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AWS E349 vs. Grade 350 Maraging Steel

Both AWS E349 and grade 350 maraging steel are iron alloys. They have 73% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS E349 and the bottom bar is grade 350 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
4.1 to 18
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 78
75
Tensile Strength: Ultimate (UTS), MPa 770
1140 to 2420

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Melting Completion (Liquidus), °C 1470
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
450
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
39
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 4.9
5.6
Embodied Energy, MJ/kg 72
74
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 24
16
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 27
38 to 82
Strength to Weight: Bending, points 24
29 to 49
Thermal Shock Resistance, points 20
35 to 74

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 0.13
0 to 0.030
Chromium (Cr), % 18 to 21
0
Cobalt (Co), % 0
11.5 to 12.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 60.5 to 71.1
61.2 to 64.6
Manganese (Mn), % 0.5 to 2.5
0 to 0.1
Molybdenum (Mo), % 0.35 to 0.65
4.6 to 5.2
Nickel (Ni), % 8.0 to 10
18 to 19
Niobium (Nb), % 0.75 to 1.2
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 to 0.15
1.3 to 1.6
Tungsten (W), % 1.3 to 1.8
0
Vanadium (V), % 0.1 to 0.3
0
Zirconium (Zr), % 0
0 to 0.020