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Grade 350 Maraging Steel vs. AWS E320

Both grade 350 maraging steel and AWS E320 are iron alloys. They have 59% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade 350 maraging steel and the bottom bar is AWS E320.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.1 to 18
34
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 1140 to 2420
620

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1470
1410
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 450
460
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 39
38
Density, g/cm3 8.2
8.2
Embodied Carbon, kg CO2/kg material 5.6
6.5
Embodied Energy, MJ/kg 74
91
Embodied Water, L/kg 160
220

Common Calculations

PREN (Pitting Resistance) 16
28
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 38 to 82
21
Strength to Weight: Bending, points 29 to 49
20
Thermal Shock Resistance, points 35 to 74
16

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 0.070
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 11.5 to 12.5
0
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 61.2 to 64.6
31.8 to 43.5
Manganese (Mn), % 0 to 0.1
0.5 to 2.5
Molybdenum (Mo), % 4.6 to 5.2
2.0 to 3.0
Nickel (Ni), % 18 to 19
32 to 36
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 1.3 to 1.6
0
Zirconium (Zr), % 0 to 0.020
0