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Grade 350 Maraging Steel vs. AWS E630

Both grade 350 maraging steel and AWS E630 are iron alloys. They have 68% 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 grade 350 maraging steel and the bottom bar is AWS E630.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 4.1 to 18
8.0
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 1140 to 2420
1040

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1470
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 39
14
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 5.6
2.8
Embodied Energy, MJ/kg 74
40
Embodied Water, L/kg 160
140

Common Calculations

PREN (Pitting Resistance) 16
18
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 38 to 82
37
Strength to Weight: Bending, points 29 to 49
29
Thermal Shock Resistance, points 35 to 74
28

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 0.050
Chromium (Cr), % 0
16 to 16.8
Cobalt (Co), % 11.5 to 12.5
0
Copper (Cu), % 0
3.3 to 4.0
Iron (Fe), % 61.2 to 64.6
71.6 to 75.9
Manganese (Mn), % 0 to 0.1
0.25 to 0.75
Molybdenum (Mo), % 4.6 to 5.2
0 to 0.75
Nickel (Ni), % 18 to 19
4.5 to 5.0
Niobium (Nb), % 0
0.15 to 0.3
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 0.75
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