybdenum (Mo), % 3.0 to 3.5
0.5 to 2.5
Nickel (Ni), % 17 to 19
62 to 85
Niobium (Nb), % 0
0.5 to 4.0
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.020
Titanium (Ti), % 0.15 to 0.25
0
Zirconium (Zr), % 0 to 0.020
0
Residuals, % 0
0 to 0.5