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AWS ERNiFeCr-2 vs. Grade 200 Maraging Steel

AWS ERNiFeCr-2 belongs to the nickel alloys classification, while grade 200 maraging steel belongs to the iron alloys. They have a modest 40% 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 (11, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 28
9.1 to 18
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 75
74
Tensile Strength: Ultimate (UTS), MPa 1300
970 to 1500

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 450
460
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 75
31
Density, g/cm3 8.3
8.2
Embodied Carbon, kg CO2/kg material 13
4.5
Embodied Energy, MJ/kg 190
59
Embodied Water, L/kg 250
140

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 43
33 to 51
Strength to Weight: Bending, points 32
27 to 35
Thermal Shock Resistance, points 38
29 to 45

Alloy Composition

Aluminum (Al), % 0.2 to 0.8
0.050 to 0.15
Boron (B), % 0 to 0.0030
0 to 0.0030
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 17 to 21
0
Cobalt (Co), % 0
8.0 to 9.0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 11.6 to 24.6
67.8 to 71.8
Manganese (Mn), % 0 to 0.35
0 to 0.1
Molybdenum (Mo), % 2.8 to 3.3
3.0 to 3.5
Nickel (Ni), % 50 to 55
17 to 19
Niobium (Nb), % 4.8 to 5.5
0
Phosphorus (P), % 0 to 0.015
0 to 0.010
Silicon (Si), % 0 to 0.35
0 to 0.1
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0.65 to 1.2
0.15 to 0.25
Zirconium (Zr), % 0
0 to 0.020
Residuals, % 0 to 0.5
0