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AWS E240 vs. Grade 200 Maraging Steel

Both AWS E240 and grade 200 maraging steel are iron alloys. They have 69% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS E240 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, % 17
9.1 to 18
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 770
970 to 1500

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 14
31
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 3.0
4.5
Embodied Energy, MJ/kg 42
59
Embodied Water, L/kg 160
140

Common Calculations

PREN (Pitting Resistance) 22
11
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 28
33 to 51
Strength to Weight: Bending, points 24
27 to 35
Thermal Shock Resistance, points 19
29 to 45

Alloy Composition

Aluminum (Al), % 0
0.050 to 0.15
Boron (B), % 0
0 to 0.0030
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 17 to 19
0
Cobalt (Co), % 0
8.0 to 9.0
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 58.6 to 68.4
67.8 to 71.8
Manganese (Mn), % 10.5 to 13.5
0 to 0.1
Molybdenum (Mo), % 0 to 0.75
3.0 to 3.5
Nickel (Ni), % 4.0 to 6.0
17 to 19
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.15 to 0.25
Zirconium (Zr), % 0
0 to 0.020